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RT8204A

Richtek
Part Number RT8204A
Manufacturer Richtek
Description Single Synchronous Buck
Published Dec 1, 2013
Detailed Description RT8204A Single Synchronous Buck with LDO Controller General Description The RT8204A PWM controller provides the high eff...
Datasheet PDF File RT8204A PDF File

RT8204A
RT8204A

Overview
RT8204A Single Synchronous Buck with LDO Controller General Description The RT8204A PWM controller provides the high efficiency, excellent transient response, and high DC output accuracy needed for stepping down high voltage batteries to generate low voltage CPU core, I/O, and chipset RAM supplies in notebook computers.
The constant-on-time PWM control scheme handles wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency.
The RT8204A achieves high efficiency at a reduced cost by eliminating the current sense resistor found in traditional current mode PWMs.
Efficiency is further enhanced by its ability to drive very large synchronous rectifier MOSFETs.
The buck conversion allows this device to directly step down high voltage batteries for the highest possible efficiency.
The RT8204A is intended for CPU core, chipset, DRAM, or other low voltage supplies as low as 0.
75V.
A built-in ...


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