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r1500x series 500ma ldo regulator (operating voltage up to 24v) no.ea-151-100401 1 outline the r1500x series are cmos -based positive voltage regul ator (vr) ics. the r1500 xxxxb has features of high input voltage operating, 500ma output cu rrent drive, and low supply current. a dmos transistor is used for the driver, high voltage operating and low on resistance (0.6 ? at v out =10v) device is realized. a standard regulator circuit with a cu rrent limit circuit and a thermal shutdown circuit are built in the r1500x series. as the operating temperature range is from -40c to 105c and maximum input voltage is up to 24v, the r1500x series are suitable for the const ant voltage source for car accessories. the regulator output voltage is fixed in the r1500x. output voltage accuracy is 2.0% and output voltage range is from 3.0v to 12.0v with a step of 0.1v. the chip enable pin realizes ultra low supply current standby mode. since the packages for these ics ar e the sot-89-5 for high density mount ing of the ics on boards, and the to-252-5-p2. ? ) the dmos (double diffused mos) transistor adopted by r150 0x is characterized by a double diffusion structure which comprises a low density n-type (channel) diffused layer and a high density p-type (sources) diffused layer from the edge of the gate electrode. the r1500 x series possess outstanding properties of hi gh operating voltage and low on-resistance, which have been achieved by the channel length scaled down to submicron dimensions and decreased thickness of the gate oxide film. features ? input voltage range ...................................................4.0v to 24.0v ? supply curre nt .............................................................typ. 70 a ? standby current ...........................................................typ. 0.1 a ? ripple rejacti on .........................................................typ. 60db (v out = 5.0v) ? temperature-drift coefficient of output voltage ..........typ. 100ppm/ c ? output curren t..............................................................min. 500ma (v in = v out +1v) ? line regulation ............................................................typ. 0.05%/v ? output voltage accuracy.............................................. 2% ? output voltage..............................................................3.0v to 12.0v (0.1v steps) ( for other voltages, please refer to mark informations.) ? packages......................................................................sot-89 -5, to-252-5-p2 ? built-in current limit circuit ? built-in fold-back circuit ? built-in thermal shutdown circuit ? operating tem perature range ...................................... ? 40 c to 105 c applications ? power source for home appliances such as refrigerat ors, rice cookers, electric water warmers, etc. ? power source for car audio equipment, ca r navigation system, etc system, etc. ? power source for notebook pcs, digital tvs, cordless phones, and private lan system, etc. ? power source for office equipment machines such as c opiers, printers, facsimiles, scanners, projectors, etc.
r1500x 2 block diagrams r1500xxxxb v dd v out ce gnd current limit short protection vref thermal shutdown circuit selection guide the output voltage, package for the ics can be selected at the user?s request. product name package quantity per reel pb free halogen free r1500hxxxb-t1-fe sot-89-5 1,000 pcs yes yes r1500jxxxb-t1-fe to-252 -5-p2 3,000 pcs yes yes xxx : the output voltage can be designa ted in the range from 3.0v(030) to 12.0v(120) in 0.1v steps. (for other voltages, please refer to mark informations.)
r1500x 3 pin configurations ? sot-89-5 ? to-252-5-p2 1 3 5 4 2 1 2 3 4 5 pin descriptions ? sot-89-5 pin no. symbol description 1 v dd input pin 2 gnd* ground pin 3 gnd* ground pin 4 ce chip enable pin ("h" active) 5 v out output pin ? ) the gnd pin must be wired togethe r when it is mounted on board. ? to-252-5-p2 pin no. symbol description 1 v dd input pin 2 gnd* ground pin 3 gnd* ground pin 4 ce chip enable pin ("h" active) 5 v out output pin ? ) the gnd pin must be wired togethe r when it is mounted on board.
