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MIC2131 - High Voltage Synchronous Buck Controller

This page provides the datasheet information for the MIC2131, a member of the MIC2130 High Voltage Synchronous Buck Controller family.

Description

The MIC2130/1 is a high voltage input PWM synchronous buck controller IC.

It is a voltage mode controller with a fast hysteretic control loop (FHyCL) employed during fast line and load transients.

The internal gate drivers are designed to drive high current MOSFETs.

Features

  • 8V to 40V input voltage range.
  • Adjustable output voltages down to 0.7V.
  • LOW EMI option MIC2131.
  • Fixed 150kHz and 400kHz frequency options.
  • Excellent line and load regulation due to fast hysteretic control loop during transients.
  • Adaptive gate drive allows efficiencies over 95%.
  • Programmable current limit with no sense resistor.
  • Senses low-side MOSFET current.
  • Internal drivers allow 15A output current.
  • Powe.

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Datasheet preview – MIC2131

Datasheet Details

Part number MIC2131
Manufacturer Micrel Semiconductor
File Size 753.57 KB
Description High Voltage Synchronous Buck Controller
Datasheet download datasheet MIC2131 Datasheet
Additional preview pages of the MIC2131 datasheet.

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Full PDF Text Transcription

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MIC2130/1 High Voltage Synchronous Buck Control IC with Low EMI Option General Description The MIC2130/1 is a high voltage input PWM synchronous buck controller IC. It is a voltage mode controller with a fast hysteretic control loop (FHyCL) employed during fast line and load transients. The internal gate drivers are designed to drive high current MOSFETs. The MIC2130/1 can produce output voltages down to 0.7V with input voltage from 8V to 40V. The MIC2130 family of control ICs implements fixed frequency PWM control. The active anti-shoot through drive scheme means a wide range of external MOSFETs may be used while maintaining optimum efficiency. The MIC2131 is the fully functional version of the family and implements a new feature to minimize EMI.
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