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voltage regulators 1 an78mxxnsp series 3-pin positive output voltage regulator (500 ma type) overview the an78mxxnsp series is a 3-pin fixed positive output type monolithic voltage regulator housed in surface mounting package. stabilized fixed output voltage is ob- tained from unstable dc input voltage with using mini- mum external components. 9 types of fixed output volt- age are available; 5 v, 6 v, 7 v, 8 v, 9 v, 10 v, 12 v, 15 v and 18 v. they can be used widely in power circuits with current capacity up to 500 ma. features ? output voltage: 5 v, 6 v, 7 v, 8 v, 9 v, 10 v, 12 v, 15 v, 18 v ? built-in overcurrent limit circuit ? built-in thermal overload protection circuit ? built-in aso (area of safe operation) protection circuit block diagram sp-3su unit: mm 2.30 (3.00) (4.35) 5.300.10 6.500.20 (1.80) (0.20) (0.80) (2.50) 2.300.10 (5.50) 9.800.20 5.500.20 2.50 4.600.10 0.750.10 0.100.10 1.000.30 1 2 3 1.000.20 0.55 +0.10 ?0.05 error amp. current source voltage reference starter pass tr current limitter thermal protection r2 r sc r1 1 input fin output c o c i c i 0.33 f, c o 0.1 f 23 pin descriptions pin no. description 1 input input voltage pin 2 gnd ground pin (fin) 3 output output voltage pin
an78mxxnsp series voltage regulators 2 note) 1. * 1: except for the operating ambient temperature and storage temperature, all ratings are for t a = 25 c. * 2: when v cc of 35 v is applied, the overvoltage protection of aso protection circuit may shut off the output. * 3: since this ic has incorporated a current limiter, the current value does not exceed the rating. * 4: when tj exceeds 150 c (designed value), the internal circuit cuts off the output. note that the relationship between ic power dissipation and the ambient temperature must follow the derating curve. 2. this ic is not suitable for car electronics equipment. absolute maximum ratings parameter symbol range unit supply voltage * 2 v cc 35 v supply current * 3 i cc ? ma power dissipation * 4 p d ? mw operating ambient temperature * 1 t opr ? 30 to + 85 c storage temperature * 1 t stg ? 55 to + 150 c electrical characteristics at t a = 25 c ? an78m05nsp (5 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 10 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 4.8 5 5.2 v output voltage tolerance v o2 v i = 7.5 v to 20 v, i o = 5 ma to 350 ma 4.75 ? 5.25 v t j = 25 c line regulation 1 reg in1 v i = 7.5 v to 25 v, t j = 25 c ? 3 100 mv line regulation 2 reg in2 v i = 8 v to 25 v, t j = 25 c ? 150mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 20 100 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 50 mv bias current i bias t j = 25 c ? 46ma bias current fluctuation to input ? i bias(in) v i = 8 v to 25 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 8 v to 18 v, i o = 100 ma, f = 120 hz 62 ?? db ? design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed. parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 40 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature
voltage regulators an78mxxnsp series 3 electrical characteristics at t a = 25 c (continued) ? an78m06nsp (6 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 11 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 45 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 5.75 6 6.25 v output voltage tolerance v o2 v i = 8.5 v to 21 v, i o = 5 ma to 350 ma 5.7 ? 6.3 v t j = 25 c line regulation 1 reg in1 v i = 8.5 v to 25 v, t j = 25 c ? 5 100 mv line regulation 2 reg in2 v i = 9 v to 25 v, t j = 25 c ? 1.5 50 mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 20 120 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 60 mv bias current i bias t j = 25 c ? 46ma bias current fluctuation to input ? i bias(in) v i = 9 v to 25 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 9 v to 19 v, i o = 100 ma, f = 120 hz 59 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
