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参数资料
| 型号： | LM78XXA |
| 厂商： | Fairchild Semiconductor Corporation |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正电压稳压器 |
| 文件页数： | 7/28页 |
| 文件大小： | 570K |
| 代理商： | LM78XXA |
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7
www.fairchildsemi.com
LM78XX/LM78XXA Rev. 1.0.1
L
Electrical Characteristics (LM7810)
(Continued)
Refer to the test circuits. -40°C
<
T
J
<
125°C, I
O
= 500mA, V
I
= 16V, C
I
= 0.33
μ
F, C
O
= 0.1
μ
F, unless otherwise specified.
Symbol
Parameter
Conditions
Notes:
9. 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.
10. These parameters, although guaranteed, are not 100% tested in production.
Min.
Typ.
Max.
Unit
V
O
Output Voltage
T
J
= +25°C
9.6
10.0
10.4
V
5mA
≤
I
O
≤
1A, P
O
≤
15W,
V
I
= 12.5V to 25V
9.5
10.0
10.5
Regline
Line Regulation
(9)
T
J
= +25°C
V
I
= 12.5V to 25V
–
10.0
200
mV
V
I
= 13V to 25V
–
3.0
100
Regload
Load Regulation
(9)
T
J
= +25°C
I
O
= 5mA to 1.5A
–
12.0
200
mV
I
O
= 250mA to 750mA
–
4.0
400
I
Q
Quiescent Current
T
J
= +25°C
–
5.1
8.0
mA
I
Q
Quiescent Current Change I
O
= 5mA to 1A
–
–
0.5
mA
V
I
= 12.5V to 29V
–
–
1.0
V
O
/
T
Output Voltage Drift
(10)
I
O
= 5mA
–
-1.0
–
mV/°C
V
N
Output Noise Voltage
f = 10Hz to 100kHz, T
A
= +25°C
–
58.0
–
μ
V/V
O
RR
Ripple Rejection
(10)
f = 120Hz, V
O
= 13V to 23V
56.0
71.0
–
dB
V
DROP
Dropout Voltage
I
O
= 1A, T
J
= +25°C
–
2.0
–
V
r
O
Output Resistance
(10)
f = 1kHz
–
17.0
–
m
I
SC
Short Circuit Current
V
I
= 35V, T
A
= +25°C
–
250
–
mA
I
PK
Peak Current
(10)
T
J
= +25°C
–
2.2
–
A
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