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ISL6622 - VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers

Key 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 Prevent.

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Datasheet Details

Part number ISL6622
Manufacturer Renesas
File Size 620.72 KB
Description VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers
Datasheet download datasheet ISL6622 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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DATASHEET ISL6622 VR11.1 Compatible Synchronous Rectified Buck MOSFET Drivers FN6470 Rev 2.00 October 30, 2008 The ISL6622 is a high frequency MOSFET driver designed to drive upper and lower power N-Channel MOSFETs in a synchronous rectified buck converter topology. The advanced PWM protocol of ISL6622 is specifically designed to work with Intersil VR11.1 controllers and combined with N-Channel MOSFETs, form a complete core-voltage regulator solution for advanced microprocessors. When ISL6622 detects a PSI protocol sent by an Intersil VR11.1 controller, it activates Diode Emulation (DE) and Gate Voltage Optimization Technology (GVOT) operation; otherwise, it operates in normal Continuous Conduction Mode (CCM) PWM mode.