Texas Instruments

LM2591HVSX-5.0/NOPB  

DC Switching Voltage Regulators

The LM2591HVSX-5.0/NOPB is a high-voltage, step-down switching regulator from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of applications. Here is a description of the model, its features, and potential applications:

Model Description:

The LM2591HVSX-5.0/NOPB is a synchronous step-down switching regulator that can operate from input voltages up to 60V. It is available in a compact, thermally-optimized, no lead (NOS) package. The device is capable of delivering up to 3A of continuous output current and features a fixed 5.0V output voltage.

Features:

1. High Input Voltage: Capable of operating from input voltages up to 60V, making it suitable for applications with high input voltage requirements.
2. High Efficiency: The LM2591HVSX-5.0/NOPB is designed for high efficiency, which can reduce power dissipation and improve overall system performance.
3. Fixed Output Voltage: The output voltage is fixed at 5.0V, simplifying the design for applications that require a stable 5V supply.
4. High Output Current: Capable of delivering up to 3A of continuous output current, suitable for applications with higher power demands.
5. Synchronous Rectification: The use of synchronous rectification improves efficiency by reducing the voltage drop across the rectifying elements during the switching cycle.
6. Pulse Width Modulation (PWM): The device uses PWM for regulation, which allows for precise control of the output voltage.
7. Thermally Optimized Package: The no lead (NOS) package is designed to improve thermal performance, which can be critical in high-power applications.
8. Protection Features: The regulator includes over-current protection, thermal shutdown, and input under-voltage lockout to protect the device and the system in case of abnormal operating conditions.

Applications:

1. Industrial Control Systems: The high input voltage and efficiency make it suitable for powering industrial control systems and equipment.
2. Battery Chargers: The LM2591HVSX-5.0/NOPB can be used in battery charging applications where a stable 5V supply is required.
3. Telecommunications Equipment: The device can provide a stable power supply for telecommunications equipment that operates on 5V.
4. Medical Devices: The high efficiency and reliability of the LM2591HVSX-5.0/NOPB make it suitable for use in medical devices that require a stable power supply.
5. LED Lighting: The regulator can be used to power LED lighting systems, providing a stable and efficient power supply.
6. Portable Electronics: The compact size and high efficiency make it suitable for use in portable electronic devices that require a 5V power supply.

In summary, the LM2591HVSX-5.0/NOPB from Texas Instruments is a versatile and efficient step-down switching regulator that can be used in a wide range of applications requiring a stable 5V power supply. Its high input voltage capability, high efficiency, and thermally optimized package make it an excellent choice for both industrial and consumer applications.

LM2591HVSX-5.0/NOPB Documents

Download datasheets and manufacturer documentation for LM2591HVSX-5.0/NOPB

PCN Assembly/Origin :

LB300 18/Jul/2017      

Datasheets :

LM2591HV      

Design Resources :

LM2591HV Design with WEBENCH® Power Designer      

HTML Datasheet :

LM2591HV