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參數資料
| 型號： | LM78XXA |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類： | 基準電壓源/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 |
| 文件頁數： | 16/28頁 |
| 文件大?。?/td> | 570K |
| 代理商： | LM78XXA |
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16
www.fairchildsemi.com
LM78XX/LM78XXA Rev. 1.0.1
L
Electrical Characteristics (LM7810A)
(Continued)
Refer to the test circuits. 0°C
<
T
J
<
125°C, I
O
= 1A, V
I
= 16V, C
I
= 0.33
μ
F, C
O
= 0.1
μ
F, unless otherwise specified.
Notes:
27. Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must
be taken into account separately. Pulse testing with low duty is used.
28. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units
V
O
Output Voltage
T
J
= +25°C
I
O
= 5mA to 1A, P
O
≤
15W,
V
I
= 12.8V to 25V
V
I
= 12.8V to 26V, I
O
= 500mA
V
I
= 13V to 20V
T
J
= +25°C
9.8
10.0
10.2
V
9.6
10.0
10.4
Regline
Line Regulation
(27)
–
8.0
100
mV
–
4.0
50.0
V
I
= 12.5V to 25V
V
I
= 13V to 20V
–
8.0
100
–
3.0
50.0
Regload
Load Regulation
(27)
T
J
= +25°C, I
O
= 5mA to 1.5A
I
O
= 5mA to 1A
I
O
= 250mA to 750mA
T
J
= +25°C
I
O
= 5mA to 1A
V
I
= 12.8V to 25V, I
O
= 500mA
V
I
= 13V to 26V, T
J
= +25°C
–
12.0
100
mV
–
12.0
100
–
5.0
50.0
I
Q
I
Q
Quiescent Current
–
5.0
6.0
mA
Quiescent Current
Change
–
–
0.5
mA
–
–
0.8
–
–
0.5
V
O
/
T
V
N
RR
Output Voltage Drift
(28)
I
O
= 5mA
Output Noise Voltage
Ripple Rejection
(28)
–
-1.0
–
mV/°C
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
–
10.0
–
μ
V/V
O
dB
–
62.0
–
V
DROP
r
O
I
SC
I
PK
Dropout Voltage
Output Resistance
(28)
–
2.0
–
V
–
17.0
–
m
Short Circuit Current
Peak Current
(28)
V
I
= 35V, T
A
= +25°C
T
J
= +25°C
–
250
–
mA
–
2.2
–
A
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