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RT8209A Datasheet - Richtek

RT8209A Single Synchronous Buck Controller

The RT8209A/B/C PWM controller provides 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 wi.

RT8209A Features

* z z Ultra-High Efficiency Resistor Programmable Current Limit by Low Side RDS(ON) Sense (Lossless Limit) Quick Load Step Response within 100ns 1% VFB Accuracy over Line and Load 4.5V to 26V Battery Input Range Resistor Programmable Frequency Integrated Bootstrap Switch Integrated Negative Current L

RT8209A_Richtek.pdf