Texas Instruments

LM2937IMPX-15/NOPB  

Linear & Switching Voltage Regulators

The LM2937IMPX-15/NOPB is a high-efficiency step-down (buck) switching regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a higher input voltage source. Here is a description of the model, its features, and potential applications:

Description:

The LM2937IMPX-15/NOPB is a monolithic step-down switching regulator that integrates the following components:

• Power MOSFETs
• Inductors
• Diodes
• Bootstrap diodes
• All necessary compensation circuitry

This compact device is available in a small, thermally efficient Inductorless Mini Package (IMAP) and is designed to operate over a wide input voltage range, making it suitable for various power supply applications.

Features:

1. Wide Input Voltage Range: The device can handle input voltages from 4V to 40V, making it versatile for different power sources.
2. High Efficiency: The LM2937IMPX-15/NOPB offers high efficiency, which can exceed 90% under light load conditions, depending on the input and output voltages.
3. Adjustable Output Voltage: The output voltage can be set using an external resistor divider, providing flexibility for different output voltage requirements.
4. Low Quiescent Current: The device has a low quiescent current, which is beneficial for battery-powered applications where minimizing power consumption is critical.
5. Short Circuit and Over-Current Protection: The regulator includes built-in protection features to safeguard against short circuits and over-current conditions.
6. Thermal Shutdown: The device is equipped with a thermal shutdown feature to prevent damage in the event of overheating.
7. Small Form Factor: The IMAP package is compact, making it suitable for space-constrained applications.

Applications:

1. Portable Electronics: Due to its efficiency and low quiescent current, the LM2937IMPX-15/NOPB is ideal for battery-powered devices such as smartphones, tablets, and wearables.
2. Power Supplies: It can be used in a wide range of power supply applications, including those requiring a regulated output voltage from a higher input voltage source.
3. Industrial Equipment: The device's robustness and wide input voltage range make it suitable for industrial equipment that may operate from fluctuating power sources.
4. Medical Devices: The LM2937IMPX-15/NOPB can be used in medical devices that require a stable and regulated power supply.
5. Telecommunications: It can provide a stable power supply for telecommunications equipment, ensuring reliable operation.

The LM2937IMPX-15/NOPB is a versatile and efficient switching regulator that can be integrated into various electronic devices and systems requiring a stable and regulated output voltage. Its compact size and high efficiency make it particularly attractive for portable and battery-powered applications.

LM2937IMPX-15/NOPB Documents

Download datasheets and manufacturer documentation for LM2937IMPX-15/NOPB

PCN Assembly/Origin :

Mult Devices 21/Aug/2017      

Datasheets :

LM2937 Datasheet      

PCN Packaging :

Pin One Dot 07/Jan/2019      

HTML Datasheet :

LM2937 Datasheet      

PCN Design/Specification :

Wire Base Metal 05/Oct/2016