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r1154x series 150ma voltage regulator (wide input voltage range) no.ea-100-100531 1 outline the r1154x series are cmos-based voltage regulator (vr) ics. the r1154x has features of high output voltage accuracy and ultra-low supply current. a peak curr ent limit circuit, a short current limit circuit, and a thermal shutdown circuit are built in the r1154x series. the regulator output voltage is fixed in the r1154xxxxb, while adjustable type is the r1154x001c. output voltage accuracy is 2.0%. since the packages for these ics are dfn1616-6, sot- 23-5, and sot-89-5, high density mounting of the ics on boards is possible. features ? supply current .................................................typ. 5.0 a ? standby current ...............................................typ. 0.1 a ? output voltage accuracy.................................. 2.0% ? wide output voltage ra nge ............................2.5v to 12.0v (0 .1v steps) (xxxb) adjustable in the range of 2.5v to v in or 24.0v (001c) ( for other voltages, please refer to mark informations.) ? input voltage ....................................................max. 24.0v ? output current .................................................min. 140ma (v in = v out + 2.0v, 2.5v output type) min. 150ma (v in = v out + 2.0v, 3.0v output type) ? package ...........................................................dfn 1616-6, sot-23-5, sot-89-5 ? built-in peak current limit circuit ? built-in short current limit circuit ? built-in thermal shutdown circuit applications ? power source for home appliances such as refrigerat ors, rice cookers, electronic water warmers, etc. ? power source for car audio equipment, car navigation system, and etc system. ? power source for notebook pcs, digita l tvs, cordless phones, and lan system. ? power source for copiers, printers, facsimiles, and scanners.
r1154x 2 block diagrams r1154xxxxb r1154x001c fixed output type adjustable output type v out gnd v in ce vref thermal protection short protection + - peak current protection v out gnd v in ce vref thermal protection short protection + - peak current protection adj selection guide the output voltage can be selected at the user?s request. product name package quantity per reel pb free halogen free r1154lxxx ? -tr dfn1616-6 5,000 pcs yes yes r1154nxxx ? -tr-fe sot-23-5 3,000 pcs yes yes r1154hxxx ? -t1-fe sot-89-5 1,000 pcs yes yes xxx : the output voltage can be designated in the rang e from 2.5v(025) to 12.0v(120) in 0.1v steps. (for other voltages, please refer to mark informations.) the output voltage adjustable type is fixed at 001 (reference voltage = 2.5v) ? : (b) fixed output type (c) adjustable output type
r1154x 3 pin configuration ? dfn1616-6 ? sot-23-5 ? sot-89-5 top view 3 4 2 5 1 6 bottom view 1 6 2 5 3 4 ? 1 4 5 23 (mark side) 13 54 2 pin description ? dfn1616-6 pin no symbol description 1 v dd input pin 2 nc no connection 3 v out voltage regulator output pin 4 ce chip enable pin nc r1154lxxxb (b version) no connection 5 adj r1154l001c (c version) reference voltage of adjustable output pin 6 gnd ground pin ? ) tab is gnd level. (they are connected to the reverse side of this ic.) the tab is better to be connected to the gn d, but leaving it open is also acceptable. ? sot-23-5 pin no symbol description 1 v out voltage regulator output pin 2 gnd ground pin 3 v dd input pin nc r1154nxxxb (b version) no connection 4 adj r1154n001c (c version) reference voltage of adjustable output pin 5 ce chip enable pin ? sot-89-5 pin no symbol description 1 v out voltage regulator output pin 2 gnd ground pin 3 ce chip enable pin nc r1154hxxxb (b version) no connection 4 adj r1154h001c (c version) reference voltage of adjustable output pin 5 v dd input pin
r1154x 4 absolute maximum ratings symbol item rating unit v in input voltage 26.0 v v ce input voltage (ce input pin) ? 0.3 to v in + 0.3 v v out output voltage ? 0.3 to v in + 0.3 v v adj output voltage (adj pin) ? 0.3 to v in + 0.3 v i out output current 250 ma power dissipation (dfn1616-6) ? 640 power dissipation (sot-23-5) ? 420 p d power dissipation (sot-89-5) ? 900 mv t opt operating temperature ? 40 to + 105 c t stg storage temperature ? 55 to + 125 c ? ) for power dissipation please refer to package information. absolute maximum ratings electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the life time and safe ty for both device and sy stem using the device in the field. the functional operation at or over these absolute maximum ratings is not assured.
