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NCP303LSN45T1G 产品设计参考手册 - ON Semiconductor（安森美）
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ON Semiconductor（安森美）
分类:
电源监控芯片
封装:
SOT-23-5
描述:
ON SEMICONDUCTOR NCP303LSN45T1G 芯片, 电压探测器, SMD
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NCP303LSN45T1G数据手册
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若手册格式错乱，请下载阅览PDF原文件
DN06060/D
September 2009, Rev. 1 www.onsemi.com 1
Design Note – DN06060/D
Detection Voltage Selection Guidelines for
Application of NCP30X Family Series
Device Application Input Voltage Output Power Topology I/O Isolation
NCP30X
Voltage Supervisory
Rest IC
N/A N/A N/A N/A
Circuit Description
VIN
CD
RESET
GND
Driver Block
for Delay
Capacitor *
Output Stage
Open Drain or
Complementary
Output
* For NCP302/303 Series
Vref
Fig 1. General block diagram of NCP30X family series
The Fig 1. shows the basic block diagram of NCP30X supervisory family series. It features a highly accurate undervoltage
detector with hysteresis. Some parts also feature an externally programmable time delay generator by adding a delay
capacitor at the CD pin. This combination of features prevents the system from erratic reset operation.
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