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General Description

The MIC4600 is a 28V half-bridge MOSFET driver targeted for cost-sensitive applications that require high performance such as set-top boxes, gateways, routers, computing peripherals, telecom, and networking equipment.

The MIC4600 operates over a supply range of 4.5V to 28V. It has an internal linear regulator that provides a regulated 5V to power the MOSFET gate drive and operates up to 1.5 MHz switching frequency.

The MIC4600 uses an adjustable dead time circuit to prevent shoot-through in the external high and low-side MOSFETs.

The MIC4600 is available in a small 3 mm x 3 mm VQFN package with a junction temperature range of –40°C to +125°C.

Features

?Adjustable Dead Time Circuitry

?Anti-Shoot-Through Protection

?Internal LDO for Single Supply Operation

?Input Voltage Range: 4.5V to 28V

?Fast Propagation Delay: 20 ns

?Up to 1.5 MHz Operation

?Low Voltage Logic Level Inputs for μC or FPGA Driven Power Solutions

?Independent Inputs for Low and High-Side Drivers

?2Ω Gate Drive Capable of Driving 3000 pF Load with 15 ns Rise and Fall Times

?Low 450 μA Typical Quiescent Current

?3 mm x 3 mm VQFN Package

?–40°C to +125°C Junction Temperature Range

Applications

?Distributed Power Systems

?Communications/Networking Infrastructure

?Set-Top Boxes, Gateways, and Routers

?Printers and Scanners

?μP and FPGA Controlled DC-DC Regulators