ISL9106IRZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9106IRZ-T is a high-efficiency synchronous buck-boost switching regulator manufactured by Renesas Electronics Corporation. It operates with an input voltage range of 2.7V to 5.5V and provides an adjustable output voltage up to 5.5V. The device supports a continuous output current of 3A and features an integrated switch rated for 4.2A. It utilizes a fixed internal switching frequency of 2.5MHz, enabling the use of small external components. The IC is housed in a compact 8-pin WLCSP package and is designed for operation within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous buck-boost topology supporting step-up, step-down, and battery pass-through modes
• Fixed 2.5MHz switching frequency minimizes external passive component size
• Internal 4.2A switch rating ensures robust performance under transient load conditions
• Compact WLCSP packaging facilitates space-constrained board layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring stable power from single-cell lithium-ion batteries
• Mobile communication devices needing efficient power management during varying load states
• Industrial handheld instruments operating on fluctuating supply voltages

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IRZ-T' against the manufacturer's official datasheet to confirm the exact temperature grade and tape-and-reel packaging configuration. Ensure compatibility with the intended PCB footprint for the WLCSP-8 package. Confirm RoHS compliance status through the latest product change notification or environmental declaration provided by Renesas.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems powered by single-cell lithium-ion batteries that require both higher and lower regulated voltages. The fixed 2.5MHz frequency is optimal for balancing efficiency and component size. Verify that the required output current does not exceed the 3A continuous limit and that the thermal design accommodates the small package surface area.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9106 family of high-efficiency DC-DC converters. It is distinct from other variants by its specific pinout and electrical characteristics tailored for low-voltage applications. The series is designed to replace linear regulators in battery-powered systems to extend operational life.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-compatible alternatives such as the ISL9106IIZ-T if different packaging is required. Evaluate newer generations of buck-boost regulators from Renesas or competitors for improved efficiency or additional features like programmable frequency.