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LP2953AMGW/883 bảng dữ liệu(PDF) 19 Page - Texas Instruments

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tên linh kiện LP2953AMGW/883
Giải thích chi tiết về linh kiện  Adjustable Micropower Low-Dropout Voltage Regulators
PDF  26 Pages
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nhà sản xuất  TI1 [Texas Instruments]
Trang chủ  http://www.ti.com
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LP2953AMGW/883 bảng dữ liệu(HTML) 19 Page - Texas Instruments

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LP2953QML, LP2953QML-SP
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SNVS395C – NOVEMBER 2010 – REVISED APRIL 2013
The circuit switches to the NI-CAD backup battery when the main battery voltage drops below about 5.6V, and returns
to the main battery when its voltage is recharged to about 6V.
The 5V MAIN output powers circuitry which requires no backup, and the 5V MEMORY output powers critical circuitry
which can not be allowed to lose power.
* The BATTERY LOW flag goes low whenever the circuit switches to the NI-CAD backup battery.
Figure 37. 5V Battery Powered Supply with Backup and Low Battery Flag
Figure 38. 5V Regulator with Timed Power-On Reset
* RT = 1 MEG, CT = 0.1 μF
Figure 39. Timing Diagram for Timed Power-On Reset
Copyright © 2010–2013, Texas Instruments Incorporated
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Product Folder Links: LP2953QML LP2953QML-SP



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