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[ap 115 4adl xx ] 014011332 - e - 0 1 - 1 - 201 5 / 0 7 1. genaral description the ap115 4 ad lxx is a low dropout linear regulator with on /off control, which can supply 1 a load current. the ic is an integrated circuit with a silicon monolithic bipolar structure. the output voltage, trimme d with high accu racy, is available from 1. 8 to 5 .0v in 0.1v steps. the output capacitor is available to use a smal l 1 f ceramic capacitor . the ic can be used for usb application (500ma), since t he output limitation current can be set by external resistor. the over current, thermal and reverse bias protections are integrated, and also the package is high heat radiation type , hsop - 8 . the ic is designed for space saving requirements. 2. feature ? available to use a small 1 f ceramic capacitor ? d ropout v oltage v drop =1 6 0mv at 5 00ma ? output c urrent 1 a ? high p recision output voltage ? 1 .5% or ? 50mv ? high ripple rejection ratio 80db at 1khz ? wide operating voltage range 2. 4 v to 14 .0 v ? very low quiescent current i q = 320 ? a at i out =0m a ? programmable output current limitation by an external resistor ? o n/ o ff control ( high active) ? built - in short circuit protection , thermal shutdown ? built - in reverse bias over current protection ? available very low noise application ? sm a ll package hsop - 8 3. applic ation ? power supply for low voltage mpu and peripheral equipment ? digital av system ? any e lectronic e quipment ap 1 154adl xx 14v input / 1 a output ldo regulator
[ap 115 4adl xx ] 014011332 - e - 0 1 - 2 - 201 5 / 0 7 4. table of contents 1. genaral description ................................ ................................ ................................ ................................ .... 1 2. feature ................................ ................................ ................................ ................................ ......................... 1 3. application ................................ ................................ ................................ ................................ .................. 1 4. table of contents ................................ ................................ ................................ ................................ ........ 2 5. block diagram ................................ ................................ ................................ ................................ ............ 3 6. ordering information ................................ ................................ ................................ ................................ .. 3 7. pin configurations and functions ................................ ................................ ................................ ............... 4 pin configurations ................................ ................................ ................................ ................................ ...... 4 functions ................................ ................................ ................................ ................................ ..................... 4 8. absolute maximum rating ................................ ................................ ................................ ......................... 5 9. recommended operating conditions ................................ ................................ ................................ ......... 5 10. electrical characteristics ................................ ................................ ................................ ......................... 6 electrical characteristics of ta=tj=25 ? c ................................ ................................ ................................ .. 6 electrical characteristics of ta= - 40 ? c~85 ? c ................................ ................................ ............................. 7 11. description ................................ ................................ ................................ ................................ .............. 8 11.1 dc characteristics ................................ ................................ ................................ ............................... 8 11.2 on/off transient ................................ ................................ ................................ ............................. 16 11.3 line transient ................................ ................................ ................................ ................................ ..... 17 11.4 load transient ................................ ................................ ................................ ................................ .... 18 11.5 ripple rejection ................................ ................................ ................................ ................................ 20 11.6 output noise ................................ ................................ ................................ ................................ ...... 21 11.7 setting of output current limitation ................................ ................................ ................................ .... 22 11.8 stability ................................ ................................ ................................ ................................ .............. 24 11.9 operating region and power dissipation ................................ ................................ .......................... 25 11.10 operating region and power dissipation ................................ ................................ ...................... 26 12. definition of term ................................ ................................ ................................ ................................ .. 27 1 3. recommended external circuits ................................ ................................ ................................ ........... 28 14. package ................................ ................................ ................................ ................................ .................. 29 outline dimensions ................................ ................................ ................................ ................................ ... 29 15. revise history ................................ ................................ ................................ ................................ ....... 30 important notice ................................ ................................ ................................ ................................ ... 31
[ap 115 4adl xx ] 014011332 - e - 0 1 - 3 - 201 5 / 0 7 5. block diagram figure 1 . block diagram 6. o rdering information ap115 4 ad l xx ta = - 40 to 85c hsop - 8 ? output voltage code for product name, p lease check the below chart. please contact your authorized asahi kasei microdevices representative for voltage availability . ap115 4 ad l xx table 1 . standard voltage version , output volt age & voltage code xx v out xx v out xx v out 18 1.8 25 2.5 33 3.3 21 2.1 30 3.0 50 5.0 o utput voltage code vin v out v cont v in v cont c in =1.0 ? f gnd pcl c out =1.0 ? f v out v ref on/off control thermal & over current protection disconnect circuit
[ap 115 4adl xx ] 014011332 - e - 0 1 - 4 - 201 5 / 0 7 7. pin configurations and functions pin configuratio n function s pin no. pin description internal equivalent circuit description 3 pcl programmable current limit ation the output limitation current can be set by an external resistance (r pcl ). the r pcl is connected between the pcl terminal and gnd. if there is no need of setting a current limit, connect the pcl terminal to gnd. 2 vout output terminal connect a capacitor between the v out terminal and gn d as follows . vout 2.4v : capacitance 1f vout < 2.4v :capacitance 2.2 f 4 gnd - gnd terminal 6 vc ont on/off control terminal the on/off voltages are as follows: v cont 1.8v : o n v cont 0.35v : o ff pull - down resistance (500k) is built - in. 7 vin - input terminal connect a capacitor of 1.0 ? f or higher between the v in terminal and gnd. nc 1 2 3 4 5 6 7 8 v in v cont nc nc v out pcl gnd (top view) 300k ? 500k ? vout vin v b.g. pcl
[ap 115 4adl xx ] 014011332 - e - 0 1 - 5 - 201 5 / 0 7 8. absolute maximum rating parameter symbol m in m ax unit condition supply voltage vcc max - 0.4 16 v reverse bias vrev max - 0.4 6 v vout Q 2.0v - 0.4 1 0 v 2.1v Q vout pcl terminal voltage v pcl max - 0.4 5 v vcont terminal voltage vcont max - 0.4 16 v junction temperature tj - 150 ? c storage temperature range t stg - 55 150 ? c power dissipation p d - 24 00 mw when mounted on pcb ( note 1 ) note 1 . please derate 19 . 2 mw/ ? c above 25 ? c or more. thermal resistance ( ? ja ) = 5 2 ? c/w. warning : the maximum ratings are the absolute limitation values with the possibility of the ic breakage. when the operation exceeds this standard quality cannot be guaranteed. 9. recommended operating conditions parameter symbol m in t yp m ax unit condition operating temperature range t a - 40 - 85 ? c operating voltage range v op 2.4 - 14 v
