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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

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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® 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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