ISL91133IIOZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL91133IIOZ-T is a synchronous boost converter from Renesas, designed for high-efficiency power management in compact applications. It integrates a low on-resistance switch and operates with a fixed switching frequency to minimize external component size. The device supports an input voltage range suitable for single-cell lithium-ion battery systems, stepping up the voltage to regulated output levels. Key electrical characteristics include a wide input voltage window and adjustable output voltage via external resistors. It features thermal shutdown and overcurrent protection to ensure reliable operation under varying load conditions and environmental temperatures.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Integrated low-loss power switch reduces external component count
• Fixed-frequency operation simplifies filter design
• Built-in protection mechanisms including thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient battery-powered regulation
• Single-cell lithium-ion battery charging systems
• Consumer electronics with space-constrained PCB layouts
• Industrial sensor nodes powered by primary cells

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IIOZ-T' against the official Renesas datasheet to confirm package type, temperature grade, and tape-and-reel specifications. Ensure compatibility with your board layout requirements regarding the WLCSP footprint. Cross-reference the part number with current lifecycle status documents to confirm availability and obsolescence warnings before finalizing procurement plans.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing boost converters for single-cell lithium-ion applications where high efficiency and small footprint are critical. Consider the fixed switching frequency and integrated switch when evaluating EMI performance and bill of materials cost. Verify that the required output voltage range aligns with the device's adjustable feedback capabilities and that the thermal performance meets the system's operating environment constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL9113 series of synchronous boost converters, which are optimized for portable applications. The series is characterized by its ability to deliver high efficiency across a wide load range while maintaining a minimal solution size. It complements Renesas' portfolio of power management solutions for consumer and industrial markets.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official Renesas cross-reference guide for verified substitutes. Direct replacements must match the synchronous boost topology, input/output voltage ranges, and WLCSP package dimensions. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.