AN78N00 Series 3-pin Positive Output Voltage Regulator (300mA Type) ■ Overview The AN78N00 series is 3-pin fixed positive output voltage regulators. Stabilized fixed output voltage is obtained from unstable DC input voltage without using any external components. 12 types of fixed output voltage are available ; 4V, 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 20V and 24V. They can be used widely in power circuits with current capacitance up to 300mA. Unit:mm + 0.5 3.8 1.94 15.0min. 11.5max. 8.0 – 0.1 3.05 ■ Features 0.75±0.25 0.5±0.25 1.44 2.3 4.6 1 2 3.5max. • No external components • Output voltage : 4V, 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V, 20V, 24V • Short-circuit current limiting built-in • Thermal overload protection built-in • Output transistor safe area compensation 3 1 Input Pass Tr Q1 Current Limiter RSC Starter Voltage Reference + Error Amp. 1.76 1 : Input 2 : Common 3 : Output JEDEC:TO-126 (SSIP003-P-0000E) ■ Block Diagram Current Source 0.5±0.1 3 Output 2 Common R2 Thermal Protection – R1 ■ Absolute Maximum Ratings (Ta=25˚C) Parameter Symbol Input voltage VI Power dissipation PD Operating ambient temperature Storage temperature Rating 35 *1 Unit V 40 *2 8 *3 W Topr –20 to +80 ˚C Tstg –55 to +150 ˚C V *1 AN78N04, AN78N05, AN78N06, AN78N07, AN78N08, AN78N09, AN78N10, AN78N12, AN78N15, AN78N18 *2 AN78N20, AN78N24 *3 Follow the derating curve. When Tj exceeds 150˚C, the internal circuit cuts off the output. ■ Electrical Characteristics (Ta=25˚C) · AN78N04 (4V Type) Parameter Symbol Condition Output voltage VO Tj=25˚C Output voltage tolerance VO VI=6.5 to 20V, IO=5 to 200mA Line regulation Load regulation Bias current REGIN REGL Ibias min 3.84 typ max 4 3.8 VI=6.5 to 25V, Tj=25˚C 4.16 Unit V 4.2 V 9 40 mV 4 20 mV 20 80 mV IO=5 to 200mA, Tj=25˚C 10 40 mV Tj=25˚C 2.8 5 mA VI=7 to 20V, Tj=25˚C IO=1 to 300mA, Tj=25˚C Input bias current fluctuation ∆Ibias (IN) VI=6.5 to 25V, Tj=25˚C 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 mA Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=7 to 17V, IO=50mA, f=120Hz Minimum input/output voltage difference VDIF (min.) IO=300mA, Tj=25˚C 62 38 µV 72 dB 2 V mA Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C – 0.3 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=9V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Electrical Characteristics (Ta=25˚C) · AN78N05 (5V Type) Parameter Symbol Condition Output voltage VO Tj=25˚C Output voltage tolerance VO VI=7.5 to 20V, IO=5 to 200mA Line regulation REGIN min typ 4.75 Bias current REGL Ibias V V 50 mV 5 25 mV IO=1 to 300mA, Tj=25˚C 20 100 mV IO=5 to 200mA, Tj=25˚C 10 50 mV Tj=25˚C 2.8 5 mA 0.8 mA 0.5 mA ∆Ibias (IN) VI=7.5 to 25V, Tj=25˚C Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=8 to 18V, IO=50mA, f=120Hz VDIF (min.) Unit 10 VI=7.5 to 25V, Tj=25˚C Input bias current fluctuation Minimum input/output voltage difference 5.2 5.25 VI=8 to 20V, Tj=25˚C Load regulation max 5 4.8 62 40 µV 72 dB 2 V mA IO=300mA, Tj=25˚C Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C – 0.3 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=10V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C · AN78N06 (6V Type) Parameter Symbol Condition Output voltage VO Tj=25˚C Output voltage tolerance VO VI=8.5 to 20V, IO=5 to 200mA Line regulation Load regulation Bias current REGIN REGL Ibias min 5.75 typ max 6 5.7 VI=8.5 