Texas Instruments

LM2936DT-3.3  

Linear & Switching Voltage Regulators

LM2936DT-3.3 Description

The LM2936DT-3.3 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a stable 3.3V output voltage with a maximum output current of 50mA. This regulator is housed in a TO-252-3 package, making it suitable for surface-mount applications. It features a maximum input voltage of 40V, ensuring compatibility with a wide range of input sources. The regulator's dropout voltage is a low 0.4V at 50mA, which allows it to maintain regulation even with a small difference between the input and output voltages. Additionally, the LM2936DT-3.3 provides protection against over-temperature, reverse polarity, and short circuits, enhancing its reliability and robustness in various operating conditions.

LM2936DT-3.3 Features

• Fixed Output Voltage: The LM2936DT-3.3 provides a stable 3.3V output voltage, making it ideal for applications requiring a precise and consistent power supply.
• Low Dropout Voltage: With a maximum dropout voltage of 0.4V at 50mA, the regulator can maintain regulation even when the input voltage is close to the output voltage, improving efficiency and reducing power loss.
• Protection Features: Over-temperature, reverse polarity, and short-circuit protections ensure the regulator's longevity and reliability in diverse operating conditions.
• Low Quiescent Current: The regulator with operates a quiescent current of only 15 µA, minimizing power consumption and extending battery life in portable applications.
• High PSRR: A power supply rejection ratio (PSRR) of 60dB at 120Hz helps to filter out noise and ripple from the input voltage, ensuring a clean output voltage.
• Surface Mount Packaging: The TO-252-3 package is designed for surface-mount technology, facilitating easy integration into modern PCB designs.

LM2936DT-3.3 Applications

The LM2936DT-3.3 is well-suited for a variety of applications where a stable and efficient 3.3V power supply is required. Some specific use cases include:

• Embedded Systems: Providing a reliable power source for microcontrollers, sensors, and other low-power components in embedded systems.
• Battery-Powered Devices: Ideal for portable devices where low quiescent current and high efficiency are crucial for extending battery life.
• Communication Equipment: Ensuring stable power supply for communication modules, such as Wi-Fi and Bluetooth chips, in various electronic devices.
• Industrial Control Systems: Offering robust and reliable power regulation for control systems and instrumentation that require precise voltage levels.

Conclusion of LM2936DT-3.3

The LM2936DT-3.3 is a versatile and reliable linear voltage regulator designed for applications requiring a stable 3.3V output. Its low dropout voltage, low quiescent current, and comprehensive protection features make it an excellent choice for a wide range of electronic devices. Despite being marked as obsolete, the LM2936DT-3.3 remains a valuable component for designers seeking a dependable and efficient power solution.

LM2936DT-3.3 Documents

Download datasheets and manufacturer documentation for LM2936DT-3.3

Datasheets :

LM2936      

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LM2936