NCP5355DG

Overview

The NCP5355DG is a dual MOSFET gate driver optimized for synchronous buck converters. It integrates high- and low-side drivers to control power MOSFETs. The device operates with a supply voltage range of 4.75 V to 18 V. It features adjustable dead-time control to prevent shoot-through currents. The output stage provides peak drive currents of 2 A source and 4 A sink. It utilizes an 8-pin SOIC package.

Feature Summary

• Integrated dual-channel driver for synchronous buck applications
• Adjustable dead-time control mechanism
• High peak drive current capability for fast switching
• Built-in protection against shoot-through conditions

Applications

• Synchronous buck converter designs
• Point-of-load (POL) voltage regulation modules
• Server and workstation power supplies
• Graphics card power delivery systems

Procurement Notes

Verify the specific suffix 'DG' corresponds to the standard SOIC-8 package configuration. Confirm that the component meets the required operating temperature range for the target environment. Ensure compatibility with the intended input voltage levels before integration into the circuit design.

Selection Notes

Select this component when driving synchronous buck converters requiring independent high and low side control. Consider the peak drive currents and adjustable dead-time features for efficiency optimization. Evaluate the package size constraints and thermal requirements relative to the application's power density needs.

Part Context

This part belongs to onsemi's dedicated gate driver family designed for power management integrated circuits. It serves as a critical interface between control logic and power switches in DC-DC conversion stages. The series focuses on providing robust performance for high-frequency switching applications.

Replacement Considerations

NCP3420DR2G is listed as a similar alternative. Verify pinout compatibility and electrical specifications before substitution.