參數(shù)資料
型號: LM7824A
廠商: Fairchild Semiconductor Corporation
元件分類: 線性穩(wěn)壓
英文描述: 5.0 AMP POSITIVE VOLTAGE REGULATOR
中文描述: 5.0放大器正電壓穩(wěn)壓器
文件頁數(shù): 23/28頁
文件大小: 516K
代理商: LM7824A
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7808/I/R/RI ELECTRICAL CHARACTERISTICS
(Refer to test Circuit, TMIN <TJ< TMAX, IO = 500mA, VI = 14V, CI = 0.33
F, C
O= 0.1
F, 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.
LM7808I
LM7808
Min Typ
Max
Min
Typ
Max
TJ =+25
°C
7.7
8.0
8.3
7.7
8.0
8.3
Output Voltage
VO
5.0mA
≤ I
O
≤ 1.0A, P
O
≤ 15W
VI = 10.5V to 23V
VI = 11.5V to 23V
7.6
8.0
8.4
7.6
8.0
8.4
V
VI = 10.5V to 25V
5.0
160
5.0
160
VI = 11.5V to 17V
2.0
80
2.0
80
IO = 5.0mA to 1.5A
10
160
10
160
IO= 250mA to 750mA
5.0
80
5.0
80
Quiescent Current
IQ
TJ =+25
°C
5.0
8
5.0
8
mA
IO = 5mA to 1.0A
0.05
0.5
0.05
0.5
Quiescent Current Change
I
Q
VI = 10.5A to 25V
0.5
1.0
mA
VI = 11.5V to 25V
0.5
1.0
Output Voltage Drift
V
O/
T IO = 5mA
-0.8
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100Khz, TA =+25
°C
52
V/Vo
Ripple
Rejection
RR
f = 120Hz, VI= 11.5V to 21.5
56
73
56
73
dB
Dropout Voltage
VD
IO = 1A, TJ=+25
°C
2
V
Output Resistance
RO
f = 1KHz
17
m
Short Circuit Current
ISC
VI= 35V, TA =+25
°C
230
mA
Peak Current
IPK
TJ =+25
°C
2.2
A
Characteristic
Symbol
Test Conditions
Unit
Line Regulation
Load Regulation
V
O
V
O
TJ =+ 25
°C
TJ = +25
°C
mV
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