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? semiconductor components industries, llc, 2012 february, 2012 ? rev. 2 1 publication order number: ncp4625/d ncp4625 300 ma, 10 v, low dropout regulator the ncp4625 is a cmos linear voltage regulator with 300 ma output current capability. the device is capable of operating with input voltages up to 10 v, with high output voltage accuracy and low temperature ? drift coefficient. the ncp4625 is easy to use, with output current fold ? back protection and a thermal shutdown circuit included. a chip enable function is included to save power by lowering supply current. features ? operating input voltage range: 2.6 v to 10 v ? output voltage range: 1.2 to 6.0 v (available in 0.1 v steps) ? low supply current: 23 a ? very low dropout: ? 200 mv (i out = 100 ma, v in = 3.0 v) ? 770 mv (i out = 300 ma, v in = 2.8 v) ? high psrr: 70 db at 1 khz ? line regulation 0.02%/v typ ? current fold back protection ? thermal shutdown protection ? stable with ceramic capacitors ? available in sc ? 70, sot89 and sot ? 23 package ? these are pb ? free devices typical applications ? battery products powered by two lithium ion cells ? networking and communication equipment ? cameras, dvrs, stb and camcorders ? toys, industrial applications vin vout ce gnd c1 c2 vin vout ncp4625x figure 1. typical application schematic 1 1 http://onsemi.com see detailed ordering and shipping information in the package dimensions section on p age 14 of this data sheet. ordering information sc ? 70 case 419a xx, xxx= specific device code m, mm = date code a = assembly location y = year w = work week = pb ? free package marking diagrams (*note: microdot may be in either location) sot ? 89 5 case 528ab xxx m sot ? 23 ? 5 case 1212 xxx xmm 1 1 xxxmm 1
ncp4625 http://onsemi.com 2 current limit thermal shutdown vin gnd vref ce vout ncp4625hxxxx current limit thermal shutdown vin gnd vref ce vout ncp4625dxxxx figure 2. simplified schematic block diagram pin function description pin no. sot89 pin no. sc ? 70 pin no. sot23 pin name description 5 5 1 vin input pin 2 3 2 gnd ground 3 1 3 ce chip enable pin (active ?h?) 1 4 5 vout output pin 4 2 4 nc no connection absolute maximum ratings rating symbol value unit input voltage (note 1) v in 12.0 v output voltage v out ? 0.3 to v in + 0.3 v chip enable input v ce 12.0 v output current i out 330 ma power dissipation sot89 p d 900 mw power dissipation sc ? 70 380 power dissipation sot23 420 junction temperature t j ? 40 to 150 c storage temperature t stg ? 55 to 125 c esd capability, human body model (note 2) esd hbm 2000 v esd capability, machine model (note 2) esd mm 200 v stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. 1. refer to electrical characteristis and application information for safe operating area. 2. this device series incorporates esd protection and is tested by the following methods: esd human body model tested per aec ? q100 ? 002 (eia/jesd22 ? a114) esd machine model tested per aec ? q100 ? 003 (eia/jesd22 ? a115) latchup current maximum rating tested per jedec standard: jesd78.
