ISL91133IIQZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91133IIQZ-T is an integrated synchronous boost switching regulator manufactured by Renesas Electronics Corporation. It operates with an input voltage range of 2.35V to 5.4V and provides a programmable output voltage between 3.15V and 5V. The device delivers a peak efficiency of 96% and supports an output current of up to 2.3A. Designed for battery-powered applications, it features a power-on reset (POR) function and utilizes a compact package suitable for portable electronics.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous boost topology for high conversion efficiency
• Wide input voltage compatibility for single-cell lithium-ion battery operation
• Programmable output voltage configuration within specified limits
• Built-in power-on reset functionality for system reliability

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Mobile communication equipment power supplies
• Handheld instrumentation systems
• Consumer electronics requiring efficient step-up regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component status as the ISL91133IIQZ-T is listed as obsolete in public records. Confirm availability through authorized distributors or secondary market channels. Ensure datasheet revisions match design requirements. Validate pinout compatibility if integrating into existing layouts. Check for alternative active components from the manufacturer if long-term supply stability is required.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing circuits requiring a compact boost solution for single-cell lithium batteries. Consider the 2.3A output capability and 96% peak efficiency for space-constrained portable applications. Evaluate the 2.35V to 5.4V input range against source voltage variations. Assess the need for programmable output settings versus fixed voltage alternatives in the product line.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9113x series of integrated boost regulators from Renesas. The series targets mobile and portable markets with high-efficiency power management solutions. The IIQZ suffix indicates specific packaging and temperature grade variants within the broader family. Related parts may offer different current ratings or fixed output voltages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is marked obsolete, engineers should consult Renesas for recommended next-generation replacements or equivalent active parts with similar electrical characteristics.