ISL6413IRZ

Overview

The ISL6413IRZ is a highly integrated triple output regulator designed for wireless chipset power management. It combines one synchronous buck converter and two low-dropout linear regulators (LDOs) on a single chip. The primary buck output delivers 1.8V at up to 400mA, while the two LDO outputs provide 2.84V at 300mA each. Operating with an input voltage range of 3V to 5.5V, the device integrates a 750kHz switching frequency to minimize external component size. Packaged in a 24-lead QFN, it offers a compact solution for portable applications requiring multiple regulated voltages.

Feature Summary

• Integrates one synchronous buck converter and two LDOs for complete power management
• Highly integrated design reduces external component count and board space
• Optimized for wireless chipset power supply requirements

Applications

• Wireless chipset power management
• Low noise SMPS post regulation
• Low-dropout SMPS post regulation

Procurement Notes

Verify the specific suffix 'RZ' against the manufacturer's official datasheet to confirm package type and tape/reel specifications. Ensure the order matches the exact pin configuration required by the target PCB layout. Cross-reference the RoHS compliance status with current regulatory requirements before finalizing procurement.

Selection Notes

Select this component when a single-chip solution is needed for generating three distinct voltage rails from a 3V to 5.5V source. It is suitable for designs prioritizing reduced bill of materials and simplified layout over discrete regulator implementations. Verify that the combined load currents do not exceed the thermal limits of the 24-QFN package under expected ambient conditions.

Part Context

This part belongs to Intersil's portfolio of integrated power management ICs aimed at mobile and wireless communications. It serves as a consolidated alternative to using separate buck and LDO regulators, streamlining the power architecture for systems like cellular handsets or wireless modems where space and efficiency are critical constraints.

Replacement Considerations

The ISL6413IRZ-TK is a documented variant of this series. Verify if the tape-and-reel packaging of the TK suffix is required for automated assembly processes compared to the bulk or standard reel configuration of the IRZ suffix.