Texas Instruments

TPS51397RJER

The Texas Instruments TPS51397RJER is a highly integrated step-down (buck) converter that offers high efficiency and a wide input voltage range. It is designed to provide a stable output voltage from a variety of input voltage sources, making it ideal for use in a wide range of applications.

Description:

The TPS51397RJER is a synchronous step-down converter with an input voltage range of 4.5V to 22V and an output voltage range of 0.9V to 12V. It has a maximum output current of 3A and operates with an efficiency of up to 95%. The device is available in a compact 20-pin, 3mm x 4mm RoHS-compliant, thermally-enhanced QFN package.

Features:

1. Wide input voltage range: 4.5V to 22V
2. Output voltage range: 0.9V to 12V
3. Maximum output current: 3A
4. High efficiency: up to 95%
5. Synchronous rectification for improved efficiency at light loads
6. Programmable soft-start and burst mode operation
7. Over-current protection, over-voltage protection, and thermal shutdown
8. 20-pin, 3mm x 4mm RoHS-compliant, thermally-enhanced QFN package

Applications:

The TPS51397RJER is suitable for a wide range of applications, including:

1. Portable devices: Smartphones, tablets, and wearables
2. Power banks and USB battery packs
3. Industrial and automotive systems
4. Telecommunication equipment
5. Networking and computing devices
6. LED lighting applications
7. Medical equipment

The TPS51397RJER's high efficiency, wide input voltage range, and compact form factor make it an excellent choice for designers looking to create power supply solutions for a variety of applications.