參數(shù)資料
型號(hào)： 7805CV
廠商： 永盛國(guó)際集團(tuán)
英文描述： POSITIVE-VOLTAGE REGULATORS
中文描述： 正電壓調(diào)節(jié)器
文件頁(yè)數(shù)： 12/23頁(yè)
文件大?。?/td> 264K
代理商： 7805CV
ELECTRICALCHARACTERISTICS FOR L7815C
(refer to the test circuits, T
j
= 0 to 125
o
C, V
i
= 23V,
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
= 17.5 to 30 V
V
o
*
Line Regulation
V
i
= 17.5 to 30 V
V
i
= 20 to 26 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
= 17.5 to 30 V
V
o
T
eN
OutputNoise Voltage
B = 10Hz to100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
= 18.5 to 28.5 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
14.4
15
15.6
V
P
o
≤
15W
14.25
15
15.75
V
T
j
= 25
o
C
T
j
=25
o
C
T
j
=25
o
C
T
j
=25
o
C
300
150
mV
mV
300
150
mV
mV
8
mA
0.5
mA
1
mA
mV/
o
C
OutputVoltage Drift
I
o
= 5mA
-1
90
μ
V
dB
f= 120 Hz
54
2
V
19
m
mA
230
2.1
A
ELECTRICALCHARACTERISTICS FOR L7812C
(refer to the test circuits, T
j
= 0 to 125
o
C, V
i
= 19V,
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
= 14.5 to 27 V
V
o
*
Line Regulation
V
i
= 14.5 to 30 V
V
i
= 16 to 22 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
= 14.5 to 30 V
V
o
T
eN
OutputNoise Voltage
B = 10Hz to100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
= 15 to 25 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.
11.5
Typ.
12
Max.
12.5
Unit
V
P
o
≤
15W
11.4
12
12.6
V
T
j
= 25
o
C
T
j
=25
o
C
T
j
=25
o
C
T
j
=25
o
C
240
120
mV
mV
240
120
mV
mV
8
mA
0.5
mA
1
mA
mV/
o
C
OutputVoltage Drift
I
o
= 5mA
-1
75
μ
V
dB
f = 120 Hz
55
2
V
18
m
mA
350
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
12/25
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