LM7818I 查看數據表（PDF） - Fairchild Semiconductor
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LM7818I Datasheet PDF : 28 Pages
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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 = 0.33µF, CO = 0.1µF. unless otherwise specified)
Characteristic
Symbol
Test Conditions
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
Ripple
Rejection
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
TJ =+25 °C
VO
∆VO
∆VO
IQ
∆IQ
∆VO/∆T
VN
RR
VD
RO
ISC
IPK
5.0mA ≤ IO ≤1.0A, PD ≤15W
VI= 11.5V to 24V
VI = 12.5V to 24V
TJ=+25 °C
VI = 11.5V to 25V
VI = 12V to 25v
TJ=+25 °C
IO = 5mA to 1.5A
IO = 250mA to 750mA
TJ=+25 °C
IO = 5mA to 1.0A
VI = 11.5V to 26V
VI = 12.5V to 26V
IO = 5mA
f = 10Hz to 100Khz, TA =+25 °C
f = 120Hz
VI = 13V to 23V
IO = 1A, TJ=+25 °C
f = 1KHz
VI= 35V, TA =+25 °C
TJ= +25 °C
LM7809I
LM7809
Min Typ Max Min Typ Max
8.65 9 9.35 8.65 9 9.35
8.6 9 9.4
8.6 9 9.4
6 180
6 180
2 90
2 90
12 180
12 180
4 90
4 90
5.0 8
5.0 8
0.5
0.5
1.3
1.3
-1
-1
58
58
56 71
56 71
2
2
17
17
250
250
2.2
2.2
Unit
V
mV
mV
mA
mA
mV/ °C
µV/VO
dB
V
mΩ
mA
A
* TMIN <TJ <TMAX
LM78XXI/RI: TMIN= - 40 °C, TMAX = +125 °C
LM78XX/R: TMIN= 0 °C, TMAX= +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.
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