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ISL6571 - Complementary MOSFET Driver and Synchronous Half-Bridge Switch

Description

Provide a 12V bias supply for the driver IC to this pin.

The voltage at this pin is monitored for Power-On Reset (POR) purposes.

provides the bias for the upper MOSFET drive and the gate charge for the upper MOSFET.

Features

  • Improved Performance over Conventional Synchronous Buck Converter using Discrete Components.
  • Optimal Deadtime Provided by Adaptive Shoot-Through.
  • Switching Frequency up to 1MHz - High-Bandwidth, Fast Transient Response - Small, Low Profile Converters.
  • Reduced Connection Parasitics between Discrete Components - Low Electromagnetic Emissions.
  • Low Profile, Low Thermal Impedance Packaging - High Power Density.

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Datasheet Details

Part number ISL6571
Manufacturer Intersil (Renesas)
File Size 367.64 KB
Description Complementary MOSFET Driver and Synchronous Half-Bridge Switch
Datasheet download datasheet ISL6571 Datasheet

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Full PDF Text Transcription

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® ISL6571 Data Sheet February 2003 FN9082.2 Complementary MOSFET Driver and Synchronous Half-Bridge Switch The Intersil ISL6571 provides a new approach for implementing a synchronous rectified buck switching regulator. The ISL6571 replaces two power MOSFETs, a Schottky diode, two gate drivers and synchronous control circuitry. Its main applications address high-density power conversion circuits including multiphase-topology computer microprocessor core power regulators, ASIC and memory array regulators, etc. Another useful feature of the ISL6571 is the compatibility with three-state input control: left open, the PWM input turns off both output drives. The ISL6571 operates in continuous conduction mode reducing EMI constraints and enabling high bandwidth operation.
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