ISL91134IIQZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91134IIQZ-T is a synchronous boost converter from the Intersil product line, now part of Renesas Electronics Corporation. It features a low input voltage range and high efficiency, designed for applications requiring compact power solutions. The device integrates a 1.3A switch and operates with an internal oscillator to regulate output voltage. It is housed in a small package suitable for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous boost topology for improved efficiency
• Integrated 1.3A power switch
• Low input voltage operation capability
• Compact packaging for space-sensitive applications

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable equipment
• Cellular and mobile phones
• Wireless sensor nodes

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the manufacturer designation as Intersil or Renesas on the datasheet, as legacy branding may vary. Confirm the suffix 'T' indicates tape and reel packaging if required for assembly. Check for obsolescence status as Intersil products are often end-of-life. Ensure the specific IIQZ package variant matches the PCB footprint requirements.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a synchronous boost converter with integrated switching capability is needed for low-voltage battery systems. Consider the 1.3A current limit for load requirements. Evaluate the trade-off between the synchronous design's higher efficiency and potential complexity compared to non-synchronous alternatives. Verify input voltage ranges align with the battery chemistry used.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL9113x family of low-input voltage synchronous boost converters. The family includes variants like the ISL9113A. These devices are designed to replace older asynchronous solutions, offering better thermal performance and efficiency in portable electronics. The series is characterized by its ability to operate from very low input voltages.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other synchronous boost converters with similar 1.3A ratings and low input voltage specifications. Cross-reference with Intersil/Renesas documentation for pin-compatible alternatives within the same family. Verify electrical parameters such as switching frequency and output voltage range match the original design requirements.