[ap 115 4adl xx ] 014011332 - e - 0 1 - 6 - 201 5 / 0 7 10. electrical characteris tics electrical characteristics of ta= tj=25 ? the parameters with min or max values will be guaranteed at ta=tj=25 ? c. ( v in = vout (typ) +1v,vcont=1.8v, ta =tj =25 ? c , unless otherwise specified. ) parameter symbol condition m in t yp m ax unit output voltage vout iout = 5ma ( table 2 ) v line regulation linreg ?v=5v, iout=5ma - 5.0 0.0 5.0 mv load regulation loareg iout=5ma ~ 500ma - 25 - 25 mv iout=5ma ~ 1000ma - 45 - 45 mv dropout voltage ( note 2 ) vdrop iout=500ma - 160 300 mv iout =1000ma - 300 600 mv maximum output current ( note 3 ) iout,peak vout = vout (typ) ? - 1400 - ma short circuit current ( note 3 ) i short - 1500 - ma quiescent current iq iout = 0ma - 320 520 vcont = 0v - 0.0 0.1 iout=30ma - 0.7 1.4 ma reverce bias current irev vrev=vout ( typ ) , vin=0v , vcont=0v - 0 0.1 a vcont terminal vcont terminal current icont vcont = 1.8v - 5 1 0 a vcont termin al voltage vcont vout on state 1.8 - - v vout off state - - 0.35 v note 2 . for vout ? 2.0v , no regulations. note 3 . the maximum output current is limited by power dissipation. general note: parameter wi th only typical value is for reference only. table 2 . standard voltage version part number output voltage min typ max v v v ap1154adl18 1.750 1.800 1.850 ap1154adl21 2.050 2.100 2.150 ap1154adl25 2.450 2.500 2.550 ap115 4adl30 2.950 3.000 3.050 ap1154adl33 3.250 3.300 3.350 ap1154adl50 4.925 5.000 5.075
[ap 115 4adl xx ] 014011332 - e - 0 1 - 7 - 201 5 / 0 7 electrical characteristics of ta = - 40 ? ? the parameters with min or max value s will be guaranteed at ta=tj= - 40 ~ 85 ? c . ( v in =vout (typ) +1 v, vcont=1.8v,ta= - 40 ~ 85 ? c , unless otherwise specified. ) parameter symbol condition min typ max unit output voltage vout iout = 5ma ( table 3 ) v line regulation linreg ?v=5v, iout=5ma - 8.0 0.0 8.0 mv load regulation loareg iout=5ma ~ 500 ma - 40 - 40 mv iout=5ma ~ 1000ma - 120 - 120 mv dropout voltage ( n ote 4 ) vdrop iout=500ma - 160 385 mv iout =1000ma - 300 670 mv maximum output current ( note 5 ) iout,peak vout = vout (typ) ? ( note 5 ) i short - 1500 - ma quiescent current iq iout = 0ma - 320 624 vcont = 0v - 0.0 1 .5 iout=30ma - 0.7 1.8 ma reverce bias current irev vrev=vout ( typ ) , vin=0v , vcont=0v - 0 .0 1 . 5 a vcont terminal vcont terminal current icont vcont = 1.8v - 5 1 0 a vcont term inal voltage vcont vout on state 1.8 - - v vout off state - - 0.35 v n ote 4 . for vout ? 2.0v , no regulations. note 5 . the maximum output current is limited by power dissipation. general note: parameter w ith only typical value is for reference only. table 3 . standard voltage version part number output voltage min typ max v v v ap1154adl18 1.720 1.800 1.880 ap1154adl21 2.020 2.100 2.180 ap1154adl25 2.420 2.500 2.580 ap115 4adl30 2.920 3.000 3.080 ap1154adl33 3.217 3.300 3.383 ap1154adl50 4.875 5.000 5.125
[ap 115 4adl xx ] 014011332 - e - 0 1 - 8 - 201 5 / 0 7 11. description 11.1 dc characteristics ? v out vs v in (ap1154adl25) ? v out vs v in (ap1154adl50) ? line regulation (ap1154adl25) ? line regulation (a p1154adl50) ? i q vs v in (ap1154adl25) ? i q vs v in (ap1154adl50) vin [ v ] vout [ v ] vin [ v ] vout [ v ] vin [ v ] ?vout [ mv ] vin [ v ] ?vout [ mv ] vin [ v ] iq [ a ] vin [ v ] iq [ a ] line reg 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 2 4 6 8 10 12 14 16 vin(v) vout(v) vfb line reg 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 2 4 6 8 10 12 14 16 vin(v) vout(v) vfb 200 220 240 260 280 300 320 340 360 380 400 0 2 4 6 8 10 12 14 16 vin(v) iq(ma) 200 220 240 260 280 300 320 340 360 380 400 0 2 4 6 8 10 12 14 16 vin(v) iq(ma)
[ap 115 4adl xx ] 014011332 - e - 0 1 - 9 - 201 5 / 0 7 ? i q vs v in (ap1154adl25) ? i q vs v in (ap1154adl50) ? load regulation (ap1154adl25) ? load regulation (ap1154adl50) ? i gnd vs i out (ap1154adl25) ? i gnd vs i out (ap1154adl50) vin [ v ] iq [ ma ] vin [ v ] iq [ ma ] iout [ ma ] ?vout [ mv ] iout [ ma ] ?vout [ mv ] iout [ ma ] ignd [ ma ] iout [ ma ] ignd [ ma ] 0 2 4 6 8 10 12 0 2 4 6 8 10 12 14 16 vin(v) iq(ma) 0 2 4 6 8 10 12 0 2 4 6 8 10 12 14 16 vin(v) iq(ma) -50 -40 -30 -20 -10 0 10 20 0 200 400 600 800 1000 iout(ma) -50 -40 -30 -20 -10 0 10 20 0 200 400 600 800 1000 iout(ma) 0 5 10 15 20 25 30 35 40 45 50 0 200 400 600 800 1000 iout(ma) ignd(ma) 0 5 10 15 20 25 30 35 40 45 50 0 200 400 600 800 1000 iout(ma) ignd(ma)
[ap 115 4adl xx ] 014011332 - e - 0 1 - 10 - 201 5 / 0 7 ? v drop vs i out (ap1154adl25) ? v drop vs i out (ap1154adl50) ? v out vs i out (ap1154adl25) ? v out vs i out (ap1154adl50) ? v out vs v in (ap1154adl25) ? v out vs v in (ap1154adl50) iout [ ma ] vdrop [ mv ] iout [ ma ] vdrop [ mv ] vin - vout(typ) [ mv ] ?vout [ mv ] vin - vout(typ) [ mv ] ?vout [ mv ] iout [ ma ] vout [ v ] iout [ ma ] vout [ v ] -500 -400 -300 -200 -100 0 0 200 400 600 800 1000 iout(ma) vdrop(mv) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 400 800 1200 1600 2000 iout(ma) vout(v) 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 400 800 1200 1600 2000 iout(ma) vout(v)