ncp4625 http://onsemi.com 3 thermal characteristics rating symbol value unit thermal characteristics, sot89 thermal resistance, junction ? to ? air r ja 111 c/w thermal characteristics, sot23 thermal resistance, junction ? to ? air r ja 238 c/w thermal characteristics, sc ? 70 thermal resistance, junction ? to ? air r ja 263 c/w electrical characteristics ? 40 c t a 85 c; v in = v out(nom) + 1 v; i out = 1 ma, c in = c out = 0.47 f, unless otherwise noted. typical values are at t a = +25 c. parameter test conditions symbol min typ max unit operating input voltage v in 2.6 10 v output voltage t a = +25 c v out > 1.5 v v out x0.99 x1.01 v v out 1.5 v ? 15 15 mv ? 40 c t a 85 c v out > 1.5 v x0.974 x1.023 v v out 1.5 v ? 40 35 mv output voltage temp. coefficient ? 40 c t a 85 c 80 ppm/ c line regulation v out(nom) + 0.5 v or 2.6 v (whichever is higher) v in 10 v line reg 0.02 0.2 %/v load regulation i out = 0.1 ma to 300 ma line reg 10 70 mv dropout voltage i out = 300 ma 1.2 v v out < 1.3 v v do 1.40 1.80 v 1.3 v v out < 1.5 v 1.35 1.75 1.5 v v out < 1.8 v 1.20 1.55 1.8 v v out < 2.3 v 0.98 1.30 2.3 v v out < 3.0 v 0.77 1.08 3.0 v v out < 4.0 v 0.60 0.85 4.0 v v out < 6.0 v 0.50 0.75 output current i out 300 ma short current limit v out = 0 v i sc 40 ma quiescent current i q 23 40 a standby current v in = 10 v, v ce = 0 v, t a = 25 c i stb 0.1 1.0 a ce pin threshold voltage ce input voltage ?h? v ceh 1.7 v ce input voltage ?l? v cel 0.8 ce pull down current i cepd 0.3 a power supply rejection ratio v in = v out + 1 v or 3.0 v whichever is higher, v in = 0.2 v pk ? pk , i out = 30 ma, f = 1 khz psrr 70 db output noise voltage f = 10 hz to 100 khz v n 85 v rms low output n ? channel tr. on resistance v in = 7 v, v ce = 0 v, v out = 1.2 v, v in = 2.6 v, i out = 30 ma r low 250 thermal shutdown temperature t tsd 165 c thermal shutdown release t tsr 110 c
ncp4625 http://onsemi.com 4 typical characteristics 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 0 100 200 300 400 500 600 i out (ma) v out (v) v in = 2.6 v 3.0 v 4.0 v figure 3. output voltage vs. output current 1.2 v version (t j = 25 c) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 100 200 300 400 500 600 0 100 200 300 400 500 600 i out (ma) v out (v) v in = 3.0 v 3.3 v 3.6 v 4.0 v 5.0 v 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0 100 200 300 400 500 600 i out (ma) v out (v) figure 4. output voltage vs. output current 2.8 v version (t j = 25 c) figure 5. output voltage vs. output current 5.0 v version (t j = 25 c) v in = 5.3 v 5.6 v 6.0 v 7.0 v 8.0 v 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 0 50 100 150 200 250 300 i out (ma) v do (v) figure 6. dropout voltage vs. output current 1.2 v version 105 c t j = ? 40 c and t j = 25 c 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0 50 100 150 200 250 300 i out (ma) v do (v) t j = 25 c 105 c ? 40 c figure 7. dropout voltage vs. output current 2.8 v version 0.00 0.10 0.20 0.30 0.40 0.50 0 50 100 150 200 250 300 t j = 25 c 105 c ? 40 c v do (v) i out (ma) figure 8. dropout voltage vs. output current 5.0 v version
ncp4625 http://onsemi.com 5 typical characteristics 1.10 1.12 1.14 1.16 1.18 1.20 1.22 1.24 1.26 1.28 1.30 ? 40 ? 200 20406080 t j , junction temperature ( c) v out (v) v in = 2.6 v figure 9. output voltage vs. temperature, 1.2 v version 2.70 2.72 2.74 2.76 2.78 2.80 2.82 2.84 2.86 2.88 2.90 ? 40 ? 200 20406080 v in = 3.8 v v out (v) t j , junction temperature ( c) figure 10. output voltage vs. temperature, 2.8 v version 4.90 4.92 4.94 4.96 4.98 5.00 5.02 5.04 5.06 5.08 5.10 ? 40 ? 200 20406080 t j , junction temperature ( c) v out (v) v in = 6.0 v figure 11. output voltage vs. temperature, 5.0 v version 0 5 10 15 20 25 30 35 40 0123456 2.8 v v out = 5 v 1.2 v v in , output voltage (v) i gnd ( a) figure 12. supply current vs. input voltage 0 5 10 15 20 25 30 ? 40 ? 20 0 20406080 v out = 1.2 v 2.8 v 5.0 v i gnd ( a) t j , junction temperature ( c) figure 13. supply current vs. temperature, 1.2 v version 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 024681 0 v out (v) v in , input voltage (v) i out = 200 ma 100 ma 50 ma 20 ma 1 ma figure 14. output voltage vs. input voltage, 1.2 v version
