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参数资料
| 型号： | L7908ACD2T |
| 厂商： | 意法半导体 |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 2% NEGATIVE VOLTAGE REGULATORS |
| 中文描述： | 2％的负电压调节器 |
| 文件页数： | 6/11页 |
| 文件大小： | 93K |
| 代理商： | L7908ACD2T |
* 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 L7918A
(refer to the test circuits, T
j
= 0 to 125
o
C,
V
i
= -27V, 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
= -22to -33 V
V
o
*
LineRegulation
V
i
= -21to -33 V
V
i
= -24to -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
= -22to -33 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
-17.64
-18
-18.36
V
P
o
≤
15 W
-17.3
-18
-18.7
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
3
mA
0.5
mA
1
mA
OutputVoltageDrift
I
o
= 5 mA
-1
mV/
o
C
300
μ
V
dB
f= 120Hz
T
j
= 25
o
C
54
60
1.1
V
1.1
A
2.2
A
ELECTRICALCHARACTERISTICS FOR L7920A
(refer to the test circuits, T
j
= 0 to 125
o
C,
V
i
= -29V, 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
= -24to -35 V
V
o
*
LineRegulation
V
i
= -23to -35 V
V
i
= -26to -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
= -24to -35 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
-19.6
-20
-20.4
V
P
o
≤
15 W
-19.2
-20
-20.8
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
3
mA
0.5
mA
1
mA
OutputVoltageDrift
I
o
= 5 mA
-1.1
mV/
o
C
350
μ
V
dB
f= 120Hz
T
j
= 25
o
C
54
60
1.1
V
0.9
A
2.2
A
L7900AC
6/11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| L7908ACD2T-TR | 功能描述:线性稳压器 - 标准 8.0V 1.5A Negative RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| L7908ACV | 功能描述:线性稳压器 - 标准 8.0V 1.5A Negative RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| L7908C | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:NEGATIVE VOLTAGE REGULATORS |
| L7908CD2T | 功能描述:线性稳压器 - 标准 8.0V 1.5A Negative RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| L7908CD2T-TR | 功能描述:线性稳压器 - 标准 8.0V 1.5A Negative RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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