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AP3431 Datasheet Synchronous Step Down DC-dc Converter

Manufacturer: BCD Semiconductor

Overview: Data Sheet 1.0MHz, 2.0A, Synchronous Step Down DC-DC Converter AP3431.

Datasheet Details

Part number AP3431
Manufacturer BCD Semiconductor
File Size 1.10 MB
Description Synchronous Step Down DC-DC Converter
Datasheet AP3431-BCDSemiconductor.pdf

General Description

The AP3431 is a high efficiency step-down DC-DC voltage converter.

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

The oscillator and timing capacitors are all built-in providing an internal switching frequency of 1MHz that allows the use of small surface mount inductors and capacitors for portable product implementations.

Key Features

  • High Efficiency Buck Power Converter.
  • Output Current: 2A.
  • Low RDS(ON) Internal Switches : 120mΩ(VIN=5V).
  • Adjustable Output Voltage from 0.8V to 0.9×VIN.
  • Wide Operating Voltage Range: 2.7V to 5.5V.
  • Built-in Power Switches for Synchronous Rectification with High Efficiency.
  • Feedback Voltage: 800mV.
  • Switching Frequency: 1.0MHz.
  • Thermal Shutdown Protection.
  • Internal Soft Start.

More Datasheets from BCD Semiconductor

Part Number Description
AP3432 Step-down DC-DC Converter
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AP3431 Distributor