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

Manufacturer: Torex Semiconductor

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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.

Overview

XC9265 Series ETR05053-007b Ultra Low Power Synchronous Step-Down PFM DC/DC Converter.

Key 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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