an78mxxnsp series voltage regulators 4 electrical characteristics at t a = 25 c (continued) ? an78m07nsp (7 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 12 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 48 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 6.7 7 7.3 v output voltage tolerance v o2 v i = 9.5 v to 22 v, i o = 5 ma to 350 ma 6.65 ? 7.35 v t j = 25 c line regulation 1 reg in1 v i = 9.5 v to 25 v, t j = 25 c ? 6 100 mv line regulation 2 reg in2 v i = 10 v to 25 v, t j = 25 c ? 250mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 20 140 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 70 mv bias current i bias t j = 25 c ? 46ma bias current fluctuation to input ? i bias(in) v i = 10 v to 25 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 10 v to 20 v, i o = 100 ma, f = 120 hz 57 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
voltage regulators an78mxxnsp series 5 electrical characteristics at t a = 25 c (continued) ? an78m08nsp (8 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 14 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 48 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 7.7 8 8.3 v output voltage tolerance v o2 v i = 10.5 v to 22 v, i o = 5 ma to 350 ma 7.6 ? 8.4 v t j = 25 c line regulation 1 reg in1 v i = 10.5 v to 25 v, t j = 25 c ? 6 100 mv line regulation 2 reg in2 v i = 11 v to 25 v, t j = 25 c ? 250mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 25 160 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 80 mv bias current i bias t j = 25 c ? 4.1 6 ma bias current fluctuation to input ? i bias(in) v i = 10.5 v to 25 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 11.5 v to 21.5 v, i o = 100 ma, f = 120 hz 56 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
an78mxxnsp series voltage regulators 6 electrical characteristics at t a = 25 c (continued) ? AN78M09NSP (9 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 15 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 60 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 8.65 9 9.35 v output voltage tolerance v o2 v i = 11.5 v to 24 v, i o = 5 ma to 350 ma 8.55 ? 9.45 v t j = 25 c line regulation 1 reg in1 v i = 11.5 v to 25 v, t j = 25 c ? 7 100 mv line regulation 2 reg in2 v i = 12 v to 25 v, t j = 25 c ? 250mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 25 180 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 90 mv bias current i bias t j = 25 c ? 4.1 6 ma bias current fluctuation to input ? i bias(in) v i = 12 v to 25 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 12 v to 22 v, i o = 100 ma, f = 120 hz 56 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
voltage regulators an78mxxnsp series 7 electrical characteristics at t a = 25 c (continued) ? an78m10nsp (10 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 16 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 65 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 9.6 10 10.4 v output voltage tolerance v o2 v i = 12.5 v to 25 v, i o = 5 ma to 350 ma 9.5 ? 10.5 v t j = 25 c line regulation 1 reg in1 v i = 12.5 v to 30 v, t j = 25 c ? 7 100 mv line regulation 2 reg in2 v i = 13 v to 25 v, t j = 25 c ? 250mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 25 200 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 100 mv bias current i bias t j = 25 c ? 4.1 6 ma bias current fluctuation to input ? i bias(in) v i = 13 v to 25 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 13 v to 23 v, i o = 100 ma, f = 120 hz 56 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
an78mxxnsp series voltage regulators 8 electrical characteristics at t a = 25 c (continued) ? an78m12nsp (12 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 19 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 75 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 11.5 12 12.5 v output voltage tolerance v o2 v i = 14.5 v to 27 v, i o = 5 ma to 350 ma 11.4 ? 12.6 v t j = 25 c line regulation 1 reg in1 v i = 14.5 v to 30 v, t j = 25 c ? 8 100 mv line regulation 2 reg in2 v i = 16 v to 30 v, t j = 25 c ? 250mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 25 240 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 120 mv bias current i bias t j = 25 c ? 4.3 6 ma bias current fluctuation to input ? i bias(in) v i = 14.5 v to 30 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 15 v to 25 v, i o = 100 ma, f = 120 hz 55 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
