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參數(shù)資料
| 型號(hào)： | L78XX |
| 廠商： | 意法半導(dǎo)體 |
| 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)： | 9/23頁(yè) |
| 文件大?。?/td> | 264K |
| 代理商： | L78XX |
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ELECTRICALCHARACTERISTICS FOR L7852C
(refer to the test circuits, T
j
= 0 to 125
o
C, V
i
= 10V,
I
o
= 500 mA,C
i
= 0.33
μ
F, C
o
= 0.1
μ
F unless otherwise specified)
Symbol
Parameter
Test Conditions
T
j
= 25
o
C
V
o
OutputVoltage
I
o
= 5mA to1 A
V
i
= 8 to 20 V
V
o
*
Line Regulation
V
i
= 7 to 25 V
T
j
= 25
o
C
V
i
= 8 to 12 V
T
j
= 25
o
C
V
o
*
Load Regulation
I
o
= 5 to 1500 mA
I
o
= 250 to 750mA
I
d
Quiescent Current
T
j
= 25
o
C
I
d
Quiescent Current Change
I
o
= 5 to 1000 mA
I
d
Quiescent Current Change
V
i
= 7 to 25 V
V
o
T
eN
OutputNoise Voltage
B = 10Hz to100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
= 8 to 18 V
f = 120 Hz
V
d
Dropout Voltage
I
o
= 1 A
T
j
=25
o
C
R
o
OutputResistance
f = 1 KHz
I
sc
Short Circuit Current
V
i
= 35 V
T
j
=25
o
C
I
scp
Short Circuit Peak Current
T
j
= 25
o
C
Min.
Typ.
Max.
Unit
V
o
OutputVoltage
5.0
5.2
5.4
V
P
o
≤
15W
4.95
5.2
5.45
V
3
1
105
52
mV
mV
T
j
=25
o
C
T
j
=25
o
C
105
52
mV
mV
8
mA
0.5
mA
1.3
mA
mV/
o
C
OutputVoltage Drift
I
o
= 5mA
-1.0
42
μ
V
dB
61
2
V
17
m
mA
750
2.2
A
ELECTRICALCHARACTERISTICS FOR L7805C
(refer to the test circuits, T
j
= 0 to 125
o
C,
V
i
= 10V, I
o
= 500 mA,C
i
= 0.33
μ
F, C
o
= 0.1
μ
F unlessotherwise specified)
Symbol
Parameter
Test Conditions
V
o
OutputVoltage
T
j
= 25
o
C
V
o
OutputVoltage
I
o
= 5mA to1 A
V
i
= 7 to 20 V
V
o
*
Line Regulation
V
i
= 7 to 25 V
V
i
= 8 to 12 V
V
o
*
Load Regulation
I
o
= 5 to 1500 mA
I
o
= 250 to 750mA
I
d
Quiescent Current
T
j
= 25
o
C
I
d
Quiescent Current Change
I
o
= 5 to 1000 mA
I
d
Quiescent Current Change
V
i
= 7 to 25 V
V
o
T
eN
OutputNoise Voltage
B = 10Hz to100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
= 8 to 18 V
V
d
Dropout Voltage
I
o
= 1 A
R
o
OutputResistance
f = 1 KHz
I
sc
Short Circuit Current
V
i
= 35 V
I
scp
Short Circuit Peak Current
T
j
= 25
o
C
Min.
4.8
Typ.
5
Max.
5.2
Unit
V
P
o
≤
15W
4.75
5
5.25
V
T
j
= 25
o
C
T
j
= 25
o
C
3
1
100
50
mV
mV
T
j
=25
o
C
T
j
=25
o
C
100
50
mV
mV
8
mA
0.5
mA
0.8
mA
mV/
o
C
OutputVoltage Drift
I
o
= 5mA
-1.1
40
μ
V
dB
f = 120 Hz
T
j
=25
o
C
62
2
V
17
m
mA
T
j
=25
o
C
750
2.2
A
* Load and line regulation are specified at constant junction temperature. Changes in V
o
due to heating effects must be taken into account
separately. Pulce testing with low duty cycle isused.
L7800
9/25
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