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参数资料
| 型号： | L7908CV |
| 厂商： | 意法半导体 |
| 英文描述： | 3 AMP SUBMINIATURE RELAY |
| 中文描述： | 负电压调节器 |
| 文件页数： | 5/13页 |
| 文件大小： | 111K |
| 代理商： | L7908CV |
* 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 is used.
ELECTRICALCHARACTERISTICS FOR L7912C
(refer to the test circuits, T
j
= 0 to 150
o
C,
V
i
= -19V, I
o
= 500mA, C
i
= 2.2
μ
F, C
o
= 1
μ
F unless otherwisespecified)
Symbol
Parameter
Test Conditions
T
j
= 25
o
C
V
o
OutputVoltage
I
o
= -5mA to -1A
V
i
= -15.5to -27 V
V
o
*
LineRegulation
V
i
= -14.5to -30 V
V
i
= -16to -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
= -15to -30 V
V
o
T
e
N
OutputNoise Voltage
B = 10Hzto 100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
=10 V
V
d
Dropout Voltage
I
o
= 1 A
V
O
= 100 mV
I
sc
Short Circuit Current
I
scp
Short Circuit Peak Current
T
j
= 25
o
C
Min.
Typ.
Max.
Unit
V
o
OutputVoltage
-11.5
-12
-12.5
V
P
o
≤
15 W
-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
3
mA
0.5
mA
1
mA
OutputVoltageDrift
I
o
= 5 mA
-0.8
mV/
o
C
200
μ
V
dB
f= 120Hz
T
j
= 25
o
C
54
60
1.1
V
1.5
A
2.5
A
ELECTRICALCHARACTERISTICS FOR L7915C
(refer to the test circuits, T
j
= 0 to 150
o
C,
V
i
= -23V, I
o
= 500mA, C
i
= 2.2
μ
F, C
o
= 1
μ
F unless otherwisespecified)
Symbol
Parameter
Test Conditions
T
j
= 25
o
C
V
o
OutputVoltage
I
o
= -5mA to -1A
V
i
= -18.5to -30 V
V
o
*
LineRegulation
V
i
= -17.5to -30 V
V
i
= -20to -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
= -18.5to -30 V
V
o
T
e
N
OutputNoise Voltage
B = 10Hzto 100KHz T
j
= 25
o
C
SVR
Supply Voltage Rejection
V
i
=10 V
V
d
Dropout Voltage
I
o
= 1 A
V
O
= 100 mV
I
sc
Short Circuit Current
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
≤
15 W
-14.3
-15
-15.7
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
3
mA
0.5
mA
1
mA
OutputVoltageDrift
I
o
= 5 mA
-0.9
mV/
o
C
250
μ
V
dB
f= 120Hz
T
j
= 25
o
C
54
60
1.1
V
1.3
A
2.2
A
L7900
5/13
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