NCP4303BMNTWG

Power Supply Controllers, Monitors Overview

The NCP4303BMNTWG is a secondary side synchronous rectification driver manufactured by onsemi. It belongs to the NCP4303 series and is classified as a switching controller within the PMIC category. The component is designed for flyback, forward, and half-bridge topologies. It operates with a single output and supports a maximum switch frequency of 500 kHz. The device functions within an input voltage range up to 24 V and provides an output current capability of 2.5 A. It is housed in an SOIC-8 package and is rated for operation between -40 C and +150 C.

Power Supply Controllers, Monitors Feature Summary

• Integrated secondary side synchronous rectification driver for high efficiency SMPS topologies
• Supports multiple converter topologies including flyback, forward, and half bridge
• Operates over an extended industrial temperature range

Power Supply Controllers, Monitors Applications

• Flyback power supply designs
• Forward converter implementations
• Half bridge power conversion systems

Power Supply Controllers, Monitors Procurement Notes

Verify availability status carefully as this specific part number may be subject to end-of-life or restricted supply conditions. Confirm the exact suffix matches the required package and tape/reel specifications. Check for official product change notifications regarding pinout or electrical parameter updates before finalizing procurement plans.

Power Supply Controllers, Monitors Selection Notes

Select this component for applications requiring dedicated secondary side control in isolated power supplies. Ensure the design topology aligns with supported configurations such as flyback or forward converters. Verify that the operating temperature requirements fall within the specified -40 C to +150 C range and that the package footprint matches the SOIC-8 form factor.

Power Supply Controllers, Monitors Part Context

This device is part of the NCP4303 family from onsemi, focusing on secondary side management for switched-mode power supplies. It serves as a specialized controller rather than a complete regulator, managing the synchronous rectifier MOSFETs to improve overall system efficiency compared to traditional diode rectification methods.

Power Supply Controllers, Monitors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.