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)
LM7810/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test circuit, TMIN <TJ <TMAX, IO= 500mA, VI =16V, 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
VO
∆VO
∆VO
IQ
∆IQ
∆VO/∆T
VN
RR
VD
RO
ISC
IPK
TJ =+25 °C
5.0mA ≤ IO≤1.0A, PD ≤15W
VI = 12.5V to 25V
VI= 13.5V to 25V
TJ
=+25°C
VI
VI
=
=
12.5V to 25V
13V to 25V
TJ =+25°C IO = 5mA to 1.5A
IO = 250mA to 750mA
TJ =+25 °C
IO = 5mA to 1.0A
VI = 12.5V to 29V
VI = 13.5V to 29V
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
LM7810I
Min Typ Max
9.6 10 10.4
9.5 10 10.5
10 200
3 100
12 200
4 400
5.1 8
0.5
1.0
-1
58
LM7810
Min Typ Max
9.6 10 10.4
9.5 10 10.5
10 200
3 100
12 200
4 400
5.1 8
0.5
1.0
-1
58
Unit
V
mV
mV
mA
mA
mV/ °C
µV/Vo
56 71
56 71
dB
2
2
V
17
17
mΩ
250
250
mA
2.2
2.2
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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