ISL9120IINZ-TR5654

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9120IINZ-TR5654 is a synchronous buck-boost DC/DC switch regulator manufactured by Renesas Electronics Corporation. It operates with an input voltage range of 1.8V to 5.5V and provides a fixed output voltage of 3.3V. The device supports a maximum output current of 800mA through a single positive output channel. It utilizes a 9-UFBGA, WLCSP package with dimensions of 1.41x1.41mm. The component is RoHS3 compliant and classified under ECCN EAR99.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification for improved efficiency
• Buck-boost topology supporting input voltages above or below the fixed output level
• Compact 9-WLCSP package design

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer devices
• Wearable electronics
• Smartphones and tablets

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix TR5654 against official Renesas documentation to confirm packaging details and revision status. Confirm end-of-life status as indicated in distributor records. Ensure compatibility with the required 9-WLCSP footprint during PCB layout. Validate RoHS3 compliance requirements for the target assembly process.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required from a variable input source between 1.8V and 5.5V. The 800mA current rating suits low-power portable applications. The small WLCSP package is ideal for space-constrained designs. Consider the synchronous architecture for better thermal performance compared to non-synchronous alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9120 series of high-efficiency buck-boost regulators. It shares functional similarities with other models in the family but differs in output configuration and package type. The series targets mobile and wearable markets requiring efficient power management from single-cell lithium batteries.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

ISL9120IIA-EVZ and ISL9120IIN-EVZ are evaluation boards associated with the ISL9120 family, not direct pin-to-pin replacements. Verify cross-reference data sheets for equivalent components with matching 3.3V fixed output and 800mA capability.