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SC1537

Part Number	SC1537
Manufacturer	Semtech Corporation
Description	700mA SmartLDOTM
Published	Apr 8, 2005
Detailed Description	700mA SmartLDO TM SC1537 PRELIMINARY - July 25, 2000 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com D...
Datasheet	SC1537 PDF File

Overview

700mA SmartLDO TM SC1537 PRELIMINARY - July 25, 2000 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.
semtech.
com DESCRIPTION The SC1537 is designed to maintain a glitch-free 3.
3V output when at least one of two inputs, 5V (VIN) and 3.
3V (VAUX), is present.
Whenever VIN exceeds a predetermined threshold value, the internal 3.
3V linear regulator is enabled, and DR is pulled high.
When VIN falls below a lower threshold value, DR is pulled low and the internal linear regulator is turned off.
DR has been designed to drive the gate of an external low threshold P-channel MOSFET, which can be used to connect the 3.
3V supply directly to the regulator output.
This ensures an uninterrupted 3.
3V o...

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