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XC9509 - Synchronous Step-Down DC/DC Converter

Datasheet Summary

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.

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Datasheet Details

Part number XC9509
Manufacturer Torex Semiconductor
File Size 1.96 MB
Description Synchronous Step-Down DC/DC Converter
Datasheet download datasheet XC9509 Datasheet
Additional preview pages of the XC9509 datasheet.

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Full PDF Text Transcription

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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 over 90%. The XC9509 is designed for use with small ceramic capacitors.
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