ncp4625 http://onsemi.com 6 typical characteristics 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0246810 v out (v) v in , input voltage (v) i out = 200 ma 100 ma 50 ma 20 ma 1 ma figure 15. output voltage vs. input voltage, 2.8 v version 0.0 1.0 2.0 3.0 4.0 5.0 6.0 0246810 i out = 200 ma 100 ma 50 ma 20 ma 1 ma v in , input voltage (v) v out (v) figure 16. output voltage vs. input voltage, 5.0 v version figure 17. psrr, 1.2 v version, v in = 2.6 v 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 psrr (db) frequency (khz) i out = 100 ma 30 ma 1 ma figure 18. psrr, 1.2 v version, v in = 3.0 v 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 psrr (db) frequency (khz) i out = 100 ma 30 ma 1 ma figure 19. psrr, 2.8 v version, v in = 3.8 v 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 psrr (db) frequency (khz) i out = 100 ma 1 ma 30 ma figure 20. psrr, 2.8 v version, v in = 4.8 v 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 psrr (db) frequency (khz) i out = 100 ma 1 ma 30 ma
ncp4625 http://onsemi.com 7 typical characteristics figure 21. psrr, 5.0 v version, v in = 6.0 v 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 psrr (db) frequency (khz) i out = 100 ma 1 ma 30 ma figure 22. psrr, 5.0 v version, v in = 7.0 v 0 10 20 30 40 50 60 70 80 90 100 0.01 0.1 1 10 100 1000 frequency (khz) psrr (db) i out = 100 ma 1 ma 30 ma figure 23. output voltage noise, 1.2 v version, v in = 2.6 v 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.01 0.1 1 10 100 1000 v n ( v rms / hz ) frequency (khz) figure 24. output voltage noise, 2.8 v version, v in = 3.8 v 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 0.01 0.1 1 10 100 1000 v n ( v rms / hz ) frequency (khz) figure 25. output voltage noise, 5.0 v version, v in = 6.0 v 0.0 2.0 4.0 6.0 8.0 10 12 0.01 0.1 1 10 100 1000 v n ( v rms / hz ) frequency (khz)
ncp4625 http://onsemi.com 8 typical characteristics figure 26. line transients, 1.2 v version, t r = t f = 5 s, i out = 30 ma 1.190 1.195 1.200 1.205 1.210 1.215 1.220 0 102030405060708090100 0 1 2 3 4 5 v out (v) t ( s) v in (v) figure 27. line transients, 2.8 v version, t r = t f = 5 s, i out = 30 ma 2.790 2.795 2.800 2.805 2.810 2.815 2.820 0 102030405060708090100 1 2 3 4 5 6 v out (v) t ( s) v in (v) figure 28. line transients, 5.0 v version, t r = t f = 5 s, i out = 30 ma 4.980 4.985 4.990 4.995 5.000 5.005 5.010 0 102030405060708090100 3 4 5 6 7 8 v out (v) v in (v) t ( s)
ncp4625 http://onsemi.com 9 typical characteristics figure 29. load transients, 1.2 v version, i out = 50 ? 100 ma, t r = t f = 0.5 s, v in = 2.6 v 1.14 1.16 1.18 1.20 1.22 1.24 0 20 40 60 80 100 120 140 160 180 200 0 50 100 150 200 v out (v) i out (ma) t ( s) figure 30. load transients, 2.8 v version, i out = 50 ? 100 ma, t r = t f = 0.5 s, v in = 3.8 v 2.73 2.75 2.77 2.79 2.81 2.83 0 20 40 60 80 100 120 140 160 180 200 0 50 100 150 200 v out (v) i out (ma) t ( s) figure 31. load transients, 5.0 v version, i out = 50 ? 100 ma, t r = t f = 0.5 s, v in = 6.0 v 4.95 4.97 4.99 5.01 5.03 5.05 0 20 40 60 80 100 120 140 160 180 200 0 50 100 150 200 v out (v) i out (ma) t ( s)