r1154x 5 electrical characteristics ? r1154xxxxb topt = 25 c symbol item conditions min. typ. max. unit v in input voltage 24 v v out output voltage v in = v out + 2.0v, i out = 20ma 0.98 1.02 v i out output current v in ? v out = 2.0v refer to the following table i ss supply current v in = v ce , v in ? v out = 2.0v 5 10 a i standby standby current v in = 24v, v ce = 0v 0.1 1.0 a v out / i out load regulation v in ? v out = 2.0v, 1ma i out 40ma refer to the following table v out / v in line regulation i out = 20ma v out + 1v v in 24v 0.05 0.20 %/v v dif dropout voltage i out = 20ma refer to the following table v out / t opt output voltage temperature coefficient v in ? v out = 2.0v, i out = 20ma ? 40c t opt 105c 100 ppm/ c i sc short current limit v out = 0v 45 ma v ceh ce ?h? input voltage 2.1 v in v v cel ce ?l? input voltage 0 0.3 v t sd thermal shutdown temperature junction temperature 150 c t sr thermal shutdown released temperature junction temperature 125 c ? output current (t opt = 25c) output current (ma) output voltage v out (v) min. 2.5 v out 2.9 140 3.0 v out 12.0 150 ? load regulation (t opt = 25c) load regulation (mv) output voltage v out (v) typ. max. 2.5 v out 3.0 20 50 3.1 v out 5.0 30 75 5.1 v out 12.0 40 115 ? dropout voltage (t opt = 25c) dropout voltage (v) output voltage v out (v) typ. max. 2.5 v out 7.0 0.20 0.40 7.1 v out 10.0 0.25 0.50 10.1 v out 12.0 0.30 0.55
r1154x 6 ? r1154x001c topt = 25 c symbol item conditions min. typ. max. unit v in input voltage 24 v v out output voltage v in = v out + 2.0v, i out = 20ma 2.45 2.50 2.55 v i out output current v in = v out + 2.0v 140 ma i ss supply current v in = v out + 2.0v, v ce = v in 5 10 a i standby standby current v in = 24v, v ce = 0v 0.1 1.0 a v out / i out load regulation v in = v out + 2.0v, 1ma i out 40ma 20 50 mv v out / v in line regulation v out + 1v v in 24v, i out = 20ma 0.05 0.20 %/v v dif dropout voltage i out = 20ma 0.20 0.40 v v out / t opt output voltage temperature coefficient v in = v out + 2.0v, i out = 20ma, ? 40c t opt 105c 100 ppm/ c i sc short current limit v out = 0v 45 ma v ceh ce ?h? input voltage 2.1 v in v v cel ce ?l? input voltage 0 0.3 v t sd thermal shutdown temperature junction temperature 150 c t sr thermal shutdown released temperature junction temperature 125 c the above specifications measured at the condition of v out = v adj . recommended operating conditions (electrical characteristics) all of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. the semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. and the semiconductor de vices may receive serious damage when they continue to operate over the recommended operating conditions.
r1154x 7 typical applications ce c in in out c out v in v out gnd ce c in in out c out v in adj v out gnd fixed output voltage type adjustable type test circuits ce c in in out i out c out v dd v out gnd r1154xxxxb series ce c in in out i ss c out v dd v out gnd r1154xxxxb series r1154xxxxb standard test circuit r1154xxxxb supply current test circuit ce in out i out c out v dd v out gnd r1154xxxxb series p .g. ce c in in out c out i1 i2 v dd v out gnd r1154xxxxb series r1154xxxxb input transient response test circuit r1154xxxxb load regulation test circuit
r1154x 8 ce c in in out i out c out v dd v out adj gnd r1154x001c series r1 r2 ce c in in out i ss c out v dd v out adj gnd r1154x001c series r1 r2 r1154x001c standard test circuit r1154x001c supply current test circuit ce in out i out c out v dd v out adj gnd r1154x001c series r1 r2 p .g. ce c in in out c out v dd v out adj gnd r1154x001c series r1 r2 i1 i2 r1154x001c input transient response test circuit r1154x001c load transient response test circuit
