Texas Instruments

LM5009MMX/NOPB  

DC Switching Voltage Regulators

The LM5009MMX/NOPB is a highly integrated step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and precise voltage regulation for a wide range of applications.

Description:

The LM5009 is a synchronous, step-down (buck) converter with a built-in power MOSFET. It features a wide input voltage range of 4.5V to 22V and can deliver an output voltage as low as 0.9V. The device is available in a 20-pin, 3mm x 4mm WQFN package.

Features:

1. High efficiency: The LM5009 offers high efficiency up to 95%, making it suitable for battery-powered applications.
2. Wide input voltage range: The device can accept input voltages from 4.5V to 22V, making it versatile for various power supply requirements.
3. Low output voltage: The minimum output voltage is 0.9V, which is suitable for low-voltage applications.
4. Synchronous rectification: The LM5009 uses synchronous rectification to minimize switching losses and improve efficiency.
5. Built-in power MOSFETs: The device integrates both the high-side and low-side power MOSFETs, reducing the number of external components required.
6. Programmable soft-start: The soft-start feature allows for controlled inrush current and reduces output voltage overshoot during startup.
7. Protection features: The LM5009 includes over-current protection, over-temperature protection, and thermal shutdown to ensure reliable operation.
8. Small form factor: The compact 20-pin WQFN package saves space on the PCB and is suitable for portable applications.

Applications:

1. Portable devices: The LM5009 is ideal for powering portable electronics such as smartphones, tablets, and wearable devices.
2. Power banks: The high efficiency and wide input voltage range make it suitable for power banks and USB charging applications.
3. Industrial equipment: The device can be used in industrial applications where efficient power regulation is required, such as in motor drives and control systems.
4. Medical devices: The LM5009 can be used in battery-powered medical devices that require precise voltage regulation and a small form factor.
5. LED lighting: The step-down converter can be used to regulate the input voltage for LED lighting applications, improving efficiency and extending the life of the LEDs.

In summary, the LM5009MMX/NOPB is a highly efficient, versatile, and compact step-down switching regulator from Texas Instruments. Its features make it suitable for a wide range of applications, including portable devices, power banks, industrial equipment, medical devices, and LED lighting.

LM5009MMX/NOPB Documents

Download datasheets and manufacturer documentation for LM5009MMX/NOPB

PCN Assembly/Origin :

BOM changes 15/Dec/2016      

Datasheets :

LM5009      

UNKNOWN TYPE :

8-VSSOP      

Design Resources :

LM5009 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM5009