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LP2951CMX 参数 Datasheet PDF下载

LP2951CMX图片预览
型号: LP2951CMX
PDF下载: 下载PDF文件 查看货源
内容描述: 可调微功率稳压器 [Adjustable Micro Power Voltage Regulator]
分类和应用: 线性稳压器IC调节器电源电路光电二极管输出元件
文件页数/大小: 10 页 / 49 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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www.fairchildsemi.com
LP2951
Adjustable Micro Power Voltage Regulator
Features
Low Quiescent Current
Low Dropout Voltage
Low Temperature Coefficient
Tight Line and Load Regulation
Guaranteed 100mA Output Current
Internal Short Current & Thermal Limit
Error Signals of Output Dropout (8 pin Versions Only)
External Shut-down ( 8 pin Versions Only)
Description
The LP2951 is an adjustable micro power voltage regulator
suitable for use in battery-powered systems. This regulator
has various functions such as alarm which warns of a low
output voltage, often due to falling batteries on the input, the
external shutdown which enables the regulator to be
switched on and off, current and temperature limiting.
8-SOP
1
Internal Block Diagram
OUT(1)
INPUT(8)
+
PROGRAM
(2)
ERROR
AMPLIFIER
-
+
FEEDBACK(7)
C1
-
SHUTDOWN(3)
+
OFFSE
TAP(6)
FROM
EXTERNAL
INPUT
SCP
+
T
ERROR
COMPARATO
1.25V
+
COMPARATOR
R
REFERENCE
TO
EXTERNAL
INPUT
GROUND(4)
ERROR(5)
Rev. 1.0.0
©2001 Fairchild Semiconductor Corporation