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L7905CV 参数 Datasheet PDF下载

L7905CV图片预览
型号: L7905CV
PDF下载: 下载PDF文件 查看货源
内容描述: 负稳压器 [Negative voltage regulators]
分类和应用: 线性稳压器IC调节器电源电路输出元件PC局域网
文件页数/大小: 21 页 / 403 K
品牌: STMICROELECTRONICS [ STMICROELECTRONICS ]
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L79xxC
Table 7.
Symbol
V
O
V
O
ΔV
O(1)
ΔV
O(1)
I
d
ΔI
d
ΔV
O
/ΔT
eN
SVR
V
d
I
sc
Electrical characteristics
Electrical characteristics of L7915C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -23 V,
I
O
= 500 mA, C
I
= 2.2 µF, C
O
= 1 µF unless otherwise specified)
Parameter
Output voltage
Output voltage
T
J
= 25°C
I
O
= -5 mA to -1 A, P
O
15 W
V
I
= -18.5 to -30 V
V
I
= -17.5 to -30 V, T
J
= 25°C
V
I
= -20 to -26 V, T
J
= 25°C
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Dropout voltage
Short circuit current
I
O
= 5 mA to 1.5 A, T
J
= 25°C
I
O
= 250 to 750 mA, T
J
= 25°C
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= -18.5 to -30 V
I
O
= 5 mA
B = 10Hz to 100kHz, T
J
= 25°C
ΔV
I
= 10 V, f = 120Hz
I
O
= 1 A, T
J
= 25°C,
ΔV
O
= 100 mV
54
-0.9
250
60
1.1
1.3
Test conditions
Min.
-14.4
-14.3
Typ.
-15
-15
Max.
-15.6
-15.7
300
mV
150
300
mV
150
3
0.5
mA
1
mV/°C
µV
dB
V
A
mA
Unit
V
V
Line regulation
1. 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 cycle is used.
Table 8.
Symbol
V
O
V
O
ΔV
O(1)
ΔV
O(1)
I
d
ΔI
d
ΔV
O
/ΔT
eN
SVR
V
d
I
sc
Electrical characteristics of L7920C
(refer to the test circuits, T
J
= 0 to 125 °C, V
I
= -29 V,
I
O
= 500 mA, C
I
= 2.2 µF, C
O
= 1 µF unless otherwise specified)
Parameter
Output voltage
Output voltage
T
J
= 25°C
I
O
= -5 mA to -1 A, P
O
15 W
V
I
= -24 to -35 V
V
I
= -23 to -35 V, T
J
= 25°C
V
I
= -26 to -32 V, T
J
= 25°C
Load regulation
Quiescent current
Quiescent current change
Output voltage drift
Output noise voltage
Supply voltage rejection
Dropout voltage
Short circuit current
I
O
= 5 mA to 1.5 A, T
J
= 25°C
I
O
= 250 to 750 mA, T
J
= 25°C
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= -24 to -35 V
I
O
= 5 mA
B = 10Hz to 100kHz, T
J
= 25°C
ΔV
I
= 10 V, f = 120Hz
I
O
= 1 A, T
J
= 25°C,
ΔV
O
= 100 mV
54
-1.1
350
60
1.1
0.9
Test conditions
Min.
-19.2
-19
Typ.
-20
-20
Max.
-20.8
-21
400
mV
200
400
mV
200
3
0.5
mA
1
mV/°C
µV
dB
V
A
mA
Unit
V
V
Line regulation
1. 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 cycle is used.
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