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LT3645 - 36V 500mA Step-Down Regulator and 200mA LDO

Description

The LT®3645 is a dual output regulator combining a 500mA buck regulator and a 200mA low dropout linear regulator (LDO).

Features

  • n Wide Input Range: Operation from 3.6V to 36V Overvoltage Lockout Protects Circuit Through 55V Transients on Input n 500mA Output Current Switching Regulator n High Switching Frequency: 750kHz n 200mA Low Dropout Linear Regulator 1.2V to 16V Input; 0.8V to 8V Output 310mV Dropout Voltage VCC2 to OUT2 n Precision Programmable Undervoltage Lockout n Short-Circuit Robust n Internal Soft-Start n.

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Full PDF Text Transcription

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LT3645 36V 500mA Step-Down Regulator and 200mA LDO FEATURES n Wide Input Range: Operation from 3.6V to 36V Overvoltage Lockout Protects Circuit Through 55V Transients on Input n 500mA Output Current Switching Regulator n High Switching Frequency: 750kHz n 200mA Low Dropout Linear Regulator 1.2V to 16V Input; 0.8V to 8V Output 310mV Dropout Voltage VCC2 to OUT2 n Precision Programmable Undervoltage Lockout n Short-Circuit Robust n Internal Soft-Start n <2μA Shutdown Current n Small Thermally Enhanced 16-Lead (3mm × 3mm) QFN and 12-Lead MSE Packages APPLICATIONS n Automotive CMOS Image Sensors n Industrial/Automotive Micro-Controller Supply DESCRIPTION The LT®3645 is a dual output regulator combining a 500mA buck regulator and a 200mA low dropout linear regulator (LDO).
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