r1500x 4 absolute maximum ratings symbol item rating unit v in input voltage 36 v v ce input voltage (ce pin) ? 0.3 to v in < = 36 v v out output voltage ? 0.3 to v in < = 36 v power dissipation (sot-89-5)* 900 p d power dissipation (to-252-5-p2)* 1900 mw t opt operating temperature range ? 40 to 105 c t stg storage temperature range ? 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.
r1500x 5 electrical characteristics ? r1500xxxxb topt = 25 c symbol item conditions min. typ. max. unit v in input voltage 4 24 v i ss supply current v in = v out + 1.0v, v in =v ce 70 130 a i standby standby current v in = 24v 0.1 1.0 a v out output voltage v in = v out + 1.0v, i out = 100ma 0.98 1.02 v v out / i out load regulation v in = v out + 2.0v, 0.1ma < = < = v out / v in line regulation v out + 1v < = < = = 10ma 0.05 0.1 %/v 3.0v < = < = = 200ma 9.0v < = < = v out / t opt output voltage temperature coefficient v in = v out + 2.0v, i out = 100 a ? 40 c < = < = c 100 ppm / c i lim output current v in = v out + 1.0v 500 ma i sc short current limit v out = 0v 65 ma v out < = c t tsr thermal shutdown released temperature junction temperature 135 c 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.
r1500x 6 typical application c1 r1500x series v dd v out ce gnd c2 v out c1=ceramic 0.47 f (external components) c2: ceramic 10 f murata: grm32db31e106k (size: 3225) technical notes when using these ics, consider the following points: phase compensation in these ics, phase compensation is made for securing stable operation even if the load current is varied. for this purpose, use a capacitor c2 with good frequency ch aracteristics and esr (equivalent series resistance). if you use a tantalum type capacitor and esr value of t he capacitor is large, output might be unstable. evaluate your circuit with considering frequency characteristics. depending on the capacitor size, manufacturer, and pa rt number, the bias characteristics and temperature characteristics are different. evaluate the circuit with actual using capacitors. pcb layout make v dd and gnd lines sufficient. if their impedance is hi gh, noise pickup or unstable operation may result. connect a capacitor c1 with a capacitance value as much as 0.47 f or more between v dd and gnd pin, and as close as possible to the pins. set external components, especially the output capacitor c2, as close as possible to the ics, and make wiring as short as possible. no.2 pin and no.3 pin of sot-89-5 and to-252-5-p2 package must be wired to the gnd plane when it is mounted on board. thermal shutdown there is the built-in thermal-shutdown function in r1 500x series. it discontinues operation of the ic when the junction temperature becomes over 160 c (typ.) and ic re-operates when the junction temperature under 135 c. if the temperature increasing keeps the ic repeats on and off operating. the output becomes the pulse condition.
r1500x 7 typical application for preventing ic destruction c1: 0.47 f or more (preventing for unstable operation) c2: 10 f or more (preventing for unstable operation) d1: if v out pin could be higher than v in pin, d1 is necessary. d2: if v out pin could be lower than gnd pin, sbd is necessary. note: do not force the voltage to v out pin. c1 r1500x series v dd v out ce gnd c2 v out d1 d2
