General Description
The RT9202 is a single power supply PWM DC-DC converter controller designed to drive N-MOSFET in a synchronous buck topology. The IC integrates the control, output adjustment, monitoring and protection functions in a small 8-pin package.

Features
• Operate From 5V
• 0.8V Internal Reference
• Drive TwoN-MOSFETs
• Voltage Mode PWM Control
• Fast Transient Response
• Fixed 300kHz Oscillator Frequency
• Full 0 to 100% Duty Cycle
• Internal Soft Start
• Adaptive Non-Overlapping Gate Driver
• Over-Current Monitor Uses MOSFET RDS(ON)
• Over-Voltage Protection Uses Low-Side MOSFET
• RoHS Compliant and 100% Lead (Pb)-Free

Applications
• Motherboard Power Regulation for Computers
• Subsystems Power Supplies
• Cable Modems, Set Top Box, and DSL Modems
• DSP and Core Communications processor Supplies
• Memory Power Supplies
• Personal Computer Peripherals
• Industrial Power Supplies
• 5V-InputDC-DC Regulators
• LowVoltage Distributed Power Supplies