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XCM517 - 600mA Synchronous Dual Output Step-Down DC/DC Converters

Description

The XCM517 series is a multi combination module IC which comprises of two 600mA driver transistor built-in synchronous step

down DC/DC converter.

The XCM517 series is available in an ultra small package USP-12B01 suited for space conscious applications.

Features

  • -channel MOS Driver Transistor Built-In : ON resistance 0.42Ω N-channel MOS Switching Transistor Built-In : ON resistance 0.52Ω Input Voltage Range : 2.7V ~ 6.0V High Efficiency : 92% (TYP. ) Output Current : 600mA Oscillation Frequency : 1.2MHz, 3.0MHz (+15%) Maximum Duty Cycle Soft-Start Circuit Built-In : 100% Current Limiter Circuit Built-In (Constant Current & Latching) Ceramic Capacitor Compatible Control Methods : PWM (XCM517xA / XCM517xB) PWM/PFM Auto (XCM517xC / XCM517xD.

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XCM517 Series 600mA Synchronous Dual Output Step-Down DC/DC Converter ETR2425-008 ■GENERAL DESCRIPTION The XCM517 series is a multi combination module IC which comprises of two 600mA driver transistor built-in synchronous step–down DC/DC converter. The XCM517 series is available in an ultra small package USP-12B01 suited for space conscious applications. The XCM517 series is a group of synchronous-rectification type DC/DC converters with a built-in 0.42ΩP-channel MOS driver transistor and 0.52ΩN-channel MOS switching transistor, designed to allow the use of ceramic capacitors. The ICs enable a high efficiency, stable power supply with an output current of 600mA to be configured using only a coil and two capacitors connected externally. Operating voltage range is from 2.7V to 6.0V.
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