General Description
The RT8202/A/B 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.

Features
● Ultra-High Efficiency
● Resistor Programmable Current Limit by Low Side
   RDS(ON) Sense (Lossless Limit) or Sense Resistor
   (High Accuracy)
● Quick Load Step Response within 100ns
● 1% VOUT Accuracy over Line and Load
● Adjustable 0.75V to 3.3V Output Range
● 4.5V to 26V Battery Input Range
● Resistor Programmable Frequency
● Over/Under Voltage Protection
● 2 Steps Current Limit During Soft-Start
● Drives Large Synchronous-Rectifier FETs
● Power Good Indicator
● RoHS Compliant and 100% Lead (Pb)-Free

Applications
● Notebook Computers
● CPU Core Supply
● Chipset/RAM Supply as Low as 0.75V