ISL80019AIRZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL80019AIRZ-T is a synchronous buck regulator from the Renesas ISL80019 series, designed for high-efficiency power conversion. It supports an input voltage range of 2.7 V to 5.5 V and delivers up to 1.5 A output current. The adjustable output voltage spans from 600 mV to 5.5 V with a fixed internal reference of 0.6 V. Operating at a switching frequency of 2 kHz, it features low quiescent current and -0.2 %/A load regulation. The device operates within a temperature range of -40°C to +85°C and is housed in an 8-pin TDFN-EP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for enhanced efficiency
• Adjustable output voltage capability via external resistors
• Integrated shutdown control for power management
• Compact surface-mount packaging for space-constrained designs

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics power systems
• Battery-powered IoT endpoint devices
• Embedded system core voltage regulation
• Industrial sensor node power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to soldering. Check for official Product Change Notifications regarding manufacturing site updates. Ensure storage conditions meet humidity requirements to prevent package degradation before assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when input voltages remain between 2.7 V and 5.5 V. The 1.5 A current rating suits moderate load applications. Consider the 2 kHz switching frequency for reduced electromagnetic interference compared to higher-frequency alternatives. Verify thermal performance within the -40°C to +85°C operational window for target environments.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL80019 family of synchronous buck converters. It shares architectural similarities with variants like the ISL80019AFRZ-T7A but differs in temperature grade and packaging. The series targets compact power solutions requiring low static current and efficient step-down conversion for portable and embedded applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.