ISL91107IINZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91107IINZ-T 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 single adjustable output up to 2 A. The device utilizes a fixed 2.5 MHz switching frequency and features a WLCSP-15 package. Key electrical parameters include a maximum output voltage of 5.2 V, a quiescent current of 45 μA, and an operating temperature range from -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 discharge modes
• Fixed 2.5 MHz switching frequency for compact passive component selection
• Low quiescent current consumption in shutdown mode
• Adjustable output voltage via external resistor divider

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics powered by single-cell lithium-ion batteries
• USB-powered devices requiring flexible voltage regulation
• Industrial sensor nodes and IoT modules
• Battery-operated handheld instruments

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IINZ' against the manufacturer's official datasheet to confirm the WLCSP-15 package and tape-and-reel shipping configuration. Ensure compatibility with standard surface-mount assembly processes. Confirm RoHS compliance status through the latest Renesas documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits that require efficient power conversion across varying input voltages relative to the output level. The 2 A output capability suits moderate load applications. Consider the WLCSP-15 footprint constraints during PCB layout. Verify thermal performance requirements given the small package size and expected power dissipation levels under full load conditions.

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 includes variants with different packages such as TQFN and QFN, offering flexibility for various board space requirements. The IINZ designation specifically identifies the wafer-level chip-scale package version within this product family.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other ISL91107 variants like ISL91107IRAZ-T or ISL91107IIAZ-T, provided the package type matches the design constraints. Cross-reference pinouts and electrical specifications carefully when considering alternative manufacturers.