to 25V, Tj=25˚C 11 6.25 Unit V 6.3 V 60 mV 6 30 mV IO=1 to 300mA, Tj=25˚C 20 120 mV IO=5 to 200mA, Tj=25˚C 10 60 mV Tj=25˚C 2.8 5 mA VI=9 to 20V, Tj=25˚C Input bias current fluctuation ∆Ibias (IN) VI=8.5 to 25V, Tj=25˚C 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 mA Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=9 to 19V, IO=50mA, f=120Hz Minimum input/output voltage difference Output short circuit current VDIF (min.) IO (Short) IO=300mA, Tj=25˚C VI=35V, Tj=25˚C Peak output current IO (Peak) Tj=25˚C Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C 59 45 µV 70 dB 2 V 300 mA 500 mA – 0.4 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=11V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Electrical Characteristics (Ta=25˚C) · AN78N07(7V Type) Parameter Symbol Condition Output voltage VO Tj=25˚C Output voltage tolerance VO VI=9.5 to 20V, IO=5 to 200mA Line regulation REGIN Load regulation Bias current REGL Ibias 6.7 max 7 6.65 Unit 7.3 V 7.35 V 12 70 mV VI=10 to 20V, Tj=25˚C 7 35 mV IO=1 to 300mA, Tj=25˚C 20 140 mV IO=5 to 200mA, Tj=25˚C 10 70 mV Tj=25˚C 2.8 5 mA 0.8 mA 0.5 mA ∆Ibias (IN) VI=9.5 to 25V, Tj=25˚C Load vias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=10 to 20V, IO=50mA, f=120Hz VDIF (min.) typ VI=9.5 to 25V, Tj=25˚C Input bias current fluctuation Minimum input/output voltage difference min 57 IO=300mA, Tj=25˚C 50 µV 69 dB 2 V mA Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C – 0.4 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=12V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C · AN78N08 (8V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C 7.7 Output voltage tolerance VO VI=10.5 to 23V, IO=5 to 200mA 7.6 Line regulation Load regulation Bias current REGIN REGL Ibias VI=10.5 to 25V, Tj=25˚C typ max 8 13 8.3 V 80 mV 8 40 mV IO=1 to 300mA, Tj=25˚C 25 160 mV IO=5 to 200mA, Tj=25˚C 10 80 mV Tj=25˚C 2.8 5 mA mA VI=12 to 23V, Tj=25˚C ∆Ibias (IN) VI=10.5 to 25V, Tj=25˚C 0.8 Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=11 to 21V, IO=50mA, f=120Hz Output short circuit current VDIF (min.) IO (Short) V 8.4 Input bias current fluctuation Minimum input/output voltage difference Unit IO=300mA, Tj=25˚C VI=35V, Tj=25˚C Peak output current IO (Peak) Tj=25˚C Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C 56 mA 55 µV 69 dB 2 V 300 mA 500 mA – 0.4 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=14V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Electrical Characteristics (Ta=25˚C) · AN78N09 (9V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C 8.65 Output voltage tolerance VO VI=11.5 to 24V, IO=5 to 200mA 8.55 Line regulation REGIN typ Bias current REGL Ibias Unit 9.35 V 9.45 V 14 90 mV 9 45 mV IO=1 to 300mA, Tj=25˚C 25 180 mV IO=5 to 200mA, Tj=25˚C 10 90 mV Tj=25˚C 2.8 VI=11.5 to 25V, Tj=25˚C VI=13 to 24V, Tj=25˚C Load regulation max 9 5 mA Input bias current fluctuation ∆Ibias (IN) VI=11.5 to 25V, Tj=25˚C 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 mA Output noise voltage Ripple rejection ratio Minimum input/output voltage difference Vno f=10Hz to 100kHz RR VI=12 to 22V, IO=50mA, f=120Hz VDIF (min.) 56 60 µV 68 dB IO=300mA, Tj=25˚C 2 V Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 mA Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C – 0.5 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=15V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C · AN78N10 (10V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C 9.6 Output voltage tolerance VO VI=12.5 to 25V, IO=5 to 200mA 9.5 Line regulation Load regulation Bias current REGIN REGL Ibias typ max 10 10.4 Unit V 10.5 V 100 mV VI=12.5 to 30V, Tj=25˚C 15 VI=13 to 25V, Tj=25˚C 10 50 mV IO=1 to 300mA, Tj=25˚C 25 200 mV IO=5 to 200mA, Tj=25˚C 10 100 mV Tj=25˚C 2.8 5 mA Input bias current fluctuation ∆Ibias (IN) VI=12.5 to 30V, Tj=25˚C 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 mA Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=13 to 23V, IO=50mA, f=120Hz Minimum input/output voltage difference Output short circuit current VDIF (min.) IO=300mA, Tj=25˚C IO (Short) VI=35V, Tj=25˚C Peak output current IO (Peak) Tj=25˚C Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C 56 70 µV 68 dB 2 V 300 mA 500 mA – 0.5 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=16V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Electrical Characteristics (Ta=25˚C) · AN78N12 (12V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C 11.5 Output voltage tolerance VO VI=14.5 to 27V, IO=5 to 200mA 11.4 Line regulation Load regulation Bias current REGIN REGL Ibias 12.5 Unit V 12.6 V 15 100 mV VI=16 to 27V, Tj=25˚C 10 50 mV IO=1 to 300mA, Tj=25˚C 25 240 mV IO=5 to 200mA, Tj=25˚C 10 120 mV Tj=25˚C 2.8 5 mA 0.8 mA 0.5 mA ∆Ibias (IN) VI=14.5 to 30V, Tj=25˚C Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=15 to 25V, IO=50mA, f=120Hz VDIF (min.) max 12 VI=14.5 to 30V, Tj=25˚C Input bias current fluctuation Minimum input/output voltage difference typ 55 80 µV 67 dB 2 V mA IO=300mA, Tj=25˚C Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C – 0.6 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=19V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C · AN78N15 (15V Type) Parameter Symbol Condition Output voltage VO Tj=25˚C Output voltage tolerance VO VI=17.5 to 20V, IO=5 to 200mA Line regulation Load regulation Bias current REGIN REGL 14.4 typ max 15 14.25 Unit 15.6 V 15.75 V VI=17.5 to 25V, Tj=25˚C 16 100 mV VI=20 to 30V, Tj=25˚C 11 50 mV IO=1 to 300mA, Tj=25˚C 25 300 mV IO=5 to 200mA, Tj=25˚C 10 150 mV Tj=25˚C 2.8 5 mA Input bias current fluctuation ∆Ibias (IN) VI=17.5 to 30V, Tj=25˚C 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 mA Output noise voltage Ripple rejection ratio Minimum input/output voltage difference Ibias min Vno f=10Hz to 100kHz RR VI=18.5 to 28.5V, IO=50mA, f=120Hz VDIF (min.) IO=300mA, Tj=25˚C 54 80 µV 66 dB 2 V Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 mA Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C – 0.8 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=23V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Electrical Characteristics (Ta=25˚C) · AN78N18 (18V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C 17.3 Output voltage tolerance VO VI=21to 33V, IO=5 to 200mA 17.1 Line regulation Load regulation Bias current REGIN REGL Ibias 18.7 Unit V 18.9 V 18 100 mV VI=22 to 33V, Tj=25˚C 13 50 mV IO=1 to 300mA, Tj=25˚C 30 360 mV IO=5 to 200mA, Tj=25˚C 10 180 mV Tj=25˚C 2.8 5 mA 0.8 mA 0.5 mA ∆Ibias (IN) VI=21 to 33V, Tj=25˚C Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=22 to 32V, IO=50mA, f=120Hz VDIF (min.) max 18 VI=21to 33V, Tj=25˚C Input bias current fluctuation Minimum input/output voltage difference typ 53 90 µV 65 dB 2 V mA