r1154x 9 typical characteristics 1) output voltage vs. output current r1154x025b r1154x025b 3 2 1.5 2.5 1 0.5 0 output voltage v out (v) 0 200 100 300 output current i out (ma) v in =3.5v 4.0v 4.5v 5.5v topt=25?c 3 2 1.5 2.5 1 0.5 0 output voltage v out (v) 0 200 100 300 output current i out (ma) -40?c 105?c 25?c v in =4.5v r1154x030b r1154x030b 3.5 3 2 1.5 2.5 1 0.5 0 output voltage v out (v) 0 200 100 300 output current i out (ma) v in =4.0v 4.5v 5.0v 6.0v topt=25?c 3.5 3 2 1.5 2.5 1 0.5 0 output voltage v out (v) 0 200 100 300 output current i out (ma) -40?c 105?c 25?c v in =5.0v r1154x050b r1154x050b 6 4 3 5 2 1 0 output voltage v out (v) 0 200 100 300 output current i out (ma) v in =6.0v 6.5v 7.0v 8.0v topt=25?c 6 4 3 5 2 1 0 output voltage v out (v) 0 200 100 300 output current i out (ma) 25?c 105?c -40?c v in =7.0v
r1154x 10 r1154x090b r1154x090b 10 4 3 5 6 7 8 9 2 1 0 output voltage v out (v) 0 200 100 300 output current i out (ma) v in =10.0v 12v 11v 10.5v topt=25?c 10 4 3 5 6 7 8 9 2 1 0 output voltage v out (v) 0 50 150 250 200 100 300 output current i out (ma) -40?c 25?c 105?c v in =11.0v 2) input voltage vs. output voltage (t opt = 25c) r1154x025b r1154x030b 3.5 3 2.5 2 1.5 output voltage v out (v) 020 15 10 525 input voltage v in (v) i out =1ma i out =20ma i out =40ma 4 3.5 3 2.5 2 output voltage v out (v) 020 15 10 525 input voltage v in (v) i out =1ma i out =20ma i out =40ma r1154x050b r1154x090b 6 5.5 5 4.5 4 output voltage v out (v) 020 15 10 525 input voltage v in (v) i out =1ma i out =20ma i out =40ma 10 9.5 9 8.5 8 output voltage v out (v) 020 15 10 525 input voltage v in (v) i out =1ma i out =20ma i out =40ma
r1154x 11 3) dropout voltage vs. output current r1154x025b r1154x030b 2.5 2 1.5 1 0.5 0 dropout voltage v dif (v) 0 120 100 140 80 60 40 20 160 output current i out (ma) topt=105?c 25?c -40?c 2.5 2 1.5 1 0.5 0 dropout voltage v dif (v) 0 120 100 140 80 60 40 20 160 output current i out (ma) topt=105?c 25?c -40?c r1154x050b r1154x090b 2.5 2 1.5 1 0.5 0 dropout voltage v dif (v) 0 120 100 140 80 60 40 20 160 output current i out (ma) topt=105?c -40?c 25?c 2.5 2 1.5 1 0.5 0 dropout voltage v dif (v) 0 120 100 140 80 60 40 20 160 output current i out (ma) topt=105?c 25?c -40?c 4) output voltage vs. temperature r1154x025b r1154x030b 2.60 2.55 2.50 2.45 2.40 output voltage v out (v) -50 50 0 100 temperature topt(?c) v in =4.5v, i out =20ma 3.10 3.05 3.00 2.95 2.90 output voltage v out (v) -50 50 0 100 temperature topt(?c) v in =5.0v, i out =20ma
r1154x 12 r1154x050b r1154x090b 5.2 5.1 5.0 4.9 4.8 output voltage v out (v) -50 50 0 100 temperature topt(?c) v in =7.0v, i out =20ma 9.4 9.2 9.0 8.8 8.6 output voltage v out (v) -50 50 0 100 temperature topt(?c) v in =11.0v, i out =20ma 5) supply current vs. input voltage (t opt = 25c) r1154x025b r1154x030b 12 8 10 4 6 2 0 supply current i ss ( a) 020 15 10 525 input voltage v in (v) 12 8 10 4 6 2 0 supply current i ss ( a) 020 15 10 525 input voltage v in (v) r1154x050b r1154x090b 12 8 10 4 6 2 0 supply current i ss ( a) 020 15 10 525 input voltage v in (v) 12 8 10 4 6 2 0 supply current i ss ( a) 020 15 10 525 input voltage v in (v)
r1154x 13 6) supply current vs. temperature r1154x025b r1154x030b 12 8 10 4 6 2 0 supply current i ss ( a) -50 100 50 0 temperature topt(?c) v in =4.5v 12 8 10 4 6 2 0 supply current i ss ( a) -50 100 50 0 temperature topt(?c) v in =5.0v r1154x050b r1154x090b 12 8 10 4 6 2 0 supply current i ss ( a) -50 100 50 0 temperature topt(?c) v in =7.0v 12 8 10 4 6 2 0 supply current i ss ( a) -50 100 50 0 temperature topt(?c) v in =11.0 v 7) input transient response (i out = 20ma, c out = 0.1f, t opt = 25c) r1154x025b -2 2 0 4 6 8 10 12 14 10 8 6 4 0 2 15 10 5 0 -10 -5 time t(ms) output voltage v out (v) input voltage v in (v) input voltage output voltage
r1154x 14 r1154x030b -2 2 0 4 6 8 10 12 14 10 8 6 4 0 2 15 10 5 0 -10 -5 time t(ms) output voltage v out (v) input voltage v in (v) input voltage output voltage r1154x050b -2 0 -1 123456 20 16 18 12 14 8 10 0 4 6 2 15 10 5 0 -10 -5 time t(ms) output voltage v out (v) input voltage v in (v) input voltage output voltage r1154x090b -2 0 -1 123456 24 20 22 16 18 12 14 4 8 10 6 20 10 15 5 0 -5 time t(ms) output voltage v out (v) input voltage v in (v) input voltage output voltage
