ISL91133IILZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91133IILZ-T is a synchronous boost converter manufactured by Renesas Electronics Corporation. It integrates a high-efficiency power stage and control logic to step up input voltages for portable applications. The device operates with an input voltage range of 2.5V to 5.5V and delivers a continuous output current of 1.3A. It features a fixed switching frequency of 1.8MHz, allowing for the use of compact external components. The IC includes programmable soft-start, cycle-by-cycle current limiting, and thermal shutdown protection to ensure reliable operation under various load conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 1.3A synchronous power switch for high efficiency in a small footprint
• Features programmable soft-start to limit inrush current during startup
• Includes comprehensive protection mechanisms such as over-current and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient voltage boosting
• Battery-powered devices needing stable supply rails
• Mobile communication equipment

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IILZ-T' against the official Renesas datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with your PCB layout requirements for the ILQFN package. Cross-reference the manufacturer's latest documentation for any design-in notices or lifecycle status updates before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required for stepping up battery voltages in space-constrained designs. It is suitable for applications demanding high efficiency at moderate currents. Consider the fixed 1.8MHz frequency for minimizing passive component size. Evaluate the need for programmable soft-start if system power sequencing requires controlled ramp-up times.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9113 series of synchronous boost converters from Renesas. The series is designed for portable applications where efficiency and size are critical. The ISL91133 variant specifically offers a 1.3A output capability, distinguishing it from other members of the family with different current ratings or feature sets.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Check for direct pin-to-pin replacements within the ISL9113 series or compatible Renesas boost converters. Verify electrical parameters such as switching frequency and current limits match the original design requirements before substituting.