[ap 115 4adl xx ] 014011332 - e - 0 1 - 11 - 201 5 / 0 7 ? pcl terminal current (i pcl ) vs i out (ap1154adl25) ? pcl terminal current (i pcl ) vs i out (ap1154adl50) ? i cont vs v cont (ap1154adl25) ? i cont vs v cont (ap1154adl50) ? v out vs v cont (ap1154adl25) ? v out vs v cont (ap1154adl50) iout [ ma ] ipcl [ ma ] iout [ ma ] ipcl [ ma ] vcont [ v ] vout [ v ] vcont [ v ] vout [ v ] vcont [ v ] icont [ a ] vcont [ v ] icont [ a ] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 200 400 600 800 1000 iout(ma) vout(v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 200 400 600 800 1000 iout(ma) vout(v) 0 10 20 30 40 50 60 70 80 90 100 0 2 4 6 8 10 12 14 16 vrev(v) 0 10 20 30 40 50 60 70 80 90 100 0 2 4 6 8 10 12 14 16 vrev(v) 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 vin(v) iq(ma) 0 1 2 3 4 5 6 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 vin(v) iq(ma)
[ap 115 4adl xx ] 014011332 - e - 0 1 - 12 - 201 5 / 0 7 ? i standby vs v in (ap1154adl25) ? i standby vs v in (ap1154adl50) ? i rev vs v rev (ap1154adl25) ? i rev vs v rev (ap1154adl50) vin [ v ] istandby [ a ] vin [ v ] istandby [ a ] v rev [ v ] irev [ a ] v rev [ v ] irev [ a ] 1.e-12 1.e-11 1.e-10 1.e-09 1.e-08 1.e-07 1.e-06 1.e-05 0 2 4 6 8 10 12 14 16 vrev(v) 1.e-12 1.e-11 1.e-10 1.e-09 1.e-08 1.e-07 1.e-06 1.e-05 0 2 4 6 8 10 12 14 16 vrev(v) 1.e-12 1.e-11 1.e-10 1.e-09 1.e-08 1.e-07 1.e-06 1.e-05 1.e-04 1.e-03 0 2 4 6 8 10 12 14 16 vrev(v) 1.e-12 1.e-11 1.e-10 1.e-09 1.e-08 1.e-07 1.e-06 1.e-05 1.e-04 1.e-03 0 2 4 6 8 10 12 14 16 vrev(v)
[ap 115 4adl xx ] 014011332 - e - 0 1 - 13 - 201 5 / 0 7 ? temperature characteristics ? v out vs t a (ap1154adl25) ? v out vs t a (ap1154adl50) ? i q vs t a (ap1154adl25) ? i q vs t a (ap1154adl50) ? loareg vs t a (ap1154adl25) ? loareg vs t a (ap1154adl50) ta [ ? c ] ?vout [ mv ] ta [ ? c ] ?vout [ mv ] ta [ ? c ] iq [ a ] ta [ ? c ] iq [ a ] ta [ ? c ] loareg [ mv ] ta [ ? c ] loareg [ mv ] 200 220 240 260 280 300 320 340 360 380 400 -40 -20 0 20 40 60 80 100 ta(?c) iin( ? a) 200 220 240 260 280 300 320 340 360 380 400 -40 -20 0 20 40 60 80 100 ta(?c) iin( ? a) -20 -15 -10 -5 0 5 10 -40 -20 0 20 40 60 80 100 ta( ) loareg(mv) iout=100ma iout=500ma iout=1000ma -20 -15 -10 -5 0 5 10 -40 -20 0 20 40 60 80 100 ta( ) loareg(mv) iout=100ma iout=500ma iout=1000ma
[ap 115 4adl xx ] 014011332 - e - 0 1 - 14 - 201 5 / 0 7 ? i gnd vs t a (ap1154ad l25) ? i gnd vs t a (ap1154adl50) ? v drop vs t a (ap1154adl25) ? v drop vs t a (ap1154adl50) ? i out,max vs t a (ap1154adl25) ? i out,max vs t a (ap1154adl50) ta [ ? c ] ignd [ ma ] ta [ ? c ] ignd [ ma ] ta [ ? c ] vdrop [ mv ] ta [ ? c ] vdrop [ mv ] ta [ ? c ] iout,peak [ ma ] ta [ ? c ] iout,peak [ ma ] 0 10 20 30 40 50 60 70 -40 -20 0 20 40 60 80 100 ta(?c) iq(ma) iout=100ma iout=500ma iout=1000ma 0 10 20 30 40 50 60 70 -40 -20 0 20 40 60 80 100 ta(?c) iq(ma) iout=100ma iout=500ma iout=1000ma -600 -550 -500 -450 -400 -350 -300 -250 -200 -150 -100 -50 0 -40 -20 0 20 40 60 80 100 ta(?c) iq(ma) iout=500ma iout=100ma iout=1000ma -600 -550 -500 -450 -400 -350 -300 -250 -200 -150 -100 -50 0 -40 -20 0 20 40 60 80 100 ta(?c) iq(ma) iout=100ma iout=500ma iout=1000ma 0 200 400 600 800 1000 1200 1400 1600 -40 -20 0 20 40 60 80 100 ta(?c) 0 200 400 600 800 1000 1200 1400 1600 -40 -20 0 20 40 60 80 100 ta(?c)
[ap 115 4adl xx ] 014011332 - e - 0 1 - 15 - 201 5 / 0 7 ? i pcl vs t a (ap1154adl25) ? i pcl vs t a (ap1154adl50) ? i cont vs t a (ap1154adl25) (vcont=1.8v) ? i cont vs t a (ap1154adl50) (vcont=1.8v) ? v out on/off point vs t a (ap1154adl25) ? v out on/off point vs t a (ap1154adl50) ta [ ? c ] ipcl [ ma ] ta [ ? c ] ipcl [ ma ] ta [ ? c ] icont [ a ] ta [ ? c ] icont [ a ] ta [ ? c ] vcont [ v ] ta [ ? c ] vcont [ v ] 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 -40 -20 0 20 40 60 80 100 ta(?c) iq(ma) iout=100ma iout=500ma iout=1000ma 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 -40 -20 0 20 40 60 80 100 ta(?c) iq(ma) iout=100ma iout=500ma iout=1000ma 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 -40 -20 0 20 40 60 80 100 ta vcont(v) vout_on vout_off 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 -40 -20 0 20 40 60 80 100 ta vcont(v) vout_on vout_off
[ap 115 4adl xx ] 014011332 - e - 0 1 - 16 - 201 5 / 0 7 11.2 on/off transient measurement circuit measurement condition vin = vout ( typ ) + 1v vcont = 0v ? 2v ( f = 10hz ) iout = 1000ma cin = 1f cout = 1f rpcl = 0 ? ap1154adl25 cout : 1f , 10f ? ap1154adl25 rpcl : 0 ~ 10k , iout=50ma v ertical axis:1v/div , h orizontal axis :10se c/div v ertical axis:1v/div , horizontal axis :10sec/div ? ap1154adl50 cout : 1f , 10f ? ap1154adl50 rpcl : 0 ~ 10k , iout=50ma v ertical axis:1v/div , horizontal axis :10sec/div v ertical axis:1v/div , horizontal axis :10sec /div cout=1.0 ? 10f v c o n t v o u t 0v 2v 1v 10sec v c o n t v o u t 0v 2v 1v 10sec rpcl= 0 , 1k , 5k , 10k cout=1.0f , 10f v c o n t v o u t 0v 2v 2v 10sec v c o n t v o u t 0v 2v 2v 10sec rpcl =0 , 1k , 5k , 10k vin cin vout cout 0v 2v vcont rpcl vin vcont vout pcl gnd