r1500x 8 test circuits c1 r1500x series v dd v out ce gnd v c2 v out i out c1=ceramic 0.47 f basic test circuit c1 r1500x series v dd v out ce gnd c2 a i ss c1=ceramic 0.47 f v out test circuit for supply current r1500x series v dd v out ce gnd c2 pulse generator i out c2=ceramic 10 test circuit for ripple reject ion, input transient response
r1500x 9 c1 r1500x series v dd v out ce gnd c2 i outa i outb c1=ceramic 0.47 f v out test circuit for load transient response r1500x series v dd v out ce gnd c2 pulse generator i out p. g. c1 ? ce pin input waveform 0v set v out + 1.0v c1=ceramic 0.47 f c2=ceramic 10 f test circuit for turn on speed with ce pin
r1500x 10 typical characteristics 1) output voltage vs. output current (c1 = ceramic 0.47 f, c2 = ceramic 10 f, topt = 25 c) r1500x030b r1500x050b 0 600 200 800 400 1000 output current i out (ma) output voltage v out (v) 0 3.5 2.5 2.0 1.5 3.0 1.0 0.5 v in= 3.5v v in= 4.0v v in= 5.0v v in= 6.0v 0 600 200 800 400 1000 output current i out (ma) output voltage v out (v) 0 6 5 4 3 2 1 v in= 5.5v v in= 6.0v v in= 7.0v v in= 9.0v r1500x090b r1500x120b 0 600 200 800 400 1000 output current i out (ma) output voltage v out (v) 0 10 8 6 4 2 v in= 9.5v v in= 10.0v v in= 12.0v v in= 14.0v 0 600 200 800 400 1000 output current i out (ma) output voltage v out (v) 0 14 10 8 6 12 4 2 v in= 12.5v v in= 13.0v v in= 15.0v v in= 16.0v 2) output voltage vs. input voltage (c1 = ceramic 0.47 f, c2 = ceramic 10 f, topt = 25 c) r1500x030b r1500x050b 03 14 25 input voltage v in (v) output voltage v out (v) 0 3.5 2.5 2.0 1.5 3.0 1.0 0.5 i out= 0.1ma i out= 100ma i out= 500ma 04 16 257 38 input voltage v in (v) output voltage v out (v) 0 6 5 4 3 2 1 i out= 0.1ma i out= 100ma i out= 500ma
r1500x 11 r1500x090b r1500x120b 08 24 10 612 input voltage v in (v) output voltage v out (v) 0 10 8 6 4 2 i out= 0.1ma i out= 100ma i out= 500ma 09 312 615 input voltage v in (v) output voltage v out (v) 0 14 10 8 6 12 4 2 i out= 0.1ma i out= 100ma i out= 500ma 3) supply current vs. input voltage (c1 = ceramic 0.47 f, c2 = ceramic 10 f, topt = 25 c) r1500x030b r1500x050b 03 14 25 input voltage v in (v) supply current i ss ( a) 0 80 50 40 30 60 70 20 10 06 24 8 input voltage v in (v) supply current i ss ( a) 0 80 50 40 30 60 70 20 10 r1500x090b r1500x120b 06 2810 412 input voltage v in (v) supply current i ss ( a) 0 80 50 40 30 60 70 20 10 09 312 615 input voltage v in (v) supply current i ss ( a) 0 80 50 40 30 60 70 20 10
r1500x 12 4) output voltage vs. temperature (c1 = ceramic 0.47 f, c2 = ceramic 10 f, i out = 100ma) r1500x030b r1500x050b -40 -25 75 50 0 25 105 temperature topt ( c) output voltage v out (v) 2.7 3.3 3.2 3.1 3.0 2.9 2.8 v in =4.0v -40 -25 75 50 0 25 105 temperature topt ( c) output voltage v out (v) 4.5 5.5 5.4 5.2 5.3 5.1 5.0 4.8 4.9 4.7 4.6 v in =6.0v r1500x090b r1500x120b -40 -25 75 50 0 25 105 temperature topt ( c) output voltage v out (v) 8.5 9.5 9.4 9.2 9.0 8.8 8.6 9.3 9.1 8.9 8.7 v in =10.0v -40 -25 75 50 0 25 105 temperature topt ( c) output voltage v out (v) 11.5 12.5 12.3 12.1 11.9 11.7 12.4 12.2 12.0 11.8 11.6 v in =13.0v 5) supply current vs. temperature (c1 = ceramic 0.47 f, c2 = ceramic 10 f, i out = 0ma) r1500x030b r1500x050b -40 -25 75 50 0 25 105 temperature topt ( c) supply current i ss ( a) 40 80 70 60 75 65 55 50 45 v in =4.0v -40 -25 75 50 0 25 105 temperature topt ( c) supply current i ss ( a) 50 90 80 70 85 75 65 60 55 v in =6.0v
