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Panasonic Electronic Components Datasheet

AN78M18NSP Datasheet

(AN78MxxNSP) 3-Pin Positive Output Voltage Regulator

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AN78M18NSP pdf
Voltage Regulators
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AN78MxxNSP Series
3-pin positive output voltage regulator (500 mA type)
I 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.
I Features
Output voltage: 5V,6V,7V,8V,9V,10V,12V,15V,18 V
Built-in overcurrent limit circuit
Built-in thermal overload protection circuit
Built-in ASO (area of safe operation) protection circuit
I Block Diagram
6.50±0.20
5.30±0.10
(4.35)
(3.00)
Unit: mm
1.00±0.20
1
2.30
2
4.60±0.10
3
0.75±0.10
0.55
+0.10
–0.05
0.10±0.10
SP-3SU
Note) The package of this product will be changed
to lead-free type (SP-3SUA). See the new pack-
age dimensions section later of this datasheet.
Current
source
Pass Tr
Current
limitter
RSC
Starter
Voltage
reference
Thermal
Error amp. protection
R2
R1
1
Input
CI
2
FIN
CI 0.33 µF, CO 0.1 µF
I Pin Descriptions
Pin No.
Description
1 Input Input voltage pin
2 GND Ground pin (FIN)
3
Output
Output voltage pin
Publication date: November 2001
SFF00012BEB
CO
3
Output
1


Panasonic Electronic Components Datasheet

AN78M18NSP Datasheet

(AN78MxxNSP) 3-Pin Positive Output Voltage Regulator

No Preview Available !

AN78M18NSP pdf
AN78MxxNSP Series
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I Absolute Maximum Ratings
Parameter
Symbol
Range
Unit
Supply voltage *2
Supply current *3
Power dissipation *4
Operating ambient temperature *1
Storage temperature *1
VCC
ICC
PD
Topr
Tstg
35
30 to +85
55 to +150
V
mA
mW
°C
°C
Note) 1. *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
*2: When VCC 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.
I Electrical Characteristics at Ta = 25°C
AN78M05NSP (5 V type)
The specified condition Tj = 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, VI = 10 V, IO = 350 mA, CI = 0.33 µF and CO = 0.1 µF
Parameter
Symbol
Conditions
Min Typ Max Unit
Output voltage
VO1 Tj = 25°C
4.8 5 5.2 V
Output voltage tolerance
VO2 VI = 7.5 V to 20 V, IO = 5 mA to 350 mA 4.75 5.25
Tj = 25°C
V
Line regulation 1
REGIN1 VI = 7.5 V to 25 V, Tj = 25°C
3 100 mV
Line regulation 2
REGIN2 VI = 8 V to 25 V, Tj = 25°C
1 50 mV
Load regulation 1
REGL1 IO = 5 mA to 500 mA, Tj = 25°C
20 100 mV
Load regulation 2
REGL2 IO = 5 mA to 200 mA, Tj = 25°C
10 50 mV
Bias current
IBias Tj = 25°C
4
6 mA
Bias current fluctuation to input IBias(IN) VI = 8 V to 25 V, Tj = 25°C
  0.8 mA
Bias current fluctuation to load IBias(L) IO = 5 mA to 350 mA, Tj = 25°C
  0.5 mA
Ripple rejection ratio
RR VI = 8 V to 18 V, IO = 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
VNO f = 10 Hz to 100 kHz
Minimum input/output voltage VDIF(min) IO = 500 mA, Tj = 25°C
difference
40  µV
2
V
Output short-circuit current
Peak output current
Output voltage temperature
coefficient
IO(Short) VI = 35 V, Tj = 25°C
IO(Peak) Tj = 25°C
VO / Ta IO = 5 mA, Tj = 0°C to 125°C
300 mA
1 000 mA
 − 0.5 mV/°C
Thermal protection operating
temperature
Tj(TH) IO = 5 mA
150  °C
2 SFF00012BEB


Part Number AN78M18NSP
Description (AN78MxxNSP) 3-Pin Positive Output Voltage Regulator
Maker Panasonic Semiconductor
Total Page 13 Pages
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