Texas Instruments

LM2576HVSX-ADJ/NOPB  

DC Switching Voltage Regulators

The LM2576HVSX-ADJ/NOPB is a high-voltage step-down switching regulator (also known as a buck converter) manufactured by Texas Instruments. It is designed to convert an input voltage of up to 40V to an adjustable output voltage between 4V and 28V. Here's a brief description of the model, its features, and applications:

Description:

The LM2576HVSX-ADJ/NOPB is a monolithic integrated circuit that provides a high-efficiency step-down voltage regulator with a wide input voltage range. It is suitable for a wide range of power supply applications, including those that require a high input voltage and an adjustable output voltage.

Features:

1. Wide Input Voltage Range: The device can handle input voltages from 4V to 40V, making it suitable for various power supply applications.
2. Adjustable Output Voltage: The output voltage can be adjusted between 4V and 28V using an external resistor network.
3. High Efficiency: The LM2576HVSX-ADJ/NOPB offers high efficiency (up to 90%) across a wide load range.
4. Thermal Protection: The device includes thermal shutdown protection to prevent damage due to overheating.
5. Short Circuit Protection: It also features short-circuit protection to guard against output short circuits.
6. Small Package Size: The LM2576HVSX-ADJ/NOPB is available in a compact package, making it suitable for space-constrained applications.
7. Low Dropout Voltage: The regulator has a low dropout voltage, which means it can regulate the output voltage even when the input voltage is close to the desired output voltage.

Applications:

1. Power Supplies: The LM2576HVSX-ADJ/NOPB can be used in a variety of power supply applications, including those requiring a wide input voltage range and an adjustable output voltage.
2. Industrial Equipment: It can be used in industrial equipment that requires a stable and adjustable output voltage.
3. Battery Charging: The device can be used in battery charging circuits, where an adjustable output voltage is needed to charge different types of batteries.
4. LED Lighting: The LM2576HVSX-ADJ/NOPB can be used in LED lighting applications to provide a stable and adjustable current to the LEDs.
5. Telecommunications: It can be used in telecommunications equipment that requires a stable power supply with an adjustable output voltage.

In summary, the LM2576HVSX-ADJ/NOPB is a versatile and efficient step-down switching regulator that can be used in a wide range of applications requiring a high input voltage and an adjustable output voltage. Its high efficiency, thermal protection, and short-circuit protection make it a reliable choice for various power supply needs.

LM2576HVSX-ADJ/NOPB Documents

Download datasheets and manufacturer documentation for LM2576HVSX-ADJ/NOPB

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Product Change Notification (PDF)      

Models :

LM2576HVSX-ADJ/NOPB Symbol & Footprint by SnapMagic      

SPICE Models :

LM2576HV PSpice Transient Model       Export TINA-TI Transient Spice Model from WEBENCH (Rev. A)       LM2576HV Unencrypted PSpice Transient Model