ISL80019AFRZ-T7A

Voltage Regulators - DC DC Switching Regulators Overview

The ISL80019AFRZ-T7A is a synchronous step-down DC/DC converter manufactured by Renesas Electronics Corporation. It delivers up to 1.5 A of continuous output current from a 2.7 V to 5.5 V input supply. The device operates at a switching frequency of 2 MHz and provides an adjustable output voltage ranging from 600 mV to 5.5 V. It features peak current mode control, internal PMOS high-side switch, and integrated low RDS(ON) MOSFETs for high efficiency. The component is housed in an 8-pin TDFN-EP package with dimensions of 2 mm x 2 mm.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates internal PMOS high-side switch to eliminate the need for external bootstrap capacitors.
• Supports selectable PFM or PWM operation modes for optimized light-load efficiency and noise reduction.
• Incorporates comprehensive protection mechanisms including overcurrent, short-circuit, and thermal shutdown.

Voltage Regulators - DC DC Switching Regulators Applications

• Portable wireless equipment
• IoT endpoints
• Battery-powered consumer electronics

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized channels as this part number is listed as obsolete. Confirm that the specific suffix matches the required package and tape/reel specifications. Ensure compliance with RoHS standards and check moisture sensitivity levels prior to surface mount assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when designing compact systems requiring high efficiency within a 2.7 V to 5.5 V input range. It is suitable for applications needing up to 1.5 A output current with minimal external component count. Consider the 2 MHz switching frequency for smaller passive components compared to lower-frequency alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the ISL80019 series of highly efficient monolithic synchronous buck regulators. It shares architectural similarities with the ISL8002 family but offers specific performance characteristics tailored for space-constrained designs. The series utilizes peak current mode control to ensure stability across various load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include other models within the ISL80019 series such as ISL80019AIRZ-T7A. Verify pinout compatibility and electrical parameter alignment before substitution due to potential variations in temperature ratings or package variants.