ISL8104IRZ

DC DC Switching Controllers Overview

The ISL8104IRZ is a synchronous PWM controller IC designed for positive output step-down DC-DC conversion. It operates within an input voltage range of 8V to 14.4V and supports switching frequencies up to 1.5MHz. The device features integrated MOSFET drivers and current-mode control, delivering a maximum output current of 3A. It is housed in a 16-QFN (4x4mm) package with exposed pad for thermal dissipation.

DC DC Switching Controllers Feature Summary

• Synchronous rectification architecture for high efficiency
• Integrated high-current MOSFET gate drivers
• Programmable switching frequency up to 1.5MHz
• Built-in soft-start and cycle-by-cycle current limit

DC DC Switching Controllers Applications

• DDR memory power supplies
• Central processing unit core voltage regulation
• Point-of-load conversion modules
• General purpose step-down power systems

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized channels as the part is obsolete. Confirm package marking and date codes against official Renesas documentation. Ensure storage conditions meet moisture sensitivity level requirements prior to reflow soldering. Check for available engineering samples or evaluation boards for design validation.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring compact size and high efficiency at moderate currents. Consider the 1.5MHz frequency capability for smaller passive components. Evaluate thermal performance due to the QFN package limitations. Compare against newer Renesas families if long-term supply assurance is critical for production.

DC DC Switching Controllers Part Context

Part of the ISL81xx series of buck regulators from Renesas/Intersil. Designed for low-voltage, high-current digital loads. Shares functional similarities with ISL8107 but differs in input voltage range and package configuration. Intended for consumer electronics and computing infrastructure power management.

DC DC Switching Controllers Replacement Considerations

Official substitutes include ISL8104AIRZ and ISL8104IRZ-T. Verify pin compatibility and electrical specifications before replacement. Consult Renesas datasheets for direct cross-reference information.