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MIC5021 - High-Speed High-Side MOSFET Driver

Description

The MIC5021 high-side MOSFET driver is designed to operate at frequencies up to 100kHz (5kHz PWM for 2% to 100% duty cycle) and is an ideal choice for high speed applications such as motor control, SMPS (switch mode power supplies), and applications using IGBTs.

Features

  • 12V to 36V operation 550ns rise/fall time driving 2000pF TTL compatible input with internal pull-down resistor Overcurrent limit Gate to source protection Internal charge pump 100kHz operation guaranteed over full temperature and operating voltage range.
  • Compatible with current sensing MOSFETs.
  • Current source drive reduces EMI.

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Datasheet preview – MIC5021

Datasheet Details

Part number MIC5021
Manufacturer Micrel Semiconductor
File Size 132.71 KB
Description High-Speed High-Side MOSFET Driver
Datasheet download datasheet MIC5021 Datasheet
Additional preview pages of the MIC5021 datasheet.

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Full PDF Text Transcription

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MIC5021 Micrel MIC5021 High-Speed High-Side MOSFET Driver General Description The MIC5021 high-side MOSFET driver is designed to operate at frequencies up to 100kHz (5kHz PWM for 2% to 100% duty cycle) and is an ideal choice for high speed applications such as motor control, SMPS (switch mode power supplies), and applications using IGBTs. The MIC5021 can also operate as a circuit breaker with or without automatic retry. A rising or falling edge on the input results in a current source pulse or sink pulse on the gate output. This output current pulse can turn on a 2000pF MOSFET in approximately 550ns. The MIC5021 then supplies a limited current (< 2mA), if necessary, to maintain the output state.
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