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XC9276 - Synchronous Step-Down PFM DC/DC Converter

Description

The XC9276 Series is a 150mA step-down synchronous rectification DC/DC converter which has an output voltage switchover function with an ultra-low power consumption circuit and a PFM control.

Features

  • nput Voltage Range Output Voltage Setting Output Voltage Accuracy Output Current Supply Current Control Method Function : 1.8V ~ 6.0V : 0.5V ~ 1.9V (0.05V increments) 2.0V ~ 3.6V (0.1V increments) ±20mV (VOUT1,2≦1.0V) ±2.0% (VOUT1,2＞1.0V) : 150mA : 200nA @ VOUT=1.8V (TYP. ) : PFM control : Output Voltage selectable function.
  • Devices with 1 Lithium cell CL Discharge (D Type) UVLO function Protection Functions : Short Protection Input / Output Capacitor : Ceramic Capacitor Compatible.

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Full PDF Text Transcription

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XC9276 Series ETR05070-006c Ultra-Low Quiescent Current, Synchronous Step-Down PFM DC/DC Converter with Output voltage selectable function ☆Green Operation compatible ■GENERAL DESCRIPTION The XC9276 Series is a 150mA step-down synchronous rectification DC/DC converter which has an output voltage switchover function with an ultra-low power consumption circuit and a PFM control. The efficiency performance at a light load current is dramatically improved by implementing ultra-low power consumption circuits which has 200nA consumption current, and PFM control method. Additionally two-preset output voltage switchover function is available with using VSET pin.
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