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IRU3038 - SYNCHRONOUS PWM CONTROLLER

Datasheet Summary

Description

The IRU3038 controller IC is designed to provide a low cost synchronous Buck regulator for voltage tracking applications such DDR memory and general purpose on-board DC to DC converter.

Features

  • Synchronous Controller in 14-Pin Package Operating with single 5V or 12V supply voltage 200KHz to 400KHz operation set by an external resistor Soft-Start Function Fixed Frequency Voltage Mode 500mA Peak Output Drive Capability Uncommitted Error Amplifier available for DDR voltage tracking.

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Full PDF Text Transcription

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w D w a t S ( : w h D e .e a tS h e e 4 t U c o . ) m Data Sheet No. PD94250 IRU3038 SYNCHRONOUS PWM CONTROLLER FOR TERMINATION POWER SUPPLY APPLICATIONS PRELIMINARY DATA SHEET FEATURES Synchronous Controller in 14-Pin Package Operating with single 5V or 12V supply voltage 200KHz to 400KHz operation set by an external resistor Soft-Start Function Fixed Frequency Voltage Mode 500mA Peak Output Drive Capability Uncommitted Error Amplifier available for DDR voltage tracking application 1.25V Reference Voltage Protects the output when control FET is shorted DESCRIPTION The IRU3038 controller IC is designed to provide a low cost synchronous Buck regulator for voltage tracking applications such DDR memory and general purpose on-board DC to DC converter.
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