ISL6420BIRZ-TS2378

DC DC Switching Controllers Overview

The ISL6420BIRZ-TS2378 is a synchronous buck PWM controller IC manufactured by Intersil, now part of Renesas Electronics. It implements a complete control and protection scheme for high-performance DC/DC step-down converters. The device operates with an input voltage range of 5V to 28V and supports switching frequencies from 100 kHz to 1.4 MHz. It features a maximum duty cycle of 96% and provides a fixed 5V output reference. Designed for surface-mount installation, it utilizes a 20-QFN (4x4 mm) package. The component functions within an operating temperature range of -40°C to +85°C.

DC DC Switching Controllers Feature Summary

• Integrates control, output adjustment, monitoring, and protection for synchronous rectified buck topologies
• Designed to drive N-channel MOSFETs in high-performance DC/DC applications
• Supports wide input voltage ranges suitable for various power supply architectures

DC DC Switching Controllers Applications

• High-performance DC/DC buck converter implementations
• Synchronous rectified power supply designs
• Industrial and commercial power management systems requiring integrated protection schemes

DC DC Switching Controllers Procurement Notes

Verify the current lifecycle status, as sources indicate this part may be obsolete or end-of-life. Confirm RoHS compliance details through official manufacturer documentation before procurement. Ensure compatibility with existing PCB footprints and thermal requirements. Check for available replacement components if production continuity is required.

DC DC Switching Controllers Selection Notes

Select this component for applications requiring a fully integrated synchronous buck controller with built-in monitoring and protection. Consider the 20-QFN package constraints and thermal dissipation needs. Evaluate the switching frequency range against electromagnetic interference requirements. Verify that the input voltage range aligns with the system's power source specifications.

DC DC Switching Controllers Part Context

The ISL6420B series belongs to Intersil's portfolio of power management integrated circuits, specifically focusing on switching controllers. Following Renesas Electronics' acquisition of Intersil, these products are managed under the Renesas brand. The ISL6420BIRZ variant represents a specific pinout and packaging configuration within this family, designed for space-constrained, high-efficiency power conversion solutions.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Consult Renesas Electronics official resources for current obsolescence notices and recommended alternative components.