IO=300mA, Tj=25˚C Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C –1.0 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=27V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C · AN78N20 (20V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C 19.2 Output voltage tolerance VO VI=23 to 35V, IO=5 to 200mA 19.0 Line regulation Load regulation Bias current REGIN REGL Ibias V 21 V mV VI=24 to 35V, Tj=25˚C 14 50 mV IO=1 to 300mA, Tj=25˚C 30 400 mV IO=5 to 200mA, Tj=25˚C 10 200 mV Tj=25˚C 2.8 5 mA 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C Vno f=10Hz to 100kHz RR VI=24 to 34V, IO=50mA, f=120Hz VDIF (min.) Unit 100 VI=23 to 35V, Tj=25˚C Minimum input/output voltage difference 20.8 19 ∆Ibias (IN) Ripple rejection ratio max 20 VI=23 to 35V, Tj=25˚C Input bias current fluctuation Output noise voltage typ IO=300mA, Tj=25˚C 0.5 52 mA 100 µV 64 dB 2 V mA Output short circuit current IO (Short) VI=35V, Tj=25˚C 300 Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C –1.2 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=29V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Electrical Characteristics (Ta=25˚C) · AN78N24 (24V Type) Parameter Symbol Condition min Output voltage VO Tj=25˚C Output voltage tolerance VO VI=27 to 38V, IO=5 to 200mA Line regulation REGIN Load regulation REGL Bias current Ibias typ max 24 23 22.8 VI=27 to 38V, Tj=25˚C 20 Unit 25 V 25.2 V 100 mV VI=28 to 38V, Tj=25˚C 15 50 mV IO=1 to 300mA, Tj=25˚C 30 480 mV IO=5 to 200mA, Tj=25˚C 10 240 mV Tj=25˚C 2.8 5 mA Input bias current fluctuation ∆Ibias (IN) VI=27 to 38V, Tj=25˚C 0.8 mA Load bias current fluctuation ∆Ibias (L) IO=1 to 300mA, Tj=25˚C 0.5 mA Output noise voltage Vno f=10Hz to 100kHz Ripple rejection ratio RR VI=28 to 38V, IO=50mA, f=120Hz Minimum input/output voltage difference Output short circuit current 50 IO=300mA, Tj=25˚C VDIF (min.) VI=35V, Tj=25˚C IO (Short) 110 µV 63 dB 2 V 300 mA Peak output current IO (Peak) Tj=25˚C 500 mA Output voltage temperature coefficient ∆VO/Ta IO=5mA, Tj=0 to 125˚C –1.5 mV/˚C Note 1) The specified condition Tj=25˚C means that the test should be carried out with the test time so short (within 10ms) that the drift in characteristic value due to the rise in chip junction temperature can be ignored. Note 2) When not specified, VI=33V, IO=100mA, CI=0.33µF, CO=0.1µF, Tj=0 to 125˚C ■ Basic Regulator Circuit Input Output 1 ■ Application Circuit VI 3 Q1 VI AN78N00 20Ω CO CI 2 1 Common VO 3 VO 1 3 AN78N00 IO 2 VO´ R2 AN78N00 0.33µF 0.1µF 2 Ibias R1 CI : is set when the input line is long. CO : improves the transient response. V ´ |VO| = VO´+ Ibias+ RO R1 2 ■ Characteristic Curve VDIF (min.) –Tj (1) Infinite Heat Sink (2) 5˚C/W Heat Sink (3) 15˚C/W Heat Sink (4) Without Heat Sink 8 (1) 6 (2) 4 (3) 2 (4) 0 0 40 80 120 20 AN78N05 15 2.0 IO=300mA IO=100mA 1.6 1.2 IO=0 0.8 0.4 0 –120 –80 –40 160 10 IO=20mA Ambient Temperature Ta (˚C) 0 40 80 120 160 200 Junction Temperature Tj (˚C) Load Transient Response RR– f 0.3 0.2 Output Voltage Fluctuation (V) 0.1 0 1 0 –1 –2 AN78N05 Ripple Rejection Ratio RR (dB) AN78N05 Load Current IO (A) 120 100 80 60 40 20 0 0 10 20 30 Time t (µs) 40 50 10 100 1k 10k Frequency f (Hz) 100k Output Voltage Fluctuation (mV) Minimum Input/Output Voltage Difference VDIF (min.) (V) Power Dissipation PD (W) Input Transient Response 2.4 5 10 0 –10 –20 0 2 4 6 Time t (µs) 8 10 Input Voltage VI (V) PD –Ta (AN78M00 Series) 10