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AP3427M - 1.5MHZ Synchronous Step-down DC-DC Converter

Datasheet Summary

Description

The AP3427M is a high efficiency step-down dual channel DC-DC voltage converter.

The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOSFET switchers.

Features

  • High Efficiency Buck Power Converter.
  • Output Current: 1.0A.
  • Low RDS(ON) Internal Switches:200mΩ (VIN=5V).
  • Adjustable Output Voltage from 0.6V to 0.9×VIN.
  • Wide Operating Voltage Range: 2.5V to 5.5V.
  • Built-in Power Switches for Synchronous Rectification with High Efficiency.
  • Feedback Voltage: 600mV.
  • 1.5MHz Constant Frequency Operation.
  • Thermal Shutdown Protection.
  • Low Drop-out Operation at 100% Duty Cycle.

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Datasheet preview – AP3427M

Datasheet Details

Part number AP3427M
Manufacturer BCD Semiconductor
File Size 352.04 KB
Description 1.5MHZ Synchronous Step-down DC-DC Converter
Datasheet download datasheet AP3427M Datasheet
Additional preview pages of the AP3427M datasheet.

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Full PDF Text Transcription

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Preliminary Datasheet Dual 1A, 1.5MHZ Synchronous Step-down DC-DC Converter AP3427M General Description The AP3427M is a high efficiency step-down dual channel DC-DC voltage converter. The chip operation is optimized by peak-current mode architecture with built-in synchronous power MOSFET switchers. The oscillator and timing capacitors are all built-in providing an internal switching frequency of 1.5MHz that allows the use of small surface mount inductors and capacitors for portable product implementations. Integrated Soft Start (SS), Under Voltage Lock Out (UVLO), Thermal Shutdown Detection (TSD) and Short Circuit Protection are designed to provide reliable product applications. The device is available in adjustable output voltage ranging from 0.6V to 0.
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