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Voltage Regulators
AN78xxNSP Series
3-pin positive output voltage regulator (1 A type)
I Overview
The AN78xxNSP series is a 3-pin fixed positive output type monolithic voltage regulator housed in surface mounting package. Stabilized fixed output voltage is obtained from unstable DC input voltage with using minimum external components. 9 types of fixed output voltage 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 1 A.
6.500.20 5.300.10 (4.35) (3.00)
(1.80) (2.50)
Unit: mm
1.000.20
5.500.20
(5.50) 9.800.20
(0.20)
2.50
2 1 2.30 4.600.10
I 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
3 0.750.10
(0.80)
0.55 -0.05 0.100.10
+0.10
SP-3SU
I Block Diagram
Pass Tr Current source
Current limitter
RSC
Starter
Voltage reference Error amp.
Thermal protection
R2 R1
1 Input CI CI 0.33 F, CO 0.1 F
2 FIN CO
3
Output
I Pin Descriptions
Pin No. 1 2 3 Input GND Output Description Input voltage pin Ground pin (FIN) Output voltage pin
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Publication date: August 2001
2.300.10
1.000.30
1
AN78xxNSP Series
I Absolute Maximum Ratings
Parameter Supply voltage Supply current Power dissipation
*2 *1
Symbol VCC ICC PD Topr Tstg
Range 35 364 -30 to +85 -55 to +150
Unit V mA mW C C
Operating ambient temperature Storage temperature *1
Note) 1. *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25C. *2: The power dissipation shown is the value for the independent IC without a heat sink at Ta = 85C. When Tj exceeds 150C (designed value), the internal circuit cuts off the output. 2. This IC is not suitable for car electronics equipment.
I Electrical Characteristics at Ta = 25C
* AN7805NSP (5 V type) The specified condition Tj = 25C 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, VI = 10 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 8 V to 20 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 4.8 4.75 62 Typ 5 3 1 15 5.0 3.9 Max 5.2 5.25 100 50 100 50 8 1.3 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 7.5 V to 25 V, Tj = 25C REGIN2 VI = 8 V to 12 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 7.5 V to 25 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 8 V to 18 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 40 2 700 2.0 - 0.3 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
2
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AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7806NSP (6 V type) The specified condition Tj = 25C 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, VI = 11 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 9 V to 21 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 5.75 5.7 59 Typ 6 5 1.5 14 4.0 3.9 Max 6.25 6.3 120 60 120 60 8 1.3 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 8.5 V to 25 V, Tj = 25C REGIN2 VI = 9 V to 13 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 8.5 V to 25 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 9 V to 19 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 40 2 700 2.0 - 0.4 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
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3
AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7807NSP (7 V type) The specified condition Tj = 25C 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, VI = 12 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 10 V to 22 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 6.7 6.6 57 Typ 7 5 1.5 14 4.0 3.9 Max 7.3 7.4 140 70 140 70 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 9.5 V to 25 V, Tj = 25C REGIN2 VI = 10 V to 15 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 9.5 V to 25 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 10 V to 20 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 46 2 700 2.0 - 0.5 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
4
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AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7808NSP (8 V type) The specified condition Tj = 25C 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, VI = 14 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 11 V to 23 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 7.7 7.6 56 Typ 8 6 2 12 4.0 3.9 Max 8.3 8.4 160 80 160 80 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 10.5 V to 25 V, Tj = 25C REGIN2 VI = 11 V to 17 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 10.5 V to 25 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 11.5 V to 21.5 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 52 2 700 2.0 - 0.5 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
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5
AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7809NSP (9 V type) The specified condition Tj = 25C 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, VI = 15 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 12 V to 24 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 8.65 8.55 56 Typ 9 7 2 12 4.0 3.9 Max 9.35 9.45 180 90 180 90 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 11.5 V to 26 V, Tj = 25C REGIN2 VI = 12 V to 18 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 11.5 V to 26 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 11.5 V to 21.5 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 57 2 700 2.0 - 0.5 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
