ISL9123AIICZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL9123AIICZ-T is a synchronous step-down DC/DC converter manufactured by Renesas Electronics Corporation. It integrates high-side and low-side N-channel power MOSFETs to deliver efficient voltage regulation for portable electronics. The device operates with an input voltage range of 2.7V to 5.5V and provides a programmable output voltage from 0.6V to 3.6V. It supports switching frequencies up to 2.2MHz, enabling the use of small external inductors and capacitors. The IC features cycle-by-cycle current limit protection and thermal shutdown to ensure reliable operation under fault conditions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for compact design
• Supports adjustable switching frequency up to 2.2MHz
• Includes comprehensive protection mechanisms such as cycle-by-cycle current limit and thermal shutdown

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient power management
• Battery-powered devices needing stable regulated voltage rails
• Embedded systems utilizing low-voltage logic components

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IICZ-T' against official Renesas documentation to confirm tape-and-reel packaging and temperature grade specifications. Ensure compatibility with required PCB footprint dimensions and thermal relief requirements during integration. Cross-reference pin assignments with the latest datasheet revision to avoid assembly errors.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing space-constrained applications requiring high efficiency at moderate load currents. Consider the maximum switching frequency capability to optimize passive component size. Evaluate thermal performance based on expected ambient temperatures and PCB copper area available for heat dissipation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL912x series of synchronous buck converters designed for low-power applications. It complements Renesas' portfolio of power management solutions aimed at extending battery life in mobile devices. The series offers various package options and fixed or adjustable output configurations to suit diverse system requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official Renesas substitution guides for compatible alternatives within the same product family. Verify electrical parameter equivalence including input voltage range, output current capability, and switching frequency before implementation.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the minimum operating input voltage for the ISL9123AIICZ-T?

The device supports an input voltage range starting from 2.7V.

Does the ISL9123AIICZ-T include internal protection features?

Yes, it includes cycle-by-cycle current limit protection and thermal shutdown.