r1154x 15 8) load transient response (c out = 0.1 f, t opt = 25 c) r1154x025b -0.5 0.5 0 1 1.5 2 2.5 3 7 5 6 1 3 4 2 30 10 0 20 -10 -20 -30 time t(ms) output voltage v out (v) output current i out (ma) output current 20ma 1ma output voltage v in =4.5v r1154x030b -0.5 0.5 0 1 1.5 2 2.5 3 8 6 7 2 4 5 3 30 10 0 20 -10 -20 -30 time t(ms) output voltage v out (v) output current i out (ma) output current 20ma 1ma output voltage v in =5.0v r1154x050b -0.5 0.5 0 1 1.5 2 2.5 3 9 7 8 3 5 6 4 30 10 0 20 -10 -20 -30 time t(ms) output voltage v out (v) output current i out (ma) output current 20ma 1ma output voltage v in =7.0v
r1154x 16 r1154x090b -0.5 0.5 0 1 1.5 2 2.5 3 13 11 12 7 9 10 8 30 10 0 20 -10 -20 -30 time t(ms) output voltage v out (v) output current i out (ma) output current 20ma 1ma output voltage v in =11.0v 9) thermal shutdown characteristics r1154x050b 04080 20 60 100 120 140 160 180 junction temperature tjct( c) 0 1 2 3 4 5 8 7 6 output voltage v out (v) v in =10v, i out =1ma
r1154x 17 technical notes phase compensation phase compensation of the r1154x series has been m ade internally for stable operation even though the load current would vary. therefore, without the capacitors, c in and c out , the output voltage is regulated, however, for more stable operation, use capacitors as c in and c out . especially, if the input line is long and impedance is high, c in is necessary, moreover, if you use c out , transient response will be improved. recommended value is in the range from 0.1 f to 2.2 f. wiring should be made as short as possible. connect the capacitor, c in between v dd pin and gnd pin and c out between v out and gnd as close as possible. ce c in v in v dd gnd r1154xxxxb series c out v out i out ce c in v in v dd gnd r1154x001c series c out i out v out adj r1 r2 r1154xxxxb typical application r1154xxxxc typical application thermal shutdown thermal shutdown function is included in the r1154x series, if the junction temperature is equal or more than + 150 c(typ.), the operation of regulator would stop. after that, when the junction temperature is equal or less than + 125 c(typ.), the operation of regulator would restar t. unless the cause of rising temperature would remove, the regulator repeats on and off, and output waveform would be like consecutive pulses. chip enable circuit do not make voltage level of chip enable pin keep floating level, or in between v ih and v il . unless otherwise, output voltage would be unstable or indefinite , or unexpected current would flow internally. * technical notes on output voltage setting of c type figure 1. adjustable regulator (c type) gnd r1 r ic v out adj r2 i1 i2 2.5v v out i ic
r1154x 18 the output voltage of regulator in r1154xxxxc ma y be adjustable for any output voltage between its 2.5v reference and its v dd setting level. an external pair of resistors is required, as shown in figure 1. the complete equation for the output voltage is described step by step as follows; i1 = i ic + i2 ............................................................................................................................. ........(1) i2 = 2.5/r2......................................................................................................................... ..........(2) thus, i1 = i ic + 2.5/r2......................................................................................................................... .....(3) therefore, v out = 2.5 + r1 i1.........................................................................................................................(4) put equation (3) into equation (4),then v out = 2.5 + r1(i ic + 2.5/r2) = 2.5(1 + r1/r2) + r1 i ic ........................................................................................................(5) in 2nd term, or r1 i ic will produce an error in v out . in equation (5), i ic = 2.5/r ic ............................................................................................................................... ...(6) r1 i ic = r1 2.5/r ic = 2.5 r1/r ic ....................................................................................................................(7) for better accuracy, choosing r1 (< 3*$0)$0.1"/: -5% &mfduspojd%fwjdft$pnqboz ?4ijo:plpibnbp$?df *oufsobujpobm4bmft
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