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RT9224E

Richtek Technology
Part Number RT9224E
Manufacturer Richtek Technology
Description VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor
Published Oct 26, 2005
Detailed Description Preliminary RT9224E VRM 8.5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor General Description T...
Datasheet PDF File RT9224E PDF File

RT9224E
RT9224E

Overview
Preliminary RT9224E VRM 8.
5 Synchronous PWM Buck Converter Controller and Output Voltage Monitor General Description The RT9224E 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.
05V to 1.
825V by a 5-bit DAC which provides initial accuracy of ±1%.
The RT9224E 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 N-channel MOSFET and provides an adjustable current limit without external sense resistor.
RT9224E monitors the output voltage and prov...


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