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RT9224

Part Number	RT9224
Manufacturer	Richtek Technology
Description	5-Bit Programmable Synchronous PWM Buck Converter Controller and Output Voltage Monitor
Published	Oct 26, 2005
Detailed Description	RT9224 5-Bit Programmable Synchronous PWM Buck Converter Controller and Output Voltage Monitor General Description The R...
Datasheet	RT9224 PDF File

Overview

RT9224 5-Bit Programmable Synchronous PWM Buck Converter Controller and Output Voltage Monitor General Description The RT9224 is a high speed switching controller designed for use in synchronous DC/DC buck converter for modern CPUs.
The regulated output voltage is digitally programmable from 1.
3V to 3.
5V by a 5-bit DAC which provides initial accuracy of ±1%.
The RT9224 drives two external N-Channel MOSFETs, providing high efficiency and eliminating the need for high cost P-Channel devices.
It senses the output current across the on-resistance of the upper N-Channel MOSFET and provides an adjustable current limit without external sense resistor.
RT9224 monitors the output voltage and provides...

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