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): 13/28頁
文件大小: 516K
代理商: LM7824A
LM78XX (KA78XX, MC78XX) FIXED VOLTAGE REGULATOR (POSITIVE)
LM7818A/RA ELECTRICAL CHARACTERISTICS
(Refer to the test circuits. TJ = 0 to +150
°C, I
O=1A, V I = 27V, C I= 0.33
F, C
O = 0.1
F, unless otherwise specified)
* 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.
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
TJ =+25
°C
17.64
18
18.36
Output Voltage
VO
IO = 5mA to 1A, PD
≤15W
VI = 21 to 33V
17.3
18
18.7
V
VI= 21 to 33V
IO = 500mA
15
180
Line Regulation
V
O
VI= 21 to 33V
5
180
mV
VI= 20.6V to 33V
15
180
VI= 24V to 30V
5
90
TJ =+25
°C
IO = 5mA to 1.5A
15
100
IO = 5mA to 1.0A
15
100
IO = 250 to 750mA
7
50
Quiescent Current
IQ
TJ =+25
°C
5.2
6.0
mA
VI = 21V to 33V, TJ=+25
°C
0.5
Quiescent Current Change
I
Q
VI = 21V to 33V, IO = 500mA
0.8
mA
IO = 5mA to 1.0A
0.8
Output Voltage Drift
V
O/
T
IO = 5mA
-1.0
mV/
°C
Output Noise Voltage
VN
f = 10Hz to 100KHz
TA =+25
°C
10
Ripple Rejection
RR
f = 120Hz, IO = 500mA
VI = 18.5V to 28.5V
57
dB
Dropout Voltage
VD
IO = 1A, TJ =+25
°C
2.0
V
Output Resistance
RO
f = 1KHz
19
m
Short Circuit Current
ISC
VI= 35V, TA =+25
°C
250
mA
Peak Current
IPK
TJ=+25
°C
2.2
A
Load Regulation
V
O
TJ =+25
°C
V/V
O
mV
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