[ap 115 4adl xx ] 014011332 - e - 0 1 - 17 - 201 5 / 0 7 11.3 line transient measurement circuit measurement condition vin = vout ( typ ) + 1v ? vout ( typ ) + 2v ( f = 1khz ) vcont = 2v cin = 1f cout = 1f rpcl = 0 ? ap1154adl25 ? ap1154adl50 v ertical axis: 5m v/div , horizontal axis :10 0 sec/div v ertical axis: 5m v/div , horizontal axis :10 0 sec/div vout 1 0 0 s e c 5mv 100 s v in 3.5v 4.5v iout=500ma iout=1000ma vout 1 0 0 s e c 5mv 100 s v in 3.5v 4.5v iout=500ma iout=1000ma vout,typ+1v vin cin vout,typ+2v vout cout vcont vin vcont vout pcl gnd
[ap 115 4adl xx ] 014011332 - e - 0 1 - 18 - 201 5 / 0 7 11.4 load transient measurement circuit measurement condition vin = vout ( typ ) + 1v vcont = 2v cin = 1f cout = 1f rpcl = 0 ? ap1154adl25 iout:0a ? 500ma, 1000ma (freq=10hz) ? ap1154adl25 iout:500ma, 1000ma ? 0a (freq=10hz) v ertical axis: 200m v/div , horizontal axis : 25 sec/div v ertical axis: 500m v/div , horizontal axis : 2.5m sec/div ? ap1154 adl50 iout:0a ? 500ma, 1000ma (freq=10hz) ? ap1154adl50 iout:500ma, 1000ma ? 0a (freq=10hz) v ertical axis: 200m v/div , horizontal axis : 25 sec/div v ertical axis: 500m v/div , horizontal axis : 2.5m sec/div vout 1 0 0 s e c 200 mv 25 s iout 0a 500ma or 1a iout= 0a 500ma iout= 0a 1000ma vout 1 0 0 s e c 500 mv 2.5 m s iout 0a 500ma or 1a iout=500ma 0a iout=1000ma 0a vout 1 0 0 s e c 200 mv 25 s iout 0a 500ma or 1a iout= 0a 500ma iout= 0a 1000ma vout 1 0 0 s e c 500 mv 2.5 m s iout 0a 500ma or 1a iout=500ma 0a iout= 1000ma 0a vin cin vout cout 0ma 500ma, 1000ma vcont vin vcont vout pcl gnd
[ap 115 4adl xx ] 014011332 - e - 0 1 - 19 - 201 5 / 0 7 ? ap1154adl25 iout:10ma ? 500ma ? 10ma(freq=5khz) ? ap1154adl25 iout:10ma ? 1000ma ? 10ma(freq=5khz) v ertical axis: 200m v/div , horizontal axis : 25 sec/div v ertical axis: 200m v/div , horizontal axis : 25 sec/div ? ap1154adl50 iout:10ma ? 500ma ? 10ma(freq=5khz) ? ap11 54adl50 iout:10ma ? 1000ma ? 10ma(freq=5khz) vertical axis :200mv/div , horizantal axis :25sec/div vertical axis :200mv/div , horizantal axis :25sec/div i o u t vout 1 0 m a 5 0 0 m a 2 0 0 m v 2 5 s e c i o u t 1 0 0 s e c vout 1 0 m a 1 a 2 0 0 m v 2 5 s e c vout 1 0 0 s e c 200 mv 25 s iout 10m a 500ma 10m a vout 1 0 0 s e c 200 mv 25 s iout 10m a 1a 10m a iout 500ma 10m a 10m a 25 s 200 mv iout 10m a 1a 10m a 2 5 s 200 mv
[ap 115 4adl xx ] 014011332 - e - 0 1 - 20 - 201 5 / 0 7 11.5 ripple rejection measurement circuit measurement condition vin = vout ( typ ) + 1.5v ripple noise = 500mvp - p ( f = 1khz , sine wave ) vcont = 2v iout=100ma cin : none cout = 1f rpcl = 0 ? ? cout=1.0f ~ 10f frequency(hz) frequency(hz) ? ? cout=1.0f ~ 10f frequency(hz) frequency(hz) r.r(db) - 100 - 50 0 100 100k 10k 1k 1m cout=1.0 ? 2.2 ? 4.7 ? 10f r.r(db) - 100 - 50 0 100 100k 10k 1k 1m iout=100 ? 500 ? 1000ma r.r(db) - 100 - 50 0 100 100k 10k 1k 1m iout=100 ? 500 ? 1000ma r.r(db) - 100 - 50 0 100 100k 10k 1k 1m cout=1.0 ? 2.2 ? 4.7 ? 10f vout vin 500mvp-p vin=vout ,typ+1.5v cout vcont vin vcont vout pcl gnd
[ap 115 4adl xx ] 014011332 - e - 0 1 - 21 - 201 5 / 0 7 ? ? 11.6 output noise measurement circuit measurement condition vin = vout ( typ ) + 1v vcont = 2v cin = 1f cout = 1f rpcl = 0 ? ? iout [ma] r.r. [db] iout [ma] r.r. [db] iout [ma] noise. [vrms] iout [ma] noise. [vr ms] -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 200 400 600 800 1000 iout(ma) r.r.(db) -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 200 400 600 800 1000 iout(ma) r.r.(db) vin cin vout cout vcont vin vcont vout pcl gnd
[ap 115 4adl xx ] 014011332 - e - 0 1 - 22 - 201 5 / 0 7 11.7 setting of output current limitation the output current limit can be set by connecting an external resis tance ( r pcl ) between the pcl terminal and gnd. if there is no need of setting a current limit, connect the pcl terminal to gnd the below figures show relation between r pcl value and iout,peak at vin=vout ( typ ) +1 v , ta=25 ? c ? ap1154adl25 iout,peak vs r pcl ? ap1154adl50 iout,peak vs r pcl * iout,peak : output current at 10% drop from typical output voltage. iout [ma] vout. [v] 10k 5k 2k 1k 500 100 rpcl [] iout,peak [ma] rpcl [] iout,peak [ma] ? ap1154adl50 iout,peak vs iout with r pcl vin cin cout vcont rpcl iout 10k ? ,5k ? ,2k ? ,1k ? 500 ? ,100 ? vin vcont vout pcl gnd 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 500 1000 1500 0 200 400 600 800 1000 1200 1400 1600 100 1k 10k 0 200 400 600 800 1000 1200 1400 1600 100 1k 10k
