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LM7818 Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part # LM7818
Description  3-TERMINAL 1A POSITIVE VOLTAGE REGULATORS
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

LM7818 Datasheet(HTML) 5 Page - Fairchild Semiconductor

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LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7809/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit. TMIN < TJ <TMAX, IO= 500mA, VI= 15V, CI = 0.33
µF, C
O = 0.1
µF. unless otherwise specified)
* TMIN <TJ <TMAX
LM78XXI/RI: TMIN= - 40
°C, T
MAX = +125
°C
LM78XX/R: TMIN= 0
°C, T
MAX= +125
°C
* Load and line regulation are specified at constant, junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
LM7809I
LM7809
Min Typ Max Min Typ Max
TJ =+25
°C
8.65
9
9.35 8.65
9
9.35
Output Voltage
VO
5.0mA
≤ I
O
≤1.0A, P
D
≤15W
VI= 11.5V to 24V
VI = 12.5V to 24V
8.6
9
9.4
8.6
9
9.4
V
VI = 11.5V to 25V
6
180
6
180
VI = 12V to 25v
2
90
2
90
IO = 5mA to 1.5A
12
180
12
180
IO = 250mA to 750mA
4
90
4
90
Quiescent Current
IQ
TJ=+25
°C
5.0
8
5.0
8
mA
IO = 5mA to 1.0A
0.5
0.5
Quiescent Current Change
∆I
Q
VI = 11.5V to 26V
1.3
mA
VI = 12.5V to 26V
1.3
Output Voltage Drift
∆V
O/
∆T IO = 5mA
-1
-1
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100Khz, TA =+25
°C
58
58
µV/V
O
Ripple
Rejection
RR
f = 120Hz
VI = 13V to 23V
56
71
56
71
dB
Dropout Voltage
VD
IO = 1A, TJ=+25
°C
2
2
V
Output Resistance
RO
f = 1KHz
17
17
m
Short Circuit Current
ISC
VI= 35V, TA =+25
°C
250
250
mA
Peak Current
IPK
TJ= +25
°C
2.2
2.2
A
Characteristic
Symbol
Test Conditions
Line Regulation
Load Regulation
∆V
O
∆V
O
TJ=+25
°C
TJ=+25
°C
mV
mV
Unit


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