ISL9104IRUBZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9104IRUBZ-T is a synchronous buck converter manufactured by Renesas Electronics. It operates with an input voltage range of 2.7V to 6V and delivers up to 500mA output current. The device features a fixed switching frequency of 4.3MHz and supports output voltages from 0.8V to 6V. It utilizes a UTDFN-6 package, suitable for surface mount applications. The component functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous step-down topology optimized for high efficiency in compact designs
• Fixed high-frequency operation reduces external passive component size
• Low quiescent current capability for extended battery life in portable devices

Voltage Regulators - DC DC Switching Regulators Applications

• Powering low-voltage microprocessors in PDAs
• Power supply stages for cellular phones
• Compact portable electronic devices requiring efficient DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T' indicates tape and reel packaging configuration. Confirm RoHS compliance status as detailed in the official datasheet. Check for end-of-life notices or obsolescence warnings from Renesas. Ensure the UTDFN-6 footprint matches the target PCB layout requirements before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring a 500A current limit and a 6V maximum input. The 4.3MHz frequency is appropriate for minimizing inductor size. Verify that the required output voltage falls within the 0.8V to 6V adjustable range. Consider thermal performance in the UTDFN-6 package for the intended ambient conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9104 family of synchronous buck converters. It is designed for mobile and handheld applications where space and power efficiency are critical constraints. The series includes variants with different output configurations and packaging options to suit diverse system integration needs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official Renesas cross-reference guide for verified substitutes. Ensure any replacement maintains the 4.3MHz frequency and 500mA current rating. Verify pin compatibility if direct drop-in replacement is required.