[ap 115 4adl xx ] 014011332 - e - 0 1 - 23 - 201 5 / 0 7 relation between rpcl and ioutpeak has variation based on the supply voltage and the am bient temperature. please ensure the suitable value on the environment. ? ap1154adl25 iout,peak vs r pcl with vin ? ap1154adl50 iout,peak vs r pcl with vin ? ap1154adl25 iout,peak vs r pcl with ta ? ap1154adl50 iout,peak vs r pcl with ta ? ap1154adl25 iout,peak vs ta with r pcl ? ap1154adl50 iout,peak vs ta with r pcl rpcl [] iout,peak [ma] rpcl [] iout,peak [ma] vin=4.5v 3.5v 3.0v vin= 7.0v 6.0v 5.5v rpcl [] iout,peak [ma] rpcl [] iout,peak [ma] ta=85 ? c 0 ? c - 40 ? c ta=85 ? c 0 ? c - 40 ? c ta [ ? c] iout,peak [ma] ta [ ? c] iout,peak [ma] 100 500 1k 2k 5k 10k 100 500 1k 2k 5k 10k ta=25 ? c ta=25 ? c vin=vout ( typ ) +1v vin=vout ( typ ) +1v vin=vout ( typ ) +1v vin=vout ( typ ) +1v 0 200 400 600 800 1000 1200 1400 100 1k 10k 0 200 400 600 800 1000 1200 1400 1600 100 1k 10k 0 200 400 600 800 1000 1200 1400 100 1k 10k 0 200 400 600 800 1000 1200 1400 1600 100 1k 10k 0 200 400 600 800 1000 1200 1400 -40 -20 0 20 40 60 80 100 0 200 400 600 800 1000 1200 1400 -40 -20 0 20 40 60 80 100
[ap 115 4adl xx ] 014011332 - e - 0 1 - 24 - 201 5 / 0 7 11.8 stability the standard capacitor recommended for use on the output side is a ceramic capacitor equal to or greater than 1.0 ? f. for operations at 2.4v or less, use at least a 2.2 ? f capacitor . figure 2 . stable operation area (c out 0.47 ? f) figure 2 indicates that operation is stable in the entire current range with a resistance of 1 ? or less ( e quivalent series resistance or esr ) connected in series to the output capacitor. generally, the esr of a ceramic capacitor is very low ( several tens of m ? ) , and no problem s should arise in actual use. if an application requires use of a large esr capacit or , connect ing a ceramic capacitor with low esr in parallel will enable operation s at this level . when parallel output capacitors are used , be sure to position the ceramic capacitor as close to the ic as possible . the other capacitor connected in parallel may be located away from the ic. the ic will not be damaged by the increased capacit ance . input capacitors are necessary when the power supply impedance increases due to battery depletion or when the line to the power supply is particularly long. there is no general rule that can be used to determine the required number of capacitors used for such purposes. in some cases, only one capacitor is necessary for several regulator ics. in some cases, one capacitor is required for each ic. to determine the require d number of capacitors in a specific application, be sure to verify operation with all parts in the installed configuration . c eramic capacitors normally have specific temperature and voltage characteristics. be sure to take the operating voltage and temper ature into consideration when selecting parts for use. we recommend parts featuring b characteristic s . figure 3 . example ceramic capacitance vs. bias voltage, temperature for evaluation kyocera : cm05b104k10ab , cm05b224k10ab , cm105b104k16a , cm105b224k16a , cm21b225k10a murata : grm36b104k10 , grm42b104k10 , grm39b104k25 , grm39b224k10 , grm39b105k6.3 unstable area stable area
[ap 115 4adl xx ] 014011332 - e - 0 1 - 25 - 201 5 / 0 7 11.9 operating region and power dissipation power dissipation capability is limited by the junction temperature that triggers the built - in overheat protection circuit. therefore, power dissipation capability is regarded as an internal limitation. the package itself does not offer high heat dissipation because of its small size. the package is, however , designed to release heat effec tively when mounted on the pcb. therefore, the heat - dissipation value will vary depending on the material, copper patter n , etc. of the pcb on which the package is mounted. when the regulator loss is large (high ambient temperature, poor heat radiation), th e overheat protection circuit is activated. when this occurs , output current cannot be obtained, and an output voltage drop is observed. when the junction temperature reaches the set value , the ic stops operating. however, after the ic has stopped operatio n and the junction temperature lowers sufficiently, the ic restarts operation immediately. the thermal resistance when mounted on pcb the chip junction temperature during operation is expressed by the junction temperature of the ap 1154adlxx is limited to approximately 145 ? c by the overheat protection circuit. p d is the value observed when the overheat protection circuit is activated. the following example is based on an ambient temperature of 25 ? c. ( c/w ) glass epoxy substrate with double - layer wiring (x=30mm, y=30mm, t=1.0mm, copper pattern thickness: 35 ? m) ap115 4 ad lxx ( h so p - 8 ) p d is 2400mw. if the temperature exceeds 25 ? c, be sure to derate at - 20mw/ ? c. metho d of obtaining pd easily with the output terminal shorted - circuited to gnd, gradually increase the input voltage and measure the input current. slowly increase the input voltage to about 10v. the initial input current value becomes the maximum instantaneous output current value, but gradually lowers as the chip temperature rises, and ultimately reaches a state of thermal equilibrium ( through natu ral air cooling). p d is calculated using the input value for input current and the input voltage value in the equilibrium state. procedure (conducted at the time of installation on pcb) 1: obtain p d ( when output is short - circuited). 