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XC9265 - Ultra Low Power Synchronous Step-Down PFM DC/DC Converter

Description

(TYP.) Pch driver and 0.4Ω (TYP.) Nch synchronous switching transistor, designed to allow the use of ceramic capacitor.

Features

  • Voltage Range : 2.0V ~ 6.0V Output Voltage Setting Output Current : 1.0V ~ 4.0V (±2.0%, 0.05V increments) : 200mA (XC9265A/C) 50mA (XC9265B/D) Driver Transistor : 0.4Ω (Pch Driver Tr) 0.4Ω (Nch Synchronous rectifier Switch Tr) Supply Current Control Method : 0.50μA @ VOUT(T)=1.8V (TYP. ) : PFM control High Speed Transient PFM Switching Current Function : 50mV (VIN=3.6V, VOUT=1.8V, IOUT=10μA→50mA) : 330mA (XC9265A/C), 180mA (XC9265B/D) : Short Protection CL Discharge (XC9265C/ D) UVLO.

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Full PDF Text Transcription

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XC9265 Series ETR05053-007b Ultra Low Power Synchronous Step-Down PFM DC/DC Converter ■GENERAL DESCRIPTION ☆Green Operation Compatible XC9265 series are Ultra Low Power synchronous-rectification type PFM step down DC/DC converters with a built-in 0.4Ω (TYP.) Pch driver and 0.4Ω (TYP.) Nch synchronous switching transistor, designed to allow the use of ceramic capacitor. PFM control enables a low quiescent current, making these products ideal for battery operated devices that require high efficiency and long battery life. Only inductor, CIN and CL capacitors are needed as external parts to make a step down DC/DC circuit. Operation voltage range is from 2.0V to 6.0V. This product has fixed output voltage from 1.0V to 4.0V(accuracy: ±2.0%) in increments of 0.05V.
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