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MIC2169A Datasheet PWM Synchronous Buck Controller

Manufacturer: Micrel Semiconductor

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Datasheet Details

Part number MIC2169A
Manufacturer Micrel Semiconductor
File Size 826.12 KB
Description PWM Synchronous Buck Controller
Download MIC2169A Download (PDF)

General Description

The MIC2169A is a high-efficiency, simple to use 500kHz PWM synchronous buck control IC housed in a small MSOP10 package.

The MIC2169Aallows compact DC/DC solutions with a minimal external component count and cost.

The MIC2169A operates from a 3V to 14.5V input, without the need of any additional bias voltage.

Overview

MIC2169A MIC2169A Micrel 500kHz PWM Synchronous Buck Control IC.

Key Features

  • 3V to 14.5V input voltage range.
  • Adjustable output voltage down to 0.8V.
  • Up to 95% efficiency.
  • 500kHz PWM operation.
  • Adjustable current limit senses high-side N-Channel MOSFET current.
  • No external current-sense resistor.
  • Adaptive gate drive increases efficiency.
  • Overvoltage protection protects the load in fault conditions.
  • Dual mode current limit speeds up recovery time.
  • Hiccup mode short-circuit.

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