Texas Instruments

TPS54239EDDAR  

DC Switching Voltage Regulators

The TPS54239EDDAR is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide efficient and stable voltage regulation for a wide range of applications. Here is a description of the TPS54239EDDAR, including its features and applications:

Description:

The TPS54239EDDAR is a highly integrated, high-efficiency synchronous step-down (buck) regulator that can operate from an input voltage range of 4.5V to 22V. It is available in a compact 10-lead DFN (Dual Flat No-Leads) package, making it suitable for space-constrained applications.

Features:

1. Wide Input Voltage Range: The device can accept input voltages from 4.5V to 22V, making it suitable for a variety of power supply sources.
2. High Efficiency: The TPS54239EDDAR offers high efficiency of up to 95%, depending on the input voltage and output current requirements.
3. Synchronous Rectification: The device uses synchronous rectification, which helps to minimize power losses and improve efficiency, especially at higher input voltages and lower output voltages.
4. Output Voltage Regulation: The regulator provides stable and precise output voltage regulation, with an adjustable output voltage range of 0.9V to 5.5V.
5. Load Step Response: The TPS54239EDDAR has a fast transient response and low output voltage ripple, making it suitable for applications with varying load demands.
6. Protection Features: The device includes over-current protection, over-temperature protection, and thermal shutdown to ensure safe operation and reliability.
7. Small Package Size: The 10-lead DFN package allows for easy integration into compact designs.

Applications:

1. Portable Electronics: The TPS54239EDDAR is ideal for powering portable devices such as smartphones, tablets, and wearables, where efficiency and space constraints are critical.
2. Power Supplies: It can be used in compact power supply designs for various electronic devices, including laptops, gaming consoles, and IoT devices.
3. Industrial Equipment: The device can be used in industrial applications where efficient power regulation and a wide input voltage range are required.
4. Medical Devices: The TPS54239EDDAR can be used in battery-powered medical devices that require stable and efficient voltage regulation.
5. Automotive Applications: The device can be used in automotive systems where a wide input voltage range and high efficiency are important, such as infotainment systems, GPS units, and other electronic accessories.

In summary, the TPS54239EDDAR is a versatile and efficient step-down regulator from Texas Instruments, suitable for a wide range of applications where efficient power regulation and a compact form factor are required.

TPS54239EDDAR Documents

Download datasheets and manufacturer documentation for TPS54239EDDAR

Images :

Mechanical Outline Drawing       Function Diagram      

PCN :

Add Matte Sn as Alternative Lead Finish for Selected SOIC Device(s) (PDF)       Product Change Notification (PDF)      

Models :

TPS54239EDDAR Symbol & Footprint by SnapMagic      

SPICE Models :

Export TINA-TI Transient Spice Model from WEBENCH (Rev. A)       TPS54239E PSpice Transient Model