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XC9254R - Synchronous Step-Down DC/DC Converter

Description

The XC9254R series is a group of synchronous-rectification type DC/DC converters with a built-in 0.42 P-channel MOS driver transistor and 0.52 N-channel MOS switching transistor, designed to allow the use of ceramic capacitors.

Operating voltage range is from 2.0V to 6.0V.

Features

  • Driver Transistor Built-In : 0.42 P-ch driver transistor 0.52 N-ch switch transistor Input Voltage : 2.0V ~ 6.0V Output Voltage : 1.2V High Efficiency : 92% (TYP. ) Output Current : 600mA Oscillation Frequency : 1.2MHz (+15%) Maximum Duty Cycle : 100% Control Methods : PWM/PFM Auto Function : Current Limiter Circuit Built-In (Constant Current & Latching) Capacitor Operating Ambient Temperature Packages CL Discharge : Low ESR Ceramic Capacitor : -40 +85 : SOT-25, USP-6C Envi.

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Full PDF Text Transcription

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XC9254R Series ETR0529-003 600mA Driver Tr. Built-In, Synchronous Step-Down DC/DC Converter GreenOperation Compatible GENERAL DESCRIPTION The XC9254R series is a group of synchronous-rectification type DC/DC converters with a built-in 0.42 P-channel MOS driver transistor and 0.52 N-channel MOS switching transistor, designed to allow the use of ceramic capacitors. Operating voltage range is from 2.0V to 6.0V. The XC9254R001 type has a fixed output voltage of 1.2V (accuracy: 2.0%). The device provides a high efficiency, stable power supply with an output current of 600mA to be configured using only a coil and two capacitors connected externally. With the built-in oscillator, 1.2MHz is fixed internally.
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