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HCA10008 - 80V/2.5A Peak/ High Frequency Full Bridge FET Driver

Description

PIN NUMBER 1 SYMBOL BHB DESCRIPTION B High-side Bootstrap supply.

External bootstrap diode and capacitor are required.

Connect cathode of bootstrap diode and positive side of bootstrap capacitor to this pin.

Features

  • Independently Drives 4 N-Channel FET in Half Bridge or Full Bridge Configurations.
  • Bootstrap Supply Max Voltage to 95VDC.
  • Drives 1000pF Load at 1MHz in Free Air at 50oC with Rise and Fall Times of Typically 10ns.
  • User Programmable Dead Time.
  • On-Chip Charge Pump and Bootstrap Upper Bias Supplies.
  • DIS (Disable) Overrides Input Control.
  • Input Logic Thresholds Compatible with 5V to 15V Logic Levels.
  • Very Low Power Consumption.

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Full PDF Text Transcription

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HCA10008 Data Sheet August 1999 File Number 4772 80V/2.5A Peak, High Frequency Full Bridge FET Driver The HCA10008 is a high frequency, medium voltage Full Bridge N-Channel FET driver IC, available in 20 lead plastic SOIC package. The HCA10008 can drive every possible switch combination except those which would cause a shoot through condition. The HCA10008 can switch at frequencies up to 1MHz and is well suited to driving Voice Coil Motors, high-frequency Class D audio amplifiers, and power supplies. For example, the HCA10008 can drive medium voltage brush motors, and two HCA10008s can be used to drive high performance stepper motors, since the short minimum “on-time” can provide fine micro-stepping capability.
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