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參數(shù)資料
| 型號(hào)： | MC78XX |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 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(yè)數(shù)： | 18/28頁(yè) |
| 文件大?。?/td> | 225K |
| 代理商： | MC78XX |
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MC78XX/LM78XX/MC78XXA
18
Electrical Characteristics (MC7818A)
(Refer to the test circuits. 0
°
C < T
J
< 125
°
C, I
o
=1A, V
I
= 27V, C
I
=0.33
μ
F, C
O
=0.1
μ
F, unless otherwise specified)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
17.64
Typ.
18
Max.
18.36
Unit
Output Voltage
V
O
T
J
=+25
°
C
I
O
= 5mA to 1A, P
O
≤
15W
V
I
= 21V to 33V
V
I
= 21V to 33V
I
O
= 500mA
V
I
= 21V to 33V
V
17.3
18
18.7
Line Regulation (Note1)
Regline
-
15
180
mV
-
-
-
5
15
5
180
180
90
T
J
=+25
°
C
V
I
= 20.6V to 33V
V
I
= 24V to 30V
Load Regulation (Note1)
Regload
T
J
=+25
°
C
I
O
= 5mA to 1.5A
I
O
= 5mA to 1.0A
I
O
= 250mA to 750mA
T
J
=+25
°
C
V
I
= 21V to 33V, T
J
=+25
°
C
V
I
= 21V to 33V, I
O
= 500mA
I
O
= 5mA to 1.0A
I
O
= 5mA
f = 10Hz to 100KHz
T
A
=+25
°
C
f = 120Hz, I
O
= 500mA
V
I
= 22V to 32V
I
O
= 1A, T
J
=+25
°
C
f = 1KHz
V
I
= 35V, T
A
=+25
°
C
T
J
=+25
°
C
-
15
100
mV
-
-
-
-
-
-
-
15
7
5.2
-
-
-
-1.0
100
50
6.0
0.8
0.8
0.5
-
Quiescent Current
I
Q
mA
Quiescent Current Change
I
Q
mA
Output Voltage Drift
V/
T
mV/
°
C
μ
V/Vo
Output Noise Voltage
V
N
-
10
-
Ripple Rejection
RR
-
57
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
Drop
r
O
I
SC
I
PK
-
-
-
-
2.0
19
250
2.2
-
-
-
-
V
m
mA
A
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