Description

The CS5157H is a 5-bit synchronous dual N-Channel buck controller. It is designed to provide unprecedented transient response for today’s demanding high-density, high-speed logic. The regulator operates using a proprietary control method, which allows a 100ns response time to load transients. The CS5157H is designed to operate over a 4.25-20V range (VCC) using 12V to power the IC and 5V or 12Vas the main supply for conversion.

Features

■ Dual N-Channel Design

■ Excess of 1MHz Operation

■ 100ns Transient Response

■ 5-Bit DAC

■ Backward Compatible with Adjustable CS5120/5121

■ 30ns Gate Rise/Fall Times

■ 1 DAC Accuracy

■ 5V & 12V Operation

■ Remote Sense

■ Programmable Soft Start

■ Lossless Short Circuit Protection

■ VCC Monitor

■ 25ns FET Nonoverlap Time

■ V2TM Control Topology

■ Current Sharing

■ Overvoltage Protection