ISL80103IR18Z

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The ISL80103IR18Z is a single-output low-dropout linear regulator manufactured by Renesas Electronics under the Intersil brand. It provides a fixed 1.8 V output with a maximum current of 3 A. The device operates from an input voltage range of 2.2 V to 6 V and utilizes a DFN-10 package. Key electrical parameters include a typical dropout voltage of 120 mV, line regulation of 0.1%, and load regulation of -0.8%. It functions within a temperature range of -40°C to +125°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Utilizes sub-micron BiCMOS process technology for high performance and efficiency.
• Features an enable pin that allows entry into a low quiescent current shutdown mode.
• Includes a soft-start pin for external capacitor connection to control inrush current.
• Offers adjustable output voltage options ranging from 800 mV to 5 V.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Servers
• Telecommunications and networking equipment
• Medical devices
• Instrumentation systems

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific suffix 'R18Z' against the official datasheet to confirm the fixed 1.8 V output configuration. Ensure compatibility with the DFN-10 package dimensions and thermal requirements. Check for moisture sensitivity levels and reflow soldering profiles during assembly planning.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a stable 1.8 V rail is required at up to 3 A with minimal noise. Consider the 120 mV typical dropout voltage relative to the minimum input voltage. Evaluate the need for the enable feature and soft-start capability for system power sequencing requirements.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This part belongs to the ISL80103 series of high-performance linear regulators. The series includes variants with different output voltages and packages. The IR18Z designation specifically indicates the fixed 1.8 V output version in the DFN-10 package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-reference data through official manufacturer channels before substitution.