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参数资料
| 型号： | LP2951ACDM |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 固定／可调正电压单路输出LDO稳压器 |
| 英文描述： | Micropower Voltage Regulators |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45 V DROPOUT, PDSO8 |
| 封装： | PLASTIC, MICROPAK-8 |
| 文件页数： | 2/18页 |
| 文件大小： | 164K |
| 代理商： | LP2951ACDM |
LP2950, LP2951, NCV2951
http://onsemi.com
10
TYPICAL APPLICATIONS
Figure 19. Lithium Ion Battery Cell Charger
1N4001
GND
4.2 V
± 0.025 V
NC
50 k
5
3
Error
SD
GND FB
47
6
VO T
SNS
2
Vout
Vin
8
1
0.1
mF
NC
LP2951CN
2.2
mF
330 pF
806 k
1.0%
2.0 M
1.0%
Lithium Ion
Rechargeable
Cell
Unregulated Input
6.0 to 10 Vdc
Figure 20. Low Drift Current Sink
Error
Output
Shutdown
Input
+V = 2.0 to 30 V
1.0
mF
R
5
3
Error
SD
GND
FB
47
6
VO T
SNS
2
Vout
Vin
8
1
0.1
mF
Load
IL = 1.23/R
IL
Figure 21. Latch Off When Error Flag Occurs
Reset
+Vin
Vout
1.0
mF
NC
R2
R1
470 k
5
3
Error
SD
GND FB
47
6
VO T
SNS
2
Vout
Vin
8
1
LP2951CN
470 k
Error flag occurs when Vin is too
low to maintain Vout, or if Vout is re-
duced by excessive load current.
Normally
Closed
2N3906
Figure 22. 5.0 V Regulator with 2.5 V Sleep Function
*Sleep
Input
+Vin
Vout
3.3
mF
NC
100 k
470 k
5
3
Error
SD
GND
FB
47
6
VO T
SNS
2
Vout
Vin
8
1
LP2951CN
200 k
100 pF
2N3906
47 k
CMOS
Gate
Error
Output
Shutdown
Input
LP2951CN
相关PDF资料 |
PDF描述 |
|---|---|
| LP2951ACDM-3.3 | Micropower Voltage Regulators |
| LP2951ACD | Micropower Voltage Regulators |
| LP2951ACN | Micropower Voltage Regulators |
| LP2951CM-3.3 | 150mA ADJUSTABLE VOLTAGE REGULATOR |
| LP2951CM-5 | 150mA ADJUSTABLE VOLTAGE REGULATOR |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LP2951ACDM3.0 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:100 mA, Low Power Low Dropout Voltage Regulator |
| LP2951ACDM-3.0 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Micropower Voltage Regulators |
| LP2951ACDM-3.0R2 | 功能描述:低压差稳压器 - LDO 3V 100mA Low Power RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP2951ACDM-3.0RG | 功能描述:低压差稳压器 - LDO ANA 100MA 3V LDO VREG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| LP2951ACDM3.3 | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:100 mA, Low Power Low Dropout Voltage Regulator |
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