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參數(shù)資料
| 型號： | MC7812ECT |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-A, 3.3/5-V Input Adjustable Switching Regulator with Auto-Track Sequencing 6-DIP MODULE -40 to 85 |
| 中文描述： | 12 V FIXED POSITIVE REGULATOR, SFM3 |
| 封裝： | TO-220, 3 PIN |
| 文件頁數(shù)： | 17/26頁 |
| 文件大?。?/td> | 246K |
| 代理商： | MC7812ECT |
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MC78XXE/LM78XXE/MC78XXAE
17
Electrical Characteristics (MC7824AE)
(Continued)
(Refer to the test circuits. 0
°
C < T
J
< 125
°
C, I
o
=1A, V
I
= 33V, 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 VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2. These parameters, although guaranteed, are not 100% tested in production.
Parameter
Symbol
Conditions
Min.
23.5
Typ.
24
Max.
24.5
Unit
Output Voltage
V
O
T
J
=+25
°
C
I
O
= 5mA to 1A, P
O
≤
15W
V
I
= 27.3V to 38V
V
I
= 27V to 38V, I
O
= 500mA
V
I
= 21V to 33V
V
23
24
25
Line Regulation (Note1)
Regline
-
-
-
-
-
-
-
-
-
-
-
-
18
6
18
6
15
15
7
5.2
-
-
-
-1.5
240
240
240
120
100
100
50
6.0
0.8
0.8
0.5
-
mV
T
J
=+25
°
C
V
I
= 26.7V to 38V
V
I
= 30V to 36V
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
= 27.3V to 38V, T
J
=+25
°
C
V
I
= 27.3V to 38V, 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
= 28V to 38V
I
O
= 1A, T
J
=+25
°
C
f = 1kHz
V
I
= 35V, T
A
=+25
°
C
T
J
=+25
°
C
mV
Quiescent Current
I
Q
mA
Quiescent Current Change
I
Q
mA
Output Voltage Drift (Note2)
V/
T
mV/
°
C
Output Noise Voltage
V
N
-
10
-
μ
V/Vo
Ripple Rejection (Note2)
RR
-
54
-
dB
Dropout Voltage
Output Resistance (Note2)
Short Circuit Current
Peak Current (Note2)
V
Drop
r
O
I
SC
I
PK
-
-
-
-
2.0
20
250
2.2
-
-
-
-
V
m
mA
A
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