ISL80019IRZ-T

Voltage Regulators - DC DC Switching Regulators Overview

The ISL80019IRZ-T is a synchronous buck regulator from the Renesas ISL80019 series, designed for low-quiescent current applications. It operates with an input voltage range of 2.7 V to 5.5 V and provides a single adjustable output voltage between 600 mV and 5.5 V. The device delivers a maximum output current of 1.5 A. It features a fixed switching frequency of 2 MHz and supports load regulation of -0.2 %/A. The component is housed in an 8-WFDFN (TDFN-EP) package with exposed pad, suitable for surface mount installation. It functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification topology for high efficiency
• Low quiescent current operation for battery-powered devices
• Adjustable output voltage via external resistor divider
• Compact 8-pin TDFN package with thermal exposure

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics
• IoT sensor nodes
• Battery-powered embedded systems
• Industrial control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'IRZ-T' against official Renesas documentation to confirm industrial temperature rating and tape-and-reel packaging configuration. Ensure compatibility with RoHS directives and moisture sensitivity levels as specified in the datasheet. Cross-reference ordering information directly with authorized distributors to avoid counterfeit components.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact, low-current synchronous buck converter is required for 3.3V or 5V input systems. The 2 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Verify that the required output current does not exceed 1.5 A and that the operating environment stays within the -40°C to +85°C range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the ISL80019 family of low-Q current synchronous buck regulators. It shares architectural similarities with other members like the ISL80019AIRZ-T but differs in temperature grade and packaging options. The series is targeted at space-constrained portable applications requiring efficient power management from single-cell lithium batteries or USB sources.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include ISL80019AIRZ-T for automotive-grade variants or ISL80019AIRZ-T7A for reel packaging differences. Check pinout and electrical specifications carefully before substitution.