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Xc9301 - Step-Up & Down DC/DC Converter Controller

Description

The XC9301/XC9302 series are step-up/down DC/DC converter controller ICs with fast, low ON resistance drivers built-in.

Features

  • Input Voltage Range : 2.0V ~ 10V Output Voltage Range : 2.4V ~ 6.0V (ʶ2.5% accuracy) (selectable in 0.1V increments) Oscillation Frequency : 180kHz, 300kHz (ʶ15% accuracy) Output Current : 250mA(VIN=2.4V, VOUT=3.3V) Efficiency : 81%(TYP. ) @ VOUT=5.0V, 78%(TYP. ) @ VOUT=3.3V Stand-By : ISTB = 0.5ЖA (MAX. ) Maximum Duty Cycle : 85%(TYP. ) Package : SOT-25 Environmentally Friendly: EU RoHS Compliant, Pb Free ˙.

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Full PDF Text Transcription

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XC9301/XC9302 Series ETR0601_001c PWM,PWM/PFM Switching Step-Up & Down DC/DC Converter Controller ICs ˑGreen Operation Compatible ˙GENERAL DESCRIPTION The XC9301/XC9302 series are step-up/down DC/DC converter controller ICs with fast, low ON resistance drivers built-in. A ç versatile, large output current, step-up/down DC/DC converter can be realized using only 4 type of basic external components two transistors, one inductor, two diodes and capacitors. Output voltage is selectable in 0.1V increments within a 2.4V ~ 6.0V (ʶ2.5% accuracy) range and switching frequency is set at 180kHz or 300kHz. The XC9302 series switches from PWM to PFM control during light loads and the series offers high efficiencies from light loads through to large output currents.
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