Semtech

EZ1581CT

EZ1581CT Description

The EZ1581CT is a linear regulator IC designed by Semtech Corporation, offering robust performance and reliability for a variety of power management applications. This device is part of the Power Management (PMIC) category and is housed in a Through Hole package, specifically a TO220-5 configuration. Despite its Obsolete product status, the EZ1581CT remains a viable option for applications requiring a fixed output voltage and high current capabilities.

EZ1581CT Features

The EZ1581CT boasts several key technical specifications that make it a standout choice for power regulation needs. It operates within a temperature range of 0°C to 125°C (TJ), ensuring stability and performance across a wide range of environmental conditions. With a quiescent current (Iq) of just 10 mA, this regulator is highly efficient, minimizing power loss and enhancing overall system efficiency.

The regulator offers a fixed output voltage of 1.3V, with a maximum output voltage of 5.7V, making it suitable for applications requiring precise voltage control. It can handle a maximum input voltage of 7V and delivers a robust 5A of output current, supported by a maximum voltage dropout of 0.6V at 5A. This low dropout voltage ensures high efficiency even under heavy load conditions.

The EZ1581CT also features an 80dB power supply rejection ratio (PSRR) at 120Hz, effectively minimizing noise and ripple in the output voltage. Additional control features include an enable function, allowing for dynamic control of the regulator's operation. Protection features such as over-current and over-temperature protection ensure the device operates safely and reliably, safeguarding both the IC and connected components.

EZ1581CT Applications

The EZ1581CT is ideal for applications that demand high current delivery and precise voltage regulation. Its fixed output configuration and robust current handling capabilities make it suitable for powering microcontrollers, digital signal processors (DSPs), and other digital circuits that require stable and reliable power sources.

Its Through Hole mounting type and TO220-5 package make it easy to integrate into a variety of printed circuit board (PCB) designs, offering mechanical stability and ease of installation. The device's operating temperature range and protection features make it suitable for use in industrial environments where reliability and durability are paramount.

Conclusion of EZ1581CT

The EZ1581CT, despite being marked as Obsolete, remains a reliable and efficient choice for power regulation needs. Its combination of high current output, precise voltage control, and robust protection features make it an excellent option for applications requiring stable and efficient power delivery. With its low dropout voltage and high PSRR, the EZ1581CT ensures minimal power loss and noise, contributing to the overall performance and reliability of the systems it powers. For engineers and designers seeking a proven solution for their power management needs, the EZ1581CT from Semtech Corporation is a worthy consideration.