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SCT2323 Datasheet 2a Synchronous Step-down DCdc Converter

Manufacturer: SCT

Overview: SILICONCONTENT TECHNOLOGY SCT2323,SCT2325 3.8V-32V Vin, 1.1MHz, 2A Synchronous Step-down DCDC Converter with EMI.

Datasheet Details

Part number SCT2323
Manufacturer SCT
File Size 831.33 KB
Description 2A Synchronous Step-down DCDC Converter
Datasheet SCT2323-SCT.pdf

General Description

The SCT2323 and SCT2325 are 2A, 1.1MHz, synchronous buck converters with up to 32V wide input voltage range, which fully integrates a 130mΩ high-side MOSFET and a 70mΩ low-side MOSFET to provide high efficiency step-down DCDC conversion.

The SCT2323 and SCT2325 adopt peak current mode control with the integrated pensation network and the output feedback resistors network, which make the device easily to be used by minimizing the off-chip ponent counts.

The SCT2323 and SCT2325 support the Pulse Skipping Modulation (PSM) with typical 20uA Ultra-Low Quiescent and achieved 80% efficiency at 1mA and 85% at 5mA light load conditions.

Key Features

  • EMI Reduction with Switching Node Ringing-free.
  • 3.8V-32V Wide Input Voltage Range.
  • Up to 2A Continuous Output Load Current.
  • 3.3V ±1% Output Voltage (SCT2323).
  • 5V ±1% Output Voltage (SCT2325).
  • Fully Integrated 130mΩ Rdson High-side MOSFET and 70mΩ Rdson Low-side MOSFET.
  • 1uA Shut-down Current.
  • 20uA Ultra Low Quiescent Current.
  • 1.1MHz Switching Frequency with ±6% Frequency Spread Spectrum FSS Modulation.
  • 80ns.

SCT2323 Distributor