ISL9120IRTAZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9120IRTAZ-T is a high-efficiency 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 single adjustable output voltage ranging from 1V to 5.2V. The device supports a maximum output current of 800mA and utilizes a synchronous rectifier topology for improved efficiency. Packaged in a compact 12-WFQFN (3x3mm) surface-mount case with an exposed pad, it is designed for battery-powered applications requiring flexible voltage regulation across varying input conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Buck-boost topology enables stable regulation regardless of whether the input voltage is above or below the output requirement.
• Adjustable output voltage allows customization within the specified operational range to match specific load requirements.
• Compact 12-WFQFN package facilitates space-constrained designs while maintaining thermal performance through an exposed pad.

Voltage Regulators - DC DC Switching Regulators Applications

• Smart medicine boxes utilizing Bluetooth Low Energy connectivity
• Wearable health monitoring devices such as smart rings and bracelets
• IoT sensors including solar tracking and automatic meter reading modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official Renesas documentation to confirm tape-and-reel specifications and temperature grade. Ensure compatibility with existing PCB footprints for the 12-WFQFN package. Confirm that the selected variant meets all required electrical parameters for the target application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when input voltage fluctuates around the desired output level, necessitating both buck and boost capabilities. Consider the 800mA current limit and 1.8V minimum input constraint during system design. Evaluate the thermal dissipation requirements associated with the small form factor package under maximum load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9120 family of integrated FET regulators designed for portable consumer electronics. It complements other Renesas power management solutions by offering efficient energy conversion for battery-operated systems. The series targets applications where size, efficiency, and wide input voltage ranges are critical design constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Renesas substitution guides for verified alternatives. Cross-reference pinouts and electrical characteristics carefully before replacing components in existing designs to ensure functional equivalence.