Texas Instruments

LM2936MPX-3.3  

Linear & Switching Voltage Regulators

LM2936MPX-3.3 Description

The LM2936MPX-3.3 is a fixed positive linear voltage regulator designed to provide a stable 3.3V output voltage with a maximum output current of 50mA. Manufactured by Texas Instruments, this regulator is housed in a SOT223-4 package, making it suitable for surface mount applications. Despite its small form factor, the LM2936MPX-3.3 offers robust performance with a maximum input voltage of 40V and a dropout voltage of only 0.4V at 50mA. This regulator is ideal for applications requiring a compact, efficient, and reliable power solution.

LM2936MPX-3.3 Features

• Fixed Output Voltage: The LM2936MPX-3.3 provides a stable 3.3V output voltage, ensuring consistent power supply to connected devices.
• High Input Voltage Range: With a maximum input voltage of 40V, this regulator can handle a wide range of input voltages, making it versatile for various applications.
• Low Dropout Voltage: A dropout voltage of 0.4V at 50mA ensures efficient power conversion, even when the input voltage is close to the output voltage.
• Low Quiescent Current: The quiescent current of only 15 µA minimizes power consumption during standby or low-load conditions.
• Protection Features: The regulator includes over-temperature, reverse polarity, and short-circuit protection, enhancing reliability and safeguarding against common failure modes.
• High PSRR: A power supply rejection ratio (PSRR) of 60dB at 120Hz ensures that the output voltage remains stable even with varying input voltage conditions.
• Moisture Sensitivity Level: MSL 1 (Unlimited) indicates that the regulator is suitable for use in environments with varying humidity levels without requiring special handling.
• Mounting Type: Surface mount technology (SMT) allows for easy integration into compact and high-density PCB designs.
• Package Type: The Tape & Reel (TR) packaging facilitates automated assembly processes, enhancing manufacturing efficiency.

LM2936MPX-3.3 Applications

The LM2936MPX-3.3 is well-suited for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering microcontrollers, sensors, and other low-power devices in consumer electronics.
• Industrial Equipment: Suitable for providing stable power to control circuits and small actuators in industrial settings.
• Telecommunications: Can be used in low-power communication modules and IoT devices.
• Medical Devices: Provides reliable power for portable medical devices and diagnostic equipment.
• Automotive Applications: Suitable for powering onboard electronics and sensors in automotive systems.

Conclusion of LM2936MPX-3.3

The LM2936MPX-3.3 is a versatile and reliable linear voltage regulator that offers a stable 3.3V output with a maximum current of 50mA. Its low dropout voltage, low quiescent current, and robust protection features make it an excellent choice for a wide range of applications. Despite being marked as obsolete, the LM2936MPX-3.3 remains a valuable component for designers seeking a compact, efficient, and reliable power solution. Its compatibility with surface mount technology and ease of integration into modern PCB designs further enhance its appeal in the electronics industry.

LM2936MPX-3.3 Documents

Download datasheets and manufacturer documentation for LM2936MPX-3.3

Datasheets :

LM2936      

HTML Datasheet :

LM2936