Home > technical > Onsemi NCP3284 30A Synchronous Buck DC-DC Converter with Integrated MOSFETs

Onsemi NCP3284 30A Synchronous Buck DC-DC Converter with Integrated MOSFETs

2026-03-18 10:15:38 CORE View times 27

  The onsemi NCP3284 is a high-performance, single-phase synchronous buck converter designed for high-current Point-of-Load (POL) applications. It integrates both high-side and low-side MOSFETs, delivering a compact, efficient, and reliable power solution for modern computing and communication systems.

  With up to 30A continuous output current and flexible switching frequency options, the NCP3284 enables optimized efficiency and fast transient response in space-constrained designs.

onsemi NCP3284 packageonsemi NCP3284 top view

DeviceCurrentPackageShipping†
NCP3284MNTXG30 APQFN373000 / Tape &Reel
NCP3284AMNTXG35 A(Pb-Free)

  Key Features

  ·Electrical Performance

  Wide input voltage range: 4.5V to 18V

  Output voltage range: 0.8V to 5.5V

  Output current:

  30A continuous

  Up to 45A peak

  ·High Efficiency Design

  Integrated high-side and low-side MOSFETs

  Programmable switching frequency:

  500 kHz / 600 kHz / 800 kHz / 1 MHz

  Automatic CCM/DCM operation for light-load efficiency

  ·Advanced Control & Functions

  Internal 5V LDO or external bias support

  Adjustable soft-start

  Programmable current limit

  Power Good (PG) indicator

  ·Protection Features

  Over-Voltage Protection (OVP)

  Under-Voltage Protection (UVP)

  Over-Temperature Protection (OTP)

  Configurable fault response (hiccup or latch-off)

  Package Information

  Compact PQFN-37 (5mm × 6mm) package

  High integration reduces external component count

  Ideal for high-density PCB layouts

  Applications

  The NCP3284 is optimized for demanding power applications, including:

  Servers and data centers

  Telecom and networking equipment

  Storage systems

  FPGA and CPU core power (POL regulators)

  Key Advantages

  ✔ High current capability up to 30A

  ✔ Integrated MOSFETs for simplified design

  ✔ High switching frequency for compact size

  ✔ Fast transient response for dynamic loads

  ✔ Robust protection for system reliability

 CORE Advantage offers Onsemi's MOSFETs, AC-DC/DC-DC power converter modules and silicon carbide (SiC) products. Welcome to inquire and learn more.

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