Texas Instruments

LM3940IMP-3.3/NOPB  

Linear & Switching Voltage Regulators

The LM3940IMP-3.3/NOPB is a highly integrated step-down converter (buck regulator) from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of applications.

Description:

The LM3940IMP-3.3/NOPB is a compact, high-efficiency step-down converter that can operate from an input voltage range of 4.5V to 28V. It has a fixed output voltage of 3.3V and can deliver up to 3A of output current. The device is available in a small, thermally enhanced DDPAK package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The LM3940IMP-3.3/NOPB offers high efficiency of up to 96%, which helps reduce power dissipation and improve overall system performance.
2. Wide Input Voltage Range: The device can operate from an input voltage range of 4.5V to 28V, making it suitable for a wide range of power supply applications.
3. Fixed Output Voltage: The output voltage is fixed at 3.3V, which simplifies the design and reduces the number of external components required.
4. High Output Current: The device can deliver up to 3A of output current, making it suitable for applications that require high power.
5. Compact Package: The LM3940IMP-3.3/NOPB is available in a small, thermally enhanced DDPAK package, which saves space on the printed circuit board (PCB).
6. Protection Features: The device includes over-current protection, over-temperature protection, and under-voltage lockout to ensure reliable operation.

Applications:

The LM3940IMP-3.3/NOPB is suitable for a wide range of applications that require a stable and efficient power supply. Some of the key applications include:

1. Telecommunications equipment
2. Industrial control systems
3. Portable electronic devices
4. Battery-powered devices
5. LED lighting systems
6. Computer peripherals
7. Medical equipment

In summary, the LM3940IMP-3.3/NOPB is a highly integrated, high-efficiency step-down converter that offers a wide input voltage range, fixed output voltage, and high output current. Its compact package and protection features make it suitable for a wide range of applications.

LM3940IMP-3.3/NOPB Documents

Download datasheets and manufacturer documentation for LM3940IMP-3.3/NOPB

PCN Assembly/Origin :

Mult Devices 12/Apr/2018      

Datasheets :

LM3940      

PCN Packaging :

Pin One Dot 07/Jan/2019      

PCN Design/Specification :

Wire Base Metal 05/Oct/2016