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LM78XX Datasheet(PDF) 7 Page - Fairchild Semiconductor

Part # LM78XX
Description  3-Terminal 1A Positive Voltage Regulator
Download  28 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

LM78XX Datasheet(HTML) 7 Page - Fairchild Semiconductor

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LM78XX/LM78XXA Rev. 1.0.1
Electrical Characteristics (LM7810) (Continued)
Refer to the test circuits. -40°C
< TJ < 125°C, IO = 500mA, VI = 16V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
Notes:
9. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
10. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = +25°C
9.6
10.0
10.4
V
5mA
≤ IO ≤ 1A, PO ≤ 15W,
VI = 12.5V to 25V
9.5
10.0
10.5
Regline
Line Regulation(9)
TJ = +25°C
VI = 12.5V to 25V
10.0
200
mV
VI = 13V to 25V
3.0
100
Regload
Load Regulation(9)
TJ = +25°C
IO = 5mA to 1.5A
12.0
200
mV
IO = 250mA to 750mA
4.0
400
IQ
Quiescent Current
TJ = +25°C
5.1
8.0
mA
∆IQ
Quiescent Current Change IO = 5mA to 1A
0.5
mA
VI = 12.5V to 29V
1.0
∆VO/∆T Output Voltage Drift(10)
IO = 5mA
-1.0
mV/°C
VN
Output Noise Voltage
f = 10Hz to 100kHz, TA = +25°C
58.0
µV/VO
RR
Ripple Rejection(10)
f = 120Hz, VO = 13V to 23V
56.0
71.0
dB
VDROP
Dropout Voltage
IO = 1A, TJ = +25°C
2.0
V
rO
Output Resistance(10)
f = 1kHz
17.0
m
ISC
Short Circuit Current
VI = 35V, TA = +25°C
250
mA
IPK
Peak Current(10)
TJ = +25°C
2.2
A


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