2: plot p d on the 25 ? c line. 3: draw a straight line between p d and the 145 ? c line . 4: extend a straight - line perpendicular from the point of the designed maximum operating temperature (for example, 7 5 ? c) . 5: extend a line to the left from the intersection of the derating curve and the line drawn in 4, and read the p d value (this value is dp d ). 6: at 75 ? c the maximum operating current at the maximum temperature is as follows: try to achieve maximum heat dissipation in your design in order to minimize the parts temperature during operation. generally, lower part temperatures result in higher reliability in operation. a t p t d ja j ? ? ? 25 p 145 d ja ? ? ? 120 p d ja ? ? d ja p 120 ? in in d i v p ? ? 0 25 50 75 100 145 t a (c) p d (mw) p d dp d 2 3 4 5 in in i v ? out out max in, d i ) v (v dp ? ? ? )} v (v {dp i out max in, d out ? ? ?
[ap 115 4adl xx ] 014011332 - e - 0 1 - 26 - 201 5 / 0 7 11.10 operating region and power dissipatio n it is recommended to turn the regulator off when the circuit following the regulator is not operating. a design with small electric power loss can be implemented. because the vcont terminal current is small, it is possible to control it directly by cmos logic. vcont terminal voltage on/off state vcont > 1.8v on vcont < 0.35v off parallel connected on/off control figure 4 . parallel connection example figure 4 shows the multiple regulators being controlled by a single on/off control signal. there is fear of overheating, because the power loss of the low voltage side (ap115 4 ad l 20) is large. the series resistor (r) is put in the input line of the low outpu t voltage regulator in order to prevent over - dissipation. the voltage dropped across the resistor reduces the large input - to - output voltage across the regulator, reducing the power dissipation in the device. when the thermal sensor works, a decrease of the output voltage, oscillation, etc. may be observed. ap 1154 adl ap 1154 adl ap 1154 adl vin r on / off vout 5 . 0 v 3 . 3 v 2 . 5 v
[ap 115 4adl xx ] 014011332 - e - 0 1 - 27 - 201 5 / 0 7 12. definition of term characteristics ? output voltage (v out ) the output voltage is specified with v in =v out(typ) +1v and i out =5ma. ? output current (i out ) output current, which can be used continuously (it is the range where overheating protection of the ic does not operate). ? maximum output current (i out, peak ) the rated output current is specified under the condition where the output voltage drops 0.9v times the value specified with i out =5ma by increasing the output curren t. the input voltage is set to v out(typ) +1v and the current is pulsed to minimize temperature effect. ? dropout voltage (v drop ) it is the difference between the input voltage and the output voltage when the circuit stops stable operation by decreasing the input voltage. it is measured when the output voltage drops 100mv from its nominal value by decreasing the input voltage gradually. ? line regulation (linreg) it is the fluctuations of the output voltage value when the input voltage is ch anged. ? load regulation (loareg) it is the fluctuations of the output voltage value when the input voltage is assumed to be v out(typ) +1v, and the output current is changed. ? ripple rejection (rr) ripple rejection is the ability of the regulator to attenu ate the ripple content of the input voltage at the output. it is measured with the condition of v in = v out(typ) +1.5v. ripple rejection is the ratio of the ripple content between the output vs. input and is expressed in db ? standby current (i standby ) stan dby current is the current which flows into the regulator when the output is turned off by the control function (v cont =0v). protections ? over current protection it is a function to protect the ic by limiting the output current when excessive current flo ws into the ic, such as the output is connected to gnd, etc. ? thermal protection it protects the ic not to exceed the permissible power consumption of the package in case of a large power loss inside the regulator. the output is turned off when the chip r eaches around 145 c, but it turns on again when the temperature of the chip decreases. ? reverse voltage protection reverse voltage protection prevents damage due to the output voltage being higher than the input voltage. this fault condition can occur whe n the output capacitor remains charged and the input is reduced to zero, or when an external voltage higher than the input voltage is applied to the output side . generally, a ldo regulator has a diode in the input direction from an output. if an input fall s from an output in an input - gnd short circuit etc. and this diode turns on, current will flow for an input terminal from an output terminal. in the case of excessive current, ic may break.in order to prevent this, it is necessary to connect an schottky di ode etc. outside. this product is equipped with reverse bias over - current prevention, and excessive current does not flow in to ic. therefore, no need to connect diode outside. vout vin gnd
