ISL8118CRZ

DC DC Switching Controllers Overview

The ISL8118CRZ is a single-phase PWM controller IC designed for step-down DC-DC conversion applications. It operates within an input voltage range of +3.3V to +20V and features integrated MOSFET drivers capable of sourcing 2A or sinking 4A. The device supports switching frequencies from 250kHz to 2MHz with up to 100% duty cycle capability. It utilizes a 28-QFN (5x5mm) package and functions at temperatures between -40°C and +85°C.

DC DC Switching Controllers Feature Summary

• Integrates high-current MOSFET drivers to simplify power stage design
• Supports wide input voltage ranges suitable for various bus architectures
• Offers flexible frequency control for optimized efficiency and size

DC DC Switching Controllers Applications

• Point-of-load regulation in industrial systems
• Power supplies for communication equipment
• Embedded computing platforms requiring efficient step-down conversion

DC DC Switching Controllers Procurement Notes

Verify component status as the ISL8118 series may be subject to end-of-life notices. Confirm package markings and revision levels against official Renesas documentation prior to integration. Ensure compatibility with existing thermal management solutions given the QFN form factor.

DC DC Switching Controllers Selection Notes

Select this controller when a compact solution with integrated gate drive is required for single-phase buck converters. Evaluate the 2A/4A driver strength against the external MOSFET gate charge requirements. Consider the operating temperature range and switching frequency limits relative to the target application's efficiency goals.

DC DC Switching Controllers Part Context

This component belongs to the ISL8118 family of single-phase PWM controllers manufactured by Renesas Electronics. These devices are engineered to provide robust performance in space-constrained environments, combining control logic with power stage drivers to reduce bill of materials count.

DC DC Switching Controllers Replacement Considerations

Check for direct pin-compatible alternatives within the Renesas portfolio if availability is constrained. Verify that any substitute maintains the same input voltage range and driver current capabilities to ensure circuit functionality without redesign.