EZ1585CM-3.3TRT

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

The Semtech EZ1585CM-3.3TRT is a fixed-output positive linear regulator providing a stable 3.3V output with a maximum current capacity of 4.6A. Designed for high-performance applications, it features a low dropout voltage of 1.25V and operates within an input voltage range of 2.35V to 7V. The device incorporates fast transient response capabilities and includes comprehensive protection mechanisms such as thermal shutdown and current limiting. It is housed in a DDPAK-3 package suitable for surface-mount assembly.

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

• Fixed 3.3V output voltage configuration
• High current capability up to 4.6A
• Low dropout operation for efficient power management
• Integrated thermal and current protection

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

• Point-of-load regulation in computing systems
• Power distribution networks for industrial equipment
• Voltage regulation for communication interfaces
• General-purpose linear power supply circuits

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

Verify the specific suffix 'TRT' against official Semtech documentation to confirm tape-and-reel packaging specifications and quantity per reel. Ensure compatibility with standard SMD reflow profiles for the DDPAK-3 package. Cross-reference the part number with the latest datasheet revision to confirm pinout integrity and electrical characteristics match the design requirements.

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

Select this component when a fixed 3.3V rail is required with significant current demand exceeding typical LDO limits. The low dropout characteristic makes it suitable for battery-powered or varying input voltage scenarios. Consider the thermal performance of the DDPAK-3 package in the final PCB layout to ensure adequate heat dissipation under full load conditions.

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

This part belongs to the LT1585 series of low dropout fast response positive regulators manufactured by Analog Devices (formerly Linear Technology), now often distributed alongside Semtech products. The series is known for robust performance in demanding power management applications requiring stable voltage regulation under dynamic load conditions.

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

Direct substitutes include other 4.6A fixed 3.3V LDOs in compatible packages. Verify pinout compatibility before swapping. Generic equivalents may require thermal redesign.