ISL9120IINZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9120IINZ-T is a synchronous buck-boost switching 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 output channel. It utilizes a 9-WLCSP package (1.41x1.41mm) for surface mount installation. The component functions within a temperature range of -40°C to +85°C and features synchronous rectification to enhance efficiency.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck-boost topology enables efficient power conversion across varying input conditions
• Fixed 3.3V output configuration simplifies circuit design for specific voltage requirements
• Compact WLCSP packaging facilitates space-constrained board layouts

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer devices requiring stable power from fluctuating battery sources
• Wearable electronics utilizing lithium-ion or lithium-polymer batteries
• IoT modules operating on single-cell battery configurations

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix 'T' indicates tape and reel packaging when ordering. Confirm the 9-WLCSP footprint matches your PCB layout. Check RoHS compliance status as required by your manufacturing standards. Ensure the fixed 3.3V output aligns with your system voltage needs, as this variant is not adjustable.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V output is required from a 1.8V to 5.5V input source. It is suitable for applications prioritizing high efficiency in buck-boost modes. Consider the 800mA current limit for load requirements. The small WLCSP package is ideal for dense designs where board space is limited compared to larger QFN packages.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9120 series of high-efficiency buck-boost regulators. It is designed for portable applications where battery life is critical. The series offers various package options including TQFN and WLCSP. The ISL9120IINZ-T specifically denotes the WLCSP variant with tape and reel delivery.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.