ISL8105BCRZ

DC DC Switching Controllers Overview

The ISL8105BCRZ is a single-phase synchronous buck converter PWM controller from the Intersil ISL8105B series. It operates with a fixed switching frequency of 330 kHz and supports input voltages of +5V or +12V. The device delivers up to 25A output current with an adjustable output voltage range from 600 mV to 12 V. It features a 10-DFN (3x3) package, operates within a temperature range of -40°C to +85°C, and includes current limit and enable control features.

DC DC Switching Controllers Feature Summary

• Voltage-mode control for stable step-down conversion
• Integrated synchronous rectification driver
• Fixed 330 kHz switching frequency operation
• Built-in current limit and enable functionality

DC DC Switching Controllers Applications

• Point-of-load regulation for digital circuits
• Telecommunications equipment power supplies
• Industrial control system power distribution
• Embedded systems requiring efficient DC-DC conversion

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized distributors or manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for end-of-life notifications or obsolescence warnings as availability may be limited. Ensure storage conditions meet humidity sensitivity requirements to prevent damage before soldering.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring a fixed 330 kHz frequency and single-phase synchronous buck topology. Suitable for designs powered by +5V or +12V rails needing up to 25A output. Consider the 10-DFN package size for space-constrained layouts. Verify thermal management capabilities for the intended operating temperature range of -40°C to +85°C.

DC DC Switching Controllers Part Context

The ISL8105BCRZ belongs to the ISL8105B family of single-phase synchronous buck converters. It is designed for high-efficiency power management in compact form factors. The part integrates gate drivers for external N-channel MOSFETs, reducing component count compared to asynchronous solutions. It is widely used in legacy and industrial systems requiring reliable voltage regulation.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Users should consult official Renesas/Intersil resources for cross-reference information or updated product line recommendations.