General Description

The RT8105 is a high efficiency synchronous buck PWM controllers that generate logic-supply voltages in PC based systems. These high performance , single output devices include internal soft-start, frequency compensation networks and integrates all of the control, output adjustment, monitoring and protection functions into a single package.

Features

Operating with 5V or 12V Supply Voltage

Drives All Low Cost N-MOSFETs

Voltage Mode PWM Control

300kHz Fixed Frequency Oscillator

Fast Transient Response : High-Speed GM Amplifier

Full 0 to 100 Duty Ratio

Internal Soft-Start

Adaptive Non-Overlapping Gate Driver

Over-Current Fault Monitor on MOSFET, No Current Sense Resistor Required

Full-Time Over Voltage Protection

RoHS Compliant and Halogen Free

Applications

Graphic Card

Motherboard, Desktop Servers

IA Equipments

Telecomm Equipments

High Power DC/DC Regulators