參數(shù)資料
型號： 7805CV
廠商： 永盛國際集團
英文描述： POSITIVE-VOLTAGE REGULATORS
中文描述： 正電壓調(diào)節(jié)器
文件頁數(shù)： 13/23頁
文件大小： 264K
代理商： 7805CV
ELECTRICALCHARACTERISTICS FOR L7820C
(refer to the test circuits, T
j
= 0 to 125
o
C, V
i
= 28V,
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
= 23 to 35 V
V
o
*
Line Regulation
V
i
= 22.5 to 35 V
V
i
= 26 to 32 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
= 23 to 35 V
V
o
T
eN
OutputNoise Voltage
B = 10Hz to100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
= 24 to 35 V
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
19.2
20
20.8
V
P
o
≤
15W
19
20
21
V
T
j
= 25
o
C
T
j
=25
o
C
T
j
=25
o
C
T
j
=25
o
C
400
200
mV
mV
400
200
mV
mV
8
mA
0.5
mA
1
mA
mV/
o
C
OutputVoltage Drift
I
o
= 5mA
-1
150
μ
V
dB
f = 120 Hz
52
2
V
24
m
mA
180
2.1
A
ELECTRICALCHARACTERISTICS FOR L7818C
(refer to the test circuits, T
j
= 0 to 125
o
C, V
i
= 26V,
I
o
= 500 mA,C
i
= 0.33
μ
F, C
o
= 0.1
μ
F unless otherwise specified)
Symbol
Parameter
Test Conditions
V
o
OutputVoltage
T
j
= 25
o
C
V
o
OutputVoltage
I
o
= 5mA to1 A
V
i
= 21 to 33 V
V
o
*
Line Regulation
V
i
= 21 to 33 V
V
i
= 24 to 30 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
= 21 to 33 V
V
o
T
eN
OutputNoise Voltage
B = 10Hz to100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
= 22 to 32 V
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.
17.3
Typ.
18
Max.
18.7
Unit
V
P
o
≤
15W
17.1
18
18.9
V
T
j
=25
o
C
T
j
=25
o
C
T
j
=25
o
C
T
j
=25
o
C
360
180
mV
mV
360
180
mV
mV
8
mA
0.5
mA
1
mA
mV/
o
C
OutputVoltage Drift
I
o
= 5mA
-1
110
μ
V
dB
f = 120 Hz
53
2
V
22
m
mA
200
2.1
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
13/25
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