ISL6558CBZA

DC DC Switching Controllers Overview

The ISL6558CBZA is a synchronous buck switching controller manufactured by Renesas Electronics Corporation. It operates with a supply voltage range of 4.75V to 5.25V and supports a programmable switching frequency from 80kHz to 1.5MHz. The device provides a single positive output capable of driving up to 120A loads, with an adjustable output voltage range between 800mV and 5V. It features a maximum duty cycle of 75% and utilizes a 16-lead Narrow SOIC package. The component functions within an ambient temperature range of 0°C to +70°C.

DC DC Switching Controllers Feature Summary

• Supports high-current applications with a 120A output capability for demanding power delivery systems.
• Offers flexible frequency programming across a wide range to optimize efficiency and component size.
• Integrates essential control features including enable functionality and power good signaling.

DC DC Switching Controllers Applications

• High-performance server power supplies
• Communication gateway power management
• Industrial equipment DC-DC conversion

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'ZA' against official Renesas documentation to confirm lead-free status and annealing specifications. Confirm current availability as this part number may be discontinued or subject to last-time buy restrictions. Ensure compatibility with existing PCB footprints and thermal management requirements before finalizing procurement plans.

DC DC Switching Controllers Selection Notes

Select this controller when designing single-phase buck converters requiring high current capacity and precise voltage regulation. Consider the 16-SOIC package constraints for thermal dissipation and board space. Evaluate the operating temperature range against environmental conditions to ensure reliable performance within the specified 0°C to +70°C limits.

DC DC Switching Controllers Part Context

This component belongs to the ISL6558 series of synchronous buck controllers designed for high-efficiency power conversion. It serves as a core control element in multi-phase power architectures, often used in conjunction with external MOSFETs to manage power distribution in complex electronic systems requiring stable and efficient voltage regulation.

DC DC Switching Controllers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult official Renesas cross-reference guides or datasheets for potential alternatives if this specific variant is unavailable.