[ap 115 4adl xx ] 014011332 - e - 0 1 - 28 - 201 5 / 0 7 13. recommended external circuits figure 5 . recommended external circuit ( with respect to cout and rpcl , please refer to 11 . description ) vin v cont v out pcl gnd vin cout cin vcont 1.8v i in rpcl iout 5ma
[ap 115 4adl xx ] 014011332 - e - 0 1 - 29 - 201 5 / 0 7 14. package outline dimens ions ? unit: mm 1 5 4 8 4 . 4 0 . 4 0 1 . 2 7 1 . 4 5 4 . 9 6 . 2 0 . 1 5 0 . 2 0 . 3 0 . 2 0 - 0 . 2 5 0 . 1 0 . 0 5 0 . 1 m a r k l o t n o . g r e e n p r o d u c t m a r k a c 3 0 x x x x 0 . 0 5 0 . 4 0 . 2 ( 2 . 9 ) ( 2 . 7 ) 8 4 5 1
[ap 115 4adl xx ] 014011332 - e - 0 1 - 30 - 201 5 / 0 7 15. revise history date (yy/mm/dd) revision page contents 14/ 10 / 2 9 00 - first edition 1 5 / 0 7 / 0 3 0 1 7 standby current( istandby ) max0.5 ? ? max0.5 ? ?
[ap 115 4adl xx ] 014011332 - e - 0 1 - 31 - 201 5 / 0 7 important notice 0. asahi kasei microdevices corporation (akm) reserves the right to make changes to the information contained in this document without notice. when you consider any use or application of akm product stipulated in this document ( product ) , please make inquiries the sales office of akm or authorized distributor s as to current status of the products. 1. all information included in this document are provided only to illustrate the operation and application examples of akm products . akm neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of akm or any third party with respect to the information in this document. you are fully responsible for use of such information contained in this document in your product design or applications . akm assumes no liability for any losses incurred by you or third parties arising from the use of such information in your product design or applications. 2. the product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may c ause loss of human life, bodily injury, serious property damage or serious public impact , including but not limited to, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, train s, ships and other transportation, traffic signaling equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in finance - related fields. do not use produ ct for the above use unless specifically agreed by akm in writing . 3. though akm works continually to improve the products quality and reliability, you are responsible for complying with safety standards and for providing adequate designs and safeguards f or your hardware, software and systems which minimize risk and avoid situations in which a malfunction or failure of the product could cause loss of human life, bodily injury or damage to property, including data loss or corruption. 4. do not use or otherw ise make available the product or related technology or any information contained in this document for any military purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological w eapons or missile technology products (mass destruction weapons). when exporting the p roducts or related technology or any information contained in this document, you should comply with the applicable export control laws and regulations and follow the proc edures required by such laws and regulations. the p roducts and related technology may not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable domestic or foreign laws or regulations. 5 . please contact akm sales representative for details as to environmental matters such as the rohs compatibility of the product. please use the product in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances, including without limitation, the eu rohs directive. akm assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 6. resale of the product with provisions different from the stateme nt and/or technical features set forth in this document shall immediately void any warranty granted by akm for the product and shall not create or extend in any manner whatsoever , any liability of akm. 7. this document may not be reproduced or duplicated, in any form, in whole or in part, without prior written consent of akm .

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