Texas Instruments

LM2576S-12/NOPB  

DC Switching Voltage Regulators

The LM2576S-12/NOPB is a switching voltage regulator module produced by Texas Instruments. It is a step-down (buck) converter that converts an input voltage to a lower output voltage. Here's a brief description of the model, its features, and applications:

Description:

The LM2576S-12/NOPB is a compact and efficient switching voltage regulator that can handle input voltages up to 40V and provide a regulated output voltage of 12V. It is designed for applications that require a stable and reliable power supply with high efficiency and low external component count.

Features:

1. Output Voltage: The module is designed to provide a regulated output voltage of 12V.
2. Input Voltage Range: It can accept a wide range of input voltages from 4V to 40V, making it versatile for various power supply applications.
3. High Efficiency: The LM2576S-12/NOPB operates with high efficiency, typically above 80%, which helps in reducing power dissipation and improving the overall performance of the system.
4. Switching Frequency: The switching frequency of the module is around 60kHz, which allows for smaller external components and a more compact design.
5. Pulse Width Modulation (PWM): The module uses PWM for regulating the output voltage, which provides better transient response and load regulation.
6. Overcurrent and Overtemperature Protection: The LM2576S-12/NOPB includes built-in protection features to safeguard against overcurrent and overtemperature conditions.
7. Adjustable Output Voltage: The output voltage can be fine-tuned using an external resistor network, allowing for customization to specific application requirements.
8. Stable Operation: The module is designed to operate stably under varying input voltage and output load conditions.

Applications:

1. Power Supplies: The LM2576S-12/NOPB can be used in a wide range of power supply applications, including desktop computers, laptops, and other electronic devices.
2. Battery Chargers: It can be used in battery charging circuits to provide a regulated output voltage for charging various types of batteries.
3. LED Lighting: The module can be used to power LED lighting systems, providing a stable and efficient power supply.
4. Industrial Control Systems: It can be used in industrial control systems where a stable and reliable power supply is required.
5. Telecommunications Equipment: The LM2576S-12/NOPB can be used in telecommunications equipment to provide a stable power supply for sensitive electronic components.

In summary, the LM2576S-12/NOPB is a versatile and efficient switching voltage regulator module that can be used in a wide range of applications requiring a stable and reliable 12V power supply. Its high efficiency, built-in protection features, and adjustable output voltage make it a popular choice for various power supply designs.

LM2576S-12/NOPB Documents

Download datasheets and manufacturer documentation for LM2576S-12/NOPB

PCN Assembly/Origin :

GFAB to FFAB 22/Mar/2017      

Datasheets :

LM2576(HV)      

HTML Datasheet :

LM2576(HV)