NCP5355D

Overview

The NCP5355D is a dual MOSFET gate driver optimized for synchronous buck converters. It integrates high-side and low-side drivers with a 12 V supply capability, enabling efficient control of power MOSFETs. The device supports fast switching speeds to minimize conduction losses in DC/DC applications.

Feature Summary

• Dual-channel architecture for driving both high-side and low-side power MOSFETs
• Integrated bootstrap diode functionality for high-side gate drive
• Optimized for synchronous buck converter topologies

Applications

• Synchronous buck power supplies
• DC/DC converter modules
• Point-of-load (POL) regulation circuits

Procurement Notes

Verify the specific suffix 'D' indicates the SOIC-8 tape-and-reel packaging configuration. Confirm that the component meets RoHS compliance standards as per the manufacturer's current product specifications. Ensure the ordering part number matches the exact package and reel quantity requirements for your assembly process.

Selection Notes

Select this driver for applications requiring a dedicated solution for synchronous buck conversion. It is suitable where integrated gate drive signals are needed without external logic. Consider thermal performance and PCB layout constraints associated with the SOIC-8 package when designing the power stage.

Part Context

This component belongs to onsemi's portfolio of power management integrated circuits (PMIC). Specifically, it falls under the category of gate drivers designed for power electronics. The NCP5355 series focuses on providing robust drive capabilities for high-efficiency voltage regulation systems.

Replacement Considerations

Check for direct pin-compatible alternatives within the same family or from other manufacturers offering similar 12V synchronous buck drivers. Verify electrical parameters such as propagation delay and peak current drive capability before substitution.