ISL91107IINZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91107IINZ-T7A is a high-efficiency synchronous buck-boost switching regulator manufactured by Renesas Electronics. It operates with an input voltage range of 1.8 V to 5.5 V and provides a fixed 3.3 V output at up to 2 A. The device integrates 3.6 A switches and utilizes a 2.5 MHz switching frequency. It is housed in a compact WLCSP-15 package, measuring 2.15 mm x 2.15 mm with a height of 0.3 mm. The component supports operation across a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck-boost topology for efficient power conversion across wide input ranges
• Integrated high-current switches supporting up to 2 A continuous output
• Compact wafer-level chip scale packaging for minimal footprint
• Fixed 3.3 V output configuration simplifying design implementation

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring stable 3.3 V power from varying battery levels
• Battery-powered systems utilizing single-cell lithium-ion or lithium-polymer sources
• Embedded industrial control modules operating within standard temperature ranges

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'T7A' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the WLCSP-15 package dimensions align with the target PCB land pattern specifications. Ensure compatibility with the intended thermal management strategy given the small form factor. Cross-reference the manufacturer's latest datasheet for any updates regarding moisture sensitivity levels or reflow soldering profiles.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3 V output is required from an input source ranging between 1.8 V and 5.5 V. It is suitable for designs prioritizing space efficiency due to the WLCSP-15 package. Consider alternative models if adjustable output voltages or higher current capabilities are necessary. Verify that the 2.5 MHz switching frequency meets electromagnetic interference requirements for the specific application environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL91107 series of high-efficiency buck-boost regulators from Renesas. The series is designed for applications requiring robust power management in compact spaces. Similar parts in the lineup may offer different output configurations, such as adjustable voltage variants or packages like TQFN, providing flexibility for diverse system architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other ISL91107 variants with compatible pinouts and electrical characteristics. Models such as ISL91107IIAZ-T7A offer similar functionality but may differ in package type or specific electrical parameters. Always verify functional equivalence before substitution.