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AP3435 - Synchronous Step Down DC-DC Converter

General Description

The AP3435 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.

Key Features

  • High Efficiency Buck Power Converter.
  • Output Current: 3.5A.
  • Low RDS(ON) Internal Switches:100mΩ (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.
  • 1.0MHz Constant Frequency Operation.
  • Thermal Shutdown Protection.
  • Low Drop-out Operation at 100% Duty Cycle.

📥 Download Datasheet

Datasheet Details

Part number AP3435
Manufacturer BCD Semiconductor
File Size 532.87 KB
Description Synchronous Step Down DC-DC Converter
Datasheet download datasheet AP3435 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Preliminary Datasheet 1.0MHz, 3.5A, Synchronous Step Down DC-DC Converter AP3435 General Description The AP3435 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. 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 versions ranging from 0.8V to 0.9×VIN (2.7V≤VIN≤5.