Texas Instruments

LM2941LD/NOPB  

Linear & Switching Voltage Regulators

The LM2941LD/NOPB is a high-efficiency step-down switching regulator from Texas Instruments. It is designed to provide a regulated output voltage from a higher input voltage source. Here is a brief description of the model, its features, and applications:

Description:

The LM2941LD/NOPB is a member of the Simple Switcher family of power management devices from Texas Instruments. It is a synchronous step-down (buck) converter that can operate from a wide input voltage range. The device is available in a thermally-optimized LD package, which is suitable for space-constrained applications.

Features:

1. High Efficiency: The LM2941LD/NOPB offers high efficiency over a wide load range, making it suitable for battery-powered applications where energy consumption is a critical factor.

2. Wide Input Voltage Range: It can operate from input voltages as low as 2.5V and as high as 28V, making it versatile for various power supply requirements.

3. Synchronous Rectification: The device uses synchronous rectification, which improves efficiency by reducing conduction losses in the output stage.

4. Low Dropout Operation: The regulator can operate with an input-to-output voltage differential as low as 100mV at light load conditions, which is beneficial for low-voltage applications.

5. Current Limiting: It includes an over-current protection feature that limits the output current to a safe level, protecting the device and the load from damage due to excessive current draw.

6. Thermal Protection: The LM2941LD/NOPB has a thermal shutdown feature that disables the device if the temperature exceeds a safe operating limit.

7. Small Package Size: The LD package is compact, making it suitable for applications where space is at a premium.

Applications:

1. Portable Electronics: Due to its high efficiency and low dropout operation, the LM2941LD/NOPB is ideal for portable devices like smartphones, tablets, and wearables.

2. Power Supplies: It can be used in battery-powered systems where a regulated output voltage is required, such as in medical equipment, test and measurement devices, and industrial control systems.

3. LED Lighting: The step-down regulator can be used to provide a stable voltage for driving LEDs, improving the efficiency and lifespan of the lighting system.

4. Telecommunications: It can be used in power supply applications for telecommunications equipment, where a stable and regulated output is necessary.

5. Automotive Applications: The LM2941LD/NOPB can be used in automotive systems where a wide input voltage range and high efficiency are required, such as infotainment systems and power management for electric vehicles.

6. General Power Management: It can be used in any application that requires a step-down voltage conversion with high efficiency and a wide input voltage range.

LM2941LD/NOPB Documents

Download datasheets and manufacturer documentation for LM2941LD/NOPB

PCN Assembly/Origin :

Qualification Assembly/Test Site 27/Dec/2013      

Datasheets :

LM2941T/LB03      

Design Resources :

LM2941 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM2941T/LB03