6
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AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7810NSP (10 V type) The specified condition Tj = 25C 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, VI = 16 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 13 V to 25 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 9.6 9.5 56 Typ 10 8 2.5 12 4.0 3.9 Max 10.4 10.5 200 100 200 100 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 12.5 V to 27 V, Tj = 25C REGIN2 VI = 13 V to 19 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 12.5 V to 27 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 13 V to 23 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 56 2 700 2.0 - 0.6 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
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AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7812NSP (12 V type) The specified condition Tj = 25C 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, VI = 19 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 15 V to 27 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 11.5 11.4 55 Typ 12 10 2 12 4.0 4.0 Max 12.5 12.6 240 120 240 120 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 14.5 V to 30 V, Tj = 25C REGIN2 VI = 16 V to 22 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 14.5 V to 30 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 15 V to 25 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 75 2 700 2.0 - 0.8 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
8
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AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7815NSP (15 V type) The specified condition Tj = 25C 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, VI = 23 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 18 V to 30 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 14.4 14.25 54 Typ 15 11 3 12 4.0 4.0 Max 15.6 15.75 300 150 300 150 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 17.5 V to 30 V, Tj = 25C REGIN2 VI = 20 V to 26 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 17.5 V to 30 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 18.5 V to 28.5 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 90 2 700 2.0 -1.0 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
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9
AN78xxNSP Series
I Electrical Characteristics at Ta = 25C (continued)
* AN7818NSP (18 V type) The specified condition Tj = 25C 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, VI = 27 V, IO = 500 mA, CI = 0.33 F and CO = 0.1 F Parameter Output voltage Output voltage tolerance Line regulation 1 Line regulation 2 Load regulation 1 Load regulation 2 Bias current Symbol VO1 VO2 Tj = 25C VI = 21 V to 33 V, IO = 5 mA to 1 A Tj = 25C, PD < 5 W Conditions Min 17.3 17.1 53 Typ 18 14 4 14 4.0 4.1 Max 18.7 18.9 360 180 360 180 8 1.0 0.5 Unit V V mV mV mV mV mA mA mA dB
REGIN1 VI = 21 V to 33 V, Tj = 25C REGIN2 VI = 24 V to 30 V, Tj = 25C REGL1 REGL2 IBias IO = 5 mA to 1.5 A, Tj = 25C IO = 250 mA to 750 mA, Tj = 25C Tj = 25C
Bias current fluctuation to input IBias(IN) VI = 21 V to 33 V, Tj = 25C Bias current fluctuation to load Ripple rejection ratio * Design reference data IBias(L) IO = 5 mA to 1 A, Tj = 25C RR VI = 22 V to 32 V, IO = 100 mA, f = 120 Hz
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter Output noise voltage
Symbol VNO
Conditions f = 10 Hz to 100 kHz
Min
Typ 110 2 700 2.0 -1.1 150
Max
Unit V V mA A mV/C C
Minimum input/output voltage VDIF(min) IO = 1 A, Tj = 25C difference Output short-circuit current Peak output current Output voltage temperature coefficient Thermal protection operating temperature IO(Short) IO(Peak) VI = 35 V, Tj = 25C Tj = 25C
VO / Ta IO = 5 mA, Tj = 0C to 125C Tj(TH) IO = 5 mA
10
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AN78xxNSP Series
I Application Notes
1. PD Ta curves of SP-3SU
6.00 Mounted on Al board (50 x 50 x t2.0 mm3) Rth(j-a) = 25.0C/W
PD T a
5.00
Power dissipation PD (W)
4.00
Mounted on glass epoxy board 2 (50 x 50 x t1.5 mm3) Rth(j-a) = 89.3C/W Mounted on glass epoxy board 1 (20 x 20 x t1.7 mm3) Rth(j-a) = 147.0C/W
3.00
2.00 1.40 1.00 0.85 0.70 0 0
Independent IC without a heat sink Rth( j-a) = 178.0C/W 25 50 75 100 125 150
2. Main Characteristics
Ambient temperature Ta (C)
Minimum input/output voltage difference vs. load current characteristic
2 Tj = 25C 1.8 1.6 1.4
Minimum input/output voltage difference temperature characteristic
2.000 IO = -1 A 1.980 1.960 1.940
VDIF (V)
1.2 1.0 0.8 0.6 0.4 0.2 0 0 0.2 0.4 0.6 0.8 1
VDIF(min) (V)
1.920 1.900 1.880 1.860 1.840 1.820 1.800 -40 -20
0
20
40
60
80
100
120
IO (A)
Ta (C)
Peak output current temperature characteristic
2.500
Current limit characteristics
6 Tj = 25C
2.000
5
4
IO(Peak) (A)
1.500
VO (V)
VI = 30 V 3 VI = 20 V VI = 10 V 2
1.000
0.500
1
0.000 -40
-20
0
0 20 40 60 80 100 120
0
0.5
1
1.5
2
Ta (C)
IO (A)
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11

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