参数资料
型号: LP2951CNG
厂商: ON Semiconductor
文件页数: 11/22页
文件大小: 0K
描述: IC REG LDO 5V/ADJ .1A 8-DIP
标准包装: 50
稳压器拓扑结构: 正,固定式或可调式
输出电压: 5V,1.25 V ~ 29 V
输入电压: 最高 30V
电压 - 压降(标准): 0.35V @ 100mA
稳压器数量: 1
电流 - 输出: 100mA
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
产品目录页面: 1119 (CN2011-ZH PDF)
其它名称: LP2951CNG-ND
LP2951CNGOS
LP2950, LP2951, NCV2951
TYPICAL APPLICATIONS
+V = 2.0 to 30 V
Unregulated Input
6.0 to 10 Vdc
I L
Load
I L = 1.23/R
NC
5 Error
8
V in
V out
1
1N4001
4.2 V ? 0.025 V
Error
Output
5
Error
8
V in
V out
1
0.1 m F
V O T
V O T
0.1 m F
3
SNS
LP2951CN
SD
2
NC
6 NC
330 pF
2.0 M
1.0%
Shutdown
Input
3
SNS
LP2951CN
SD
2
6
GND FB
4 7
2.2 m F
806 k
1.0%
50 k
Lithium Ion
Rechargeable
Cell
GND FB
4 7
R
1.0 m F
GND
Figure 21. Lithium Ion Battery Cell Charger
+V in
Figure 22. Low Drift Current Sink
+V in
*Sleep
CMOS
Gate
470 k
8
Input
2N3906
470 k
Reset
Normally
Closed
5
3
V in
Error V out
SNS
LP2951CN
SD V O T
GND FB
4 7
1
2
NC
6 NC
R1
V out
1.0 m F
47 k
Error
Output
Shutdown
Input
5
3
8
V in
Error V out
SNS
LP2951CN
SD V O T
GND FB
1
2
NC
6 NC
470 k
2N3906
200 k
100 k 100 pF
V out
3.3 m F
R2
4
7
Error flag occurs when V in is too
low to maintain V out , or if V out is re-
duced by excessive load current.
Figure 23. Latch Off When Error Flag Occurs
100 k
Figure 24. 5.0 V Regulator with 2.5 V Sleep Function
http://onsemi.com
11
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