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XC9509

Part Number	XC9509
Manufacturer	Torex Semiconductor
Description	Synchronous Step-Down DC/DC Converter
Published	May 30, 2007
Detailed Description	XC9509 Series Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage Detector ETR10...
Datasheet	XC9509 PDF File

Overview

XC9509 Series Synchronous Step-Down DC/DC Converter with Built-In LDO Regulator in Parallel Plus Voltage Detector ETR1006_001 GENERAL DESCRIPTION The XC9509 series consists of a step-down DC/DC converter and a high-speed LDO regulator connected in parallel with the DC/DC converter's output.
A voltage detector is also built-in.
Since the input for the LDO voltage regulator block comes from the input power supply, it is suited for use with various applications.
The DC/DC converter block incorporates a P-channel driver transistor and a synchronous N-channel switching transistor.
With an external coil, diode and two capacitors, the XC9509 can deliver output currents up to 600mA at efficiencies...

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