ncp4625 http://onsemi.com 10 typical characteristics figure 32. load transients, 1.2 v version, i out = 1 ? 150 ma, t r = t f = 0.5 s, v in = 2.6 v 0.99 1.00 1.10 1.20 1.30 1.40 0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 v out (v) i out (ma) t ( s) figure 33. load transients, 2.8 v version, i out = 1 ? 150 ma, t r = t f = 0.5 s, v in = 3.8 v 2.40 2.50 2.60 2.70 2.80 2.90 0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 v out (v) i out (ma) t ( s) figure 34. load transients, 5.0 v version, i out = 1 ? 150 ma, t r = t f = 0.5 s, v in = 6.0 v 4.70 4.80 4.90 5.00 5.10 5.20 0 50 100 150 200 250 300 350 400 450 500 0 50 100 150 200 v out (v) i out (ma) t ( s)
ncp4625 http://onsemi.com 11 typical characteristics figure 35. start ? up, 1.2 v version, v in = 2.6 v ? 0.5 0.0 0.5 1.0 1.5 2.0 0 20 40 60 80 100 120 140 160 180 200 0 1 2 3 4 v out (v) v ce (v) t ( s) chip enable i out = 300 ma i out = 30 ma i out = 1 ma figure 36. start ? up, 2.8 v version, v in = 3.8 v v out (v) v ce (v) t ( s) chip enable i out = 300 ma i out = 30 ma i out = 1 ma figure 37. start ? up, 5.0 v version, v in = 6.0 v ? 2 0 2 4 6 8 0 20 40 60 80 100 120 140 160 180 200 0 2 4 6 8 10 chip enable i out = 300 ma i out = 30 ma i out = 1 ma v out (v) v ce (v) t ( s) 0 1 2 3 4 5 ? 1 0 1 2 3 4 0 20 40 60 80 100 120 140 160 180 200 0 1 2 3 4 5
ncp4625 http://onsemi.com 12 typical characteristics figure 38. shutdown, 1.2 v version d, v in = 2.6 v ? 0.5 0.0 0.5 1.0 1.5 2.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 1 2 3 4 v out (v) v en (v) t ( s) chip enable i out = 300 ma i out = 30 ma i out = 1 ma figure 39. shutdown, 2.8 v version d, v in = 3.8 v ? 1 0 1 2 3 4 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 1 2 3 4 5 v out (v) v en (v) t ( s) chip enable i out = 300 ma i out = 30 ma i out = 1 ma figure 40. shutdown, 5.0 v version d, v in = 6.0 v ? 2 0 2 4 6 8 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 2 4 6 8 10 v out (v) v en (v) t ( s) chip enable i out = 30 ma i out = 1 ma i out = 300 ma
ncp4625 http://onsemi.com 13 application information a typical application circuit for ncp4625 series is shown in figure 41. figure 41. typical application schematic vin vout ce gnd c1 c2 vin vout ncp4625x 1 1 input decoupling capacitor (c1) a 1 f ceramic input decoupling capacitor should be connected as close as possible to the input and ground pin of the ncp4625. higher values and lower esr improves line transient response. output decoupling capacitor (c2) a 1 f ceramic output decoupling capacitor is enough to achieve stable operation of the ic. if a tantalum capacitor is used, and its esr is high, loop oscillation may result. the capacitors should be connected as close as possible to the output and ground pins. larger values and lower esr improves dynamic parameters. enable operation the enable pin ce may be used for turning the regulator on and off. the ic is switched on when a high level voltage is applied to the ce pin. the enable pin has an internal pull down current source. if the enable function is not needed connect ce pin to vin. output discharger the d version includes a transistor between v out and gnd that is used for faster discharging of the output capacitor. this function is activated when the ic goes into disable mode. thermal as a power across the ic increase, it might become necessary to provide some thermal relief. the maximum power dissipation supported by the device is dependent upon board design and layout. mounting pad configuration on the pcb, the board material, and also the ambient temperature affect the rate of temperature increase for the part. when the device has good thermal conductivity through t he pcb the junction temperature will be relatively low in high power dissipation applications. pcb layout make the vin and gnd line as large as practical. if their impedance is high, noise pickup or unstable operation may result. connect capacitors c1 and c2 as close as possible to the ic, and make wiring as short as possible.
