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XC9140A - Step-UpSynchronous PFM DC/DC Converter

This page provides the datasheet information for the XC9140A, a member of the XC9140 Step-UpSynchronous PFM DC/DC Converter family.

Datasheet Summary

Description

The XC9140 series are step-up synchronous DC/DC converters that support ceramic capacitors and have an internal 0.6Ω Nch driver transistor and an internal 0.65Ω Pch synchronous rectifier switch transistor.

Features

  • Voltage Range Output Voltage Setting Output Current Driver Transistor Supply Current Control Method High speed transient response PFM Switching Current Functions Output Capacitor Operating Ambient Temperature Packages Environmentally Friendly : operating hold voltage 0.7V ~ 5.5V Start-up voltage 0.9V ~ 5.5V : Without UVLO 1.8V ~ 5.0V (±2.0%) With UVLO 3.0V ~ 5.0V (±2.0%) : 80mA＠VOUT=3.3V, VBAT=1.8V : 0.6Ω Nch driver transistor 0.65Ω Pch synchronous rectifier switch transistor : 6.3μA (V.

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Datasheet preview – XC9140A

Datasheet Details

Part number XC9140A
Manufacturer TOREX
File Size 1.93 MB
Description Step-UpSynchronous PFM DC/DC Converter
Datasheet download datasheet XC9140A Datasheet
Additional preview pages of the XC9140A datasheet.

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Full PDF Text Transcription

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XC9140 Series ETR04015-009 Step-Up Synchronous PFM DC/DC Converter ■ GENERAL DESCRIPTION ☆Green Operation Compatible The XC9140 series are step-up synchronous DC/DC converters that support ceramic capacitors and have an internal 0.6Ω Nch driver transistor and an internal 0.65Ω Pch synchronous rectifier switch transistor. PFM control enables a low quiescent current, making these products ideal for portable devices that require high efficiency. When the output voltage is 3.3V and the load current is 1mA, startup from an input voltage of VIN = 0.9V is possible which means that these products can be used in applications that start using a single alkaline or nickel-metal hydride battery. A version with a UVLO (Under Voltage Lock-out) function is also available.
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