r1500x 13 r1500x090b r1500x120b -40 -25 75 50 0 25 105 temperature topt ( c) supply current i ss ( a) 50 90 80 70 85 75 65 60 55 v in =10.0v -40 -25 75 50 0 25 105 temperature topt ( c) supply current i ss ( a) 50 90 80 70 85 75 65 60 55 v in =13.0v 6) dropout voltage vs. output current (c1 = ceramic 0.47 f, c2 = ceramic 10 f) r1500x030b r1500x050b 0 300 400 200 100 500 output current i out (ma) dropout voltage v dif (mv) 0 600 500 400 300 200 100 110 c 25 c -40 c 0 300 400 200 100 500 output current i out (ma) dropout voltage v dif (mv) 0 500 400 300 200 100 110 c 25 c -40 c r1500x090b r1500x120b 0 300 400 200 100 500 output current i out (ma) dropout voltage v dif (mv) 0 500 400 300 200 100 110 c 25 c -40 c 0 300 400 200 100 500 output current i out (ma) dropout voltage v dif (mv) 0 500 400 300 200 100 110 c 25 c -40 c
r1500x 14 7) dropout voltage vs. set output voltage (c1 = ceramic 0.47 f, c2 = ceramic 10 f, topt = 25 c) 21012 8 6 414 set output voltage v reg (v) dropout voltage v dif (mv) 0 400 300 200 100 350 250 150 50 500ma 400ma 300ma 200ma 100ma 10ma 8) ripple rejection vs. input bias voltage ( c1 = none, c2 = ceramic 10 f, i out = 100ma, topt = 25 c ) r1500x050b r1500x050b 41014 12 16 8 618 input voltage v in (v) ripple rejection rr (db) 0 100 80 60 40 20 90 70 50 30 10 120hz 1khz 10khz ripple=0.5vp-p 41014 12 16 8 618 input voltage v in (v) ripple rejection rr (db) 0 100 80 60 40 20 90 70 50 30 10 120hz 1khz 10khz ripple=0.2vp-p 9) ripple rejection vs. frequency (c1 = none, c2 = ceramic 10 f, ripple = 0.5v p-p ) r1500x030b r1500x050b 1ma 100ma 300ma 0 10 20 30 110 70 40 90 50 80 100 60 v in =4.0v frequency f (khz) ripple rejection rr (db) 0.1 10 100 1 1000 1ma 100ma 300ma 0 10 20 30 110 70 40 90 50 80 100 60 v in =6.0v frequency f (khz) ripple rejection rr (db) 0.1 10 100 1 1000
r1500x 15 r1500x090b r1500x120b 1ma 100ma 300ma 0 10 20 30 110 70 40 90 50 80 100 60 v in =10.0v frequency f (khz) ripple rejection rr (db) 0.1 10 100 1 1000 1ma 100ma 300ma 0 10 20 30 110 70 40 90 50 80 100 60 v in =13.0v frequency f (khz) ripple rejection rr (db) 0.1 10 100 1 1000 10) input transient response (c1 = none, c2 = ceramic 10 f, i out = 100ma, tr = tf = 10 s, topt = 25 c) r1500x030b r1500x050b 200 100 150 050 4 8 2.8 2.9 3.0 3.1 12 time t ( s) input voltage v in (v) output voltage v out (v) output voltage input voltage 4v 8v 200 100 150 050 6 10 4.8 4.9 5.0 5.1 14 time t ( s) input voltage v in (v) output voltage v out (v) output voltage input voltage 6v 10v r1500x090b r1500x120b 200 100 150 050 10 14 8.8 8.9 9.0 9.1 18 input voltage v in (v) output voltage v out (v) time t ( s) output voltage input voltage 10v 14v input voltage 14v 19v 200 50 150 0 100 output voltage v out (v) output voltage 13 17 11.9 12.0 12.1 input voltage v in (v) 21 time t ( s)