ncp4625 http://onsemi.com 14 ordering information device nominal output voltage description marking package shipping ? ncp4625dsn12t1g 1.2 v auto discharge fba sot ? 23 (pb ? free) 3000 / tape & reel ncp4625dsn18t1g 1.8 v auto discharge fbh sot ? 23 (pb ? free) 3000 / tape & reel ncp4625dsn28t1g 2.8 v auto discharge fbu sot ? 23 (pb ? free) 3000 / tape & reel ncp4625dsn30t1g 3.0 v auto discharge fbx sot ? 23 (pb ? free) 3000 / tape & reel ncp4625dsn33t1g 3.3 v auto discharge gba sot ? 23 (pb ? free) 3000 / tape & reel ncp4625dsn50t1g 5.0 v auto discharge gbt sot ? 23 (pb ? free) 3000 / tape & reel NCP4625HSN12T1G 1.2 v standard faa sot ? 23 (pb ? free) 3000 / tape & reel ncp4625hsn18t1g 1.8 v standard fah sot ? 23 (pb ? free) 3000 / tape & reel ncp4625hsn28t1g 2.8 v standard fau sot ? 23 (pb ? free) 3000 / tape & reel ncp4625hsn30t1g 3.0 v standard fax sot ? 23 (pb ? free) 3000 / tape & reel ncp4625hsn33t1g 3.3 v standard gaa sot ? 23 (pb ? free) 3000 / tape & reel ncp4625hsn50t1g 5.0 v standard gat sot ? 23 (pb ? free) 3000 / tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specifications brochure, brd8011/d.
ncp4625 http://onsemi.com 15 package dimensions notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. 419a ? 01 obsolete. new standard 419a ? 02. 4. dimensions a and b do not include mold flash, protrusions, or gate burrs. dim a min max min max millimeters 1.80 2.20 0.071 0.087 inches b 1.15 1.35 0.045 0.053 c 0.80 1.10 0.031 0.043 d 0.10 0.30 0.004 0.012 g 0.65 bsc 0.026 bsc h --- 0.10 --- 0.004 j 0.10 0.25 0.004 0.010 k 0.10 0.30 0.004 0.012 n 0.20 ref 0.008 ref s 2.00 2.20 0.079 0.087 b 0.2 (0.008) mm 12 3 4 5 a g s d 5 pl h c n j k ? b ? sc ? 88a (sc ? 70 ? 5/sot ? 353) case 419a ? 02 issue k
ncp4625 http://onsemi.com 16 package dimensions sot ? 89, 5 lead case 528ab ? 01 issue o mounting footprint* recommended c 0.10 top view side view bottom view c h 1 dim min max millimeters a 1.40 1.60 b1 0.37 0.57 b 0.32 0.52 c 0.30 0.50 d 4.40 4.60 d2 1.40 1.80 e 2.40 2.60 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. lead thickness includes lead finish. 4. dimensions d and e do not include mold flash, protrusions, or gate burrs. 5. dimensions l, l2, l3, l4, l5, and h are meas- ured at datum plane c. e 1.40 1.60 l 1.10 1.50 h 4.25 4.45 l2 0.80 1.20 l3 0.95 1.35 l4 0.65 1.05 l5 0.20 0.60 *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. d e a c 23 54 l l5 e e b b1 l2 d2 l4 l3 2x 0.62 dimensions: millimeters 1 2x 1.50 1.30 2.79 0.45 1.50 1.65 4.65 4x 0.57 1.75 1
ncp4625 http://onsemi.com 17 package dimensions sot ? 23 5 ? lead case 1212 ? 01 issue a dim min max millimeters a1 0.00 0.10 a2 1.00 1.30 b 0.30 0.50 c 0.10 0.25 d 2.70 3.10 e 2.50 3.10 e1 1.50 1.80 e 0.95 bsc l l1 0.45 0.75 notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimensions: millimeters. 3. datum c is the seating plane. a 1 5 23 4 d e1 b l1 e e c m 0.10 c s b s a b 5x a2 a1 s 0.05 c l 0.20 --- *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* 0.95 dimensions: millimeters pitch 5x 3.30 0.56 5x 0.85 a --- 1.45 recommended a on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5817 ? 1050 ncp4625/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative

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