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參數(shù)資料
| 型號(hào)： | MC78XX |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 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)： | 16/28頁(yè) |
| 文件大?。?/td> | 225K |
| 代理商： | MC78XX |
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MC78XX/LM78XX/MC78XXA
16
Electrical Characteristics (MC7812A)
(Refer to the test circuits. 0
°
C < T
J
< 125
°
C, I
o
=1A, V
I
= 19V, 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.
11.75
Typ.
12
Max.
12.25
Unit
Output Voltage
V
O
T
J
=+25
°
C
I
O
= 5mA to 1A, P
O
≤
15W
V
I
= 14.8V to 27V
V
I
= 14.8V to 30V
I
O
= 500mA
V
I
= 16V to 22V
V
11.5
12
12.5
Line Regulation (Note1)
Regline
-
10
120
mV
-
-
-
4
10
3
120
120
60
T
J
=+25
°
C
V
I
= 14.5V to 27V
V
I
= 16V to 22V
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
= 15V to 30V, T
J
=+25
°
C
V
I
= 14V to 27V, 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
= 14V to 24V
I
O
= 1A, T
J
=+25
°
C
f = 1KHz
V
I
= 35V, T
A
=+25
°
C
T
J
=+25
°
C
-
12
100
mV
-
-
-
-
-
-
-
12
5
5.1
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
-1.0
mV/
°
C
Output Noise Voltage
V
N
-
10
-
μ
V/Vo
Ripple Rejection
RR
-
60
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
Drop
r
O
I
SC
I
PK
-
-
-
-
2.0
18
250
2.2
-
-
-
-
V
m
mA
A
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相關(guān)代理商/技術(shù)參數(shù) |
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| MC7900 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:1.0 A Negative Voltage Regulators |
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| MC7905 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:THREE-TERMINAL NEGATIVE FIXED VOLTAGE REGULATORS |
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