r1500x 16 11) load transient response (c1 = ceramic 0.47 f, c2 = ceramic 10 f, tr = tf = 0.5 s, topt = 25 c) r1500x030b r1500x050b 160 40 120 080 60 140 100 20 output voltage v out (v) output voltage 0 250 500 2.85 3.00 3.05 2.90 2.95 output current i out (ma) 750 time t ( s) output current 50ma 500ma v in =4.0v 160 40 120 080 60 140 100 20 output voltage v out (v) output voltage 0 250 500 4.85 5.00 5.05 4.90 4.95 output current i out (ma) 750 time t ( s) output current 50ma 500ma v in =6.0v r1500x090b r1500x120b 160 40 120 080 60 140 100 20 output voltage v out (v) output voltage 0 250 500 8.80 8.95 9.10 9.05 9.00 8.85 8.90 output current i out (ma) 750 time t ( s) output current 50ma 500ma v in =2.2v 160 40 120 080 60 140 100 20 output voltage v out (v) output voltage 250 0 500 11.7 12.0 12.1 11.8 11.9 output current i out (ma) 750 time t ( s) output current 50ma 500ma v in =2.2v 12) turn on speed with ce pin (c1 = ceramic 0.47 f, c2 = ceramic 10 f, topt = 25 c) r1500x030b r1500x030b 400 200 0 300 100 output voltage v out (v) output voltage 2 0 4 0 3 1 2 ce input voltage v ce (v) 6 time t ( s) ce input voltage i out =100ma 400 200 0 300 100 output voltage v out (v) output voltage 2 0 4 0 3 1 2 ce input voltage v ce (v) 6 time t ( s) ce input voltage i out =500ma
r1500x 17 r1500x050b r1500x050b 400 200 0 300 100 output voltage v out (v) output voltage 3 0 6 0 6 2 4 ce input voltage v ce (v) 9 time t ( s) ce input voltage i out =100ma 800 400 0 600 200 output voltage v out (v) output voltage 3 0 6 0 6 2 4 ce input voltage v ce (v) 9 time t ( s) ce input voltage i out =500ma r1500x090b r1500x090b 800 400 0 600 200 500 100 700 300 output voltage v out (v) output voltage 5 0 10 0 9 3 6 ce input voltage v ce (v) 15 time t ( s) ce input voltage i out =100ma 800 400 0 600 200 500 100 700 300 output voltage v out (v) output voltage 5 0 10 0 9 3 6 ce input voltage v ce (v) 15 time t ( s) ce input voltage i out =500ma r1500x120b r1500x120b 800 400 0 600 200 500 100 700 300 output voltage v out (v) output voltage 5 0 10 0 9 12 3 6 ce input voltage v ce (v) 15 time t ( s) ce input voltage i out =100ma 1400 800 0 1200 400 1000 200 600 output voltage v out (v) output voltage 5 0 10 0 9 12 3 6 ce input voltage v ce (v) 15 time t ( s) ce input voltage i out =500ma
r1500x 18 13) turn off speed with ce (c1 = ceramic 0.47 f, c2 = ceramic 10 f, i out = 500ma, topt = 25 c) r1500x030b r1500x050b 600 300 500 100 400 0 200 output voltage v out (v) output voltage 2 0 4 0 3 1 2 ce input voltage v ce (v) 6 time t ( s) ce input voltage 700 300 500 600 100 400 0 200 output voltage v out (v) output voltage 2 4 0 6 0 5 1 3 2 4 ce input voltage v ce (v) 8 time t ( s) ce input voltage r1500x090b r1500x120b 1750 750 1250 1500 250 1000 0 500 output voltage v out (v) output voltage 5 10 0 0 9 3 6 ce input voltage v ce (v) 15 time t ( s) ce input voltage 3500 1500 2500 3000 500 2000 0 1000 output voltage v out (v) output voltage 5 10 0 0 3 9 6 12 ce input voltage v ce (v) 15 time t ( s) ce input voltage
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