General Description

The RT9212 is a 3-in-one power controller delivers high efficiency and tight regulation from two voltage regulating synchronous buck PWM DC-DC and one linear power controllers.

Features

• Operating with Single 5V Supply Voltage

• Drives All Low Cost N-MOSFETs

• Voltage Mode PWM Control

• 300kHz Fixed Frequency Oscillator

• Fast Transient Response : Full 0 to 100 Duty Ratio

• Internal Soft-Start

• Adaptive Non-Overlapping Gate Driver

• Over-Current Fault Monitor on VCC, No Current Sense Resistor Required

• RoHS Compliant and 100 Lead (Pb)-Free

Applications

• Graph Card

• Motherboard, Desktop Servers

• IA Equipments

• Telecomm Equipments

• High Power DC-DC Regulators