Intersil ISL6622 ISL6622CRZ Rectified Buck MOSFET Drivers

Features

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FEATURES

Dual MOSFET Drives for Synchronous Rectified Bridge

• Advanced Adaptive Zero Shoot-through Protection

• Integrated LDO for Selectable Lower Gate Drive Voltage

(5.75V, 6.75V, 7.75V) to Optimize Light Load Efficiency

• 36V Internal Bootstrap Diode

• Advanced PWM Protocol (Patent Pending) to Support PSI

Mode, Diode Emulation, Three-State Operation

• Diode Emulation for Enhanced Light Load Efficiency

• Bootstrap Capacitor Overcharging Prevention

• Supports High Switching Frequency

- 3A Sinking Current Capability

- Fast Rise/Fall Times and Low Propagation Delays

• Integrated High-Side Gate-to-Source Resistor to Prevent

from Self Turn-On due to High Input Bus dV/dt

• Pre-POR Overvoltage Protection for Start-up and Shutdown

• Power Rails Undervoltage Protection

• Expandable Bottom Copper Pad for Enhanced Heat Sinking

• Dual Flat No-Lead (DFN) Package

- Near Chip-Scale Package Footprint; Improves PCB

Efficiency and Thinner in Profile

• Pb-Free (RoHS Compliant)

Applications

• High Light Load Efficiency Voltage Regulators

• Core Regulators for Advanced Microprocessors

• High Current DC/DC Converters

• High Frequency and High Efficiency VRM and VRD