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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： | 9/28页 |
| 文件大小： | 570K |
| 代理商： | LM78XXA |
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9
www.fairchildsemi.com
LM78XX/LM78XXA Rev. 1.0.1
L
Electrical Characteristics (LM7815)
(Continued)
Refer to the test circuits. -40°C
<
T
J
<
125°C, I
O
= 500mA, V
I
= 23V, C
I
= 0.33
μ
F, C
O
= 0.1
μ
F, unless otherwise specified.
Symbol
Parameter
Conditions
Notes:
13. 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.
14. These parameters, although guaranteed, are not 100% tested in production.
Min.
Typ.
Max.
Unit
V
O
Output Voltage
T
J
= +25°C
5mA
≤
I
O
≤
1A, P
O
≤
15W,
V
I
= 17.5V to 30V
T
J
= +25°C
V
I
= 20V to 26V
T
J
= +25°C
I
O
= 5mA to 1.5A
I
O
= 250mA to 750mA
T
J
= +25°C
I
O
= 5mA to 1A
V
I
= 17.5V to 30V
I
O
= 5mA
f = 10Hz to 100kHz, T
A
= +25°C
f = 120Hz, V
I
= 18.5V to 28.5V
I
O
= 1A, T
J
= +25°C
f = 1kHz
14.4
15.0
15.6
V
14.25
15.0
15.75
Regline
Line Regulation
(13)
V
I
= 17.5V to 30V
–
11.0
300
mV
–
3.0
150
Regload
Load Regulation
(13)
–
12.0
300
mV
–
4.0
150
I
Q
I
Q
Quiescent Current
–
5.2
8.0
mA
Quiescent Current Change
–
–
0.5
mA
–
–
1.0
V
O
/
T
V
N
RR
Output Voltage Drift
(14)
–
-1.0
–
mV/°C
Output Noise Voltage
Ripple Rejection
(14)
–
90.0
–
μ
V/V
O
dB
54.0
70.0
–
V
DROP
r
O
I
SC
I
PK
Dropout Voltage
Output Resistance
(14)
–
2.0
–
V
–
19.0
–
m
Short Circuit Current
Peak Current
(14)
V
I
= 35V, T
A
= +25°C
T
J
= +25°C
–
250
–
mA
–
2.2
–
A
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