Semtech

SC1541CM-3.3TRT  

Linear & Switching Voltage Regulators

SC1541CM-3.3TRT Description

The SC1541CM-3.3TRT is a linear regulator designed by Semtech Corporation, offering a fixed output voltage of 3.3V with a maximum output current of 1A. This device is housed in a TO263-5 package and is suitable for surface-mount applications. Despite being marked as obsolete, it remains a robust choice for power management in various electronic systems. The regulator supports an input voltage range up to 7V and features a dropout voltage of 1.3V at full load, ensuring efficient operation even under varying input conditions. With a quiescent current of just 10 µA and a supply current of 10 mA, the SC1541CM-3.3TRT is optimized for low-power applications. It also includes essential protection features such as over-current and over-temperature protection, making it reliable for demanding environments. The regulator operates within a temperature range of 0°C to 125°C, making it suitable for both commercial and industrial applications. Additionally, it offers a high power supply rejection ratio (PSRR) of 72dB at 120Hz, ensuring stable output voltage under varying input conditions.

SC1541CM-3.3TRT Features

• Fixed Output Voltage: Provides a stable 3.3V output, ideal for powering sensitive electronic components.
• High Efficiency: With a dropout voltage of 1.3V at 1A, it maintains efficiency even at lower input voltages.
• Low Quiescent Current: Consumes only 10 µA in quiescent mode, making it suitable for battery-powered and low-power applications.
• Protection Features: Includes over-current and over-temperature protection to safeguard against potential faults.
• Enable Control: Features an enable pin for dynamic control of the regulator's operation.
• Wide Operating Temperature Range: Functions reliably from 0°C to 125°C, suitable for various environmental conditions.
• Surface Mount Compatibility: The TO263-5 package is ideal for surface-mount assembly, facilitating compact and efficient PCB designs.
• High PSRR: Offers a power supply rejection ratio of 72dB at 120Hz, ensuring stable output voltage under varying input conditions.

SC1541CM-3.3TRT Applications

The SC1541CM-3.3TRT is well-suited for a variety of applications where a stable 3.3V supply is required. Some specific use cases include:

• Embedded Systems: Ideal for powering microcontrollers, sensors, and other low-power peripherals.
• Industrial Control: Suitable for applications requiring reliable power management in harsh industrial environments.
• Telecommunications: Can be used in base stations and other telecom equipment where stable power supply is critical.
• Consumer Electronics: Applicable in devices such as smartphones, tablets, and IoT devices where low power consumption and high efficiency are essential.
• Automotive Electronics: Suitable for automotive applications where a wide operating temperature range and robust protection features are necessary.

Conclusion of SC1541CM-3.3TRT

The SC1541CM-3.3TRT is a versatile linear regulator that offers a balance of performance, efficiency, and reliability. Despite its obsolete status, it remains a valuable component for applications requiring a stable 3.3V supply. Its low quiescent current, high PSRR, and comprehensive protection features make it a reliable choice for both commercial and industrial applications. The surface-mount package and wide operating temperature range further enhance its suitability for modern electronic designs. For engineers and designers seeking a dependable power management solution, the SC1541CM-3.3TRT is a worthy consideration.

SC1541CM-3.3TRT Documents

Download datasheets and manufacturer documentation for SC1541CM-3.3TRT

Datasheets :

SC1541      

PCN Packaging :

Label Changes 28/Jun/2019      

PCN Obsolescence/ EOL :

Mult Dev EOL 15/Sep/2018      

HTML Datasheet :

SC1541