voltage regulators an78mxxnsp series 9 electrical characteristics at t a = 25 c (continued) ? an78m15nsp (15 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 23 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 90 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 14.4 15 15.6 v output voltage tolerance v o2 v i = 17.5 v to 30 v, i o = 5 ma to 350 ma 14.25 ? 15.75 v t j = 25 c line regulation 1 reg in1 v i = 17.5 v to 30 v, t j = 25 c ? 10 100 mv line regulation 2 reg in2 v i = 20 v to 30 v, t j = 25 c ? 350mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 25 300 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 150 mv bias current i bias t j = 25 c ? 4.3 6 ma bias current fluctuation to input ? i bias(in) v i = 17.5 v to 30 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 18.5 v to 28.5 v, i o = 100 ma, f = 120 hz 54 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
an78mxxnsp series voltage regulators 10 electrical characteristics at t a = 25 c (continued) ? an78m18nsp (18 v type) the specified condition t j = 25 c means that the test should be carried out within so short a test time (within 10 ms) that the characteristic value drift due to the chip junction temperature rise can be ignored. unless otherwise specified, v i = 27 v, i o = 350 ma, c i = 0.33 f and c o = 0.1 f parameter symbol conditions min typ max unit output noise voltage v no f = 10 hz to 100 khz ? 100 ? v minimum input/output voltage v dif(min) i o = 500 ma, t j = 25 c ? 2 ? v difference output short-circuit current i o(short) v i = 35 v, t j = 25 c ? 300 ? ma peak output current i o(peak) t j = 25 c ? 1 000 ? ma output voltage temperature ? v o / t a i o = 5 ma, t j = 0 c to 125 c ?? 0.5 ? mv/ c coefficient thermal protection operating t j(th) i o = 5 ma ? 150 ? c temperature parameter symbol conditions min typ max unit output voltage v o1 t j = 25 c 17.3 18 18.7 v output voltage tolerance v o2 v i = 21 v to 33 v, i o = 5 ma to 350 ma 17.1 ? 18.9 v t j = 25 c line regulation 1 reg in1 v i = 21 v to 33 v, t j = 25 c ? 10 100 mv line regulation 2 reg in2 v i = 22 v to 33 v, t j = 25 c ? 550mv load regulation 1 reg l1 i o = 5 ma to 500 ma, t j = 25 c ? 30 360 mv load regulation 2 reg l2 i o = 5 ma to 200 ma, t j = 25 c ? 10 180 mv bias current i bias t j = 25 c ? 4.4 6 ma bias current fluctuation to input ? i bias(in) v i = 21 v to 33 v, t j = 25 c ?? 0.8 ma bias current fluctuation to load ? i bias(l) i o = 5 ma to 350 ma, t j = 25 c ?? 0.5 ma ripple rejection ratio rr v i = 22 v to 32 v, i o = 100 ma, f = 120 hz 53 ?? db design reference data note) the characteristics listed below are theoretical values based on the ic design and are not guaranteed.
voltage regulators an78mxxnsp series 11 5.00 6.00 0 25 150 50 75 100 125 4.00 3.00 2.00 0.85 0.70 1.00 1.40 0 mounted on glass epoxy board 2 (50 50 t1.5 mm 3 ) r th(j-a) = 89.3 c/w mounted on glass epoxy board 1 (20 20 t1.7 mm 3 ) r th(j-a) = 147.0 c/w independent ic without a heat sink r th( j-a) = 178.0 c/w mounted on al board (50 50 t2.0 mm 3 ) r th(j-a) = 25.0 c/w ambient temperature t a ( c ) power dissipation p d ( w ) application notes 1. p d ? t a curves of sp-3su p d ? t a 2. main characteristics output voltage temperature characteristic minimum input/output voltage difference vs. load current characteristic current limit characteristics ripple rejection ratio vs. frequency characteristic ? 100 ? 1.5 ? 1 ? 0.5 0 v out (%) ? 50 0 50 ? 25 25 75 125 100 150 t a ( c) v in = 10 v i o = 5 ma v o (v) 1.2 0 0.4 0.2 0.6 1.0 0.8 i o (a) 0 6 1 2 3 4 5 v i = 20 v v i = 30 v t j = 25 c v i = 10 v v dif (v) 0.5 0 0.4 0.3 0.2 0.1 i o (a) 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2 t j = 25 c ripple rejection ratio rr (db) 1m 100k 10k 100 1k frequency f (hz) ? 60 ? 50 ? 80 ? 70 ? 40 ? 30 ? 20 ? 10 0 v in = 10 v i o = 100 ma

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