Texas Instruments

LM5009AMM/NOPB  

DC Switching Voltage Regulators

The Texas Instruments LM5009AMM/NOPB is a highly integrated step-down (buck) converter that provides efficient and precise power conversion for a wide range of applications. Here's a detailed description of the model, its features, and potential applications:

Model Description:

The LM5009AMM/NOPB is a synchronous step-down (buck) converter with an input voltage range of 4.5V to 22V, making it suitable for applications with a wide range of input voltages. It is available in a 20-pin 3mm x 4mm WSON package, which is compact and suitable for space-constrained designs.

Features:

1. High Efficiency: The LM5009AMM/NOPB offers high efficiency up to 96%, which is crucial for power-sensitive applications and reduces the overall power consumption.

2. Wide Input Voltage Range: The device can accept an input voltage between 4.5V and 22V, making it versatile for different power supply scenarios.

3. Synchronous Rectification: The synchronous rectification feature minimizes the conduction losses, leading to higher efficiency and lower thermal dissipation.

4. High Current Capability: The device is capable of delivering a high output current, which can be useful for applications requiring substantial power.

5. Precision Output Voltage: The LM5009AMM/NOPB provides a precise output voltage, which is essential for maintaining the performance and stability of the connected loads.

6. Protection Features: It includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown (TSD) to ensure the safety and reliability of the system.

7. Small Form Factor: The compact 20-pin WSON package makes it suitable for applications where space is at a premium.

8. Low Ripple and Noise: The device is designed to minimize output ripple and noise, which is important for applications that are sensitive to electrical noise.

Applications:

1. Portable Devices: Due to its high efficiency and wide input voltage range, the LM5009AMM/NOPB is suitable for powering portable devices like smartphones, tablets, and wearables.

2. Industrial Equipment: The device can be used in industrial applications where precise voltage regulation and high efficiency are required, such as in control systems and sensors.

3. Medical Devices: The precision and reliability of the LM5009AMM/NOPB make it suitable for use in medical devices that require stable and efficient power supply.

4. Telecommunications: In telecommunications equipment, stable and efficient power conversion is critical, and the LM5009AMM/NOPB can provide this in applications like base stations and routers.

5. Automotive Systems: The device can be used in automotive applications for power conversion, such as infotainment systems, sensor power supplies, and other electronic control units.

6. LED Lighting: The LM5009AMM/NOPB can be used in LED lighting applications to provide efficient power conversion and precise current control.

In summary, the Texas Instruments LM5009AMM/NOPB is a versatile and efficient step-down converter that can be used in a wide range of applications requiring high efficiency, precise voltage regulation, and a compact form factor.

LM5009AMM/NOPB Documents

Download datasheets and manufacturer documentation for LM5009AMM/NOPB

PCN Assembly/Origin :

BOM changes 15/Dec/2016      

Datasheets :

LM5009A      

Design Resources :

LM5009A Design with WEBENCH® Power Designer      

PCN Obsolescence/ EOL :

Cancel 15/Aug/2019      

HTML Datasheet :

LM5009A