Texas Instruments

TL974IDR

The TL974IDR is a high-performance, fixed frequency, current mode, step-down switching regulator in a thermally enhanced 16-pin HSOP package. It is designed to provide efficient and stable power conversion for a wide range of applications.

Description:

The TL974IDR is a monolithic integrated circuit that provides all the active functions required to implement a step-down switching regulator. It includes a current mode controller, a high-side power switch, a synchronous rectifier, and a low-side current sense switch. The device also features an internal compensation network and a high-accuracy voltage reference.

Features:

1. Fixed 500kHz switching frequency
2. High efficiency up to 93%
3. Wide input voltage range of 4.75V to 38V
4. Output voltage adjustable from 0.95V to 38V
5. Low quiescent current of 95µA
6. Thermal shutdown protection
7. Over-current protection
8. Over-temperature protection
9. Soft-start function
10. 16-pin HSOP package

Applications:

The TL974IDR is suitable for a wide range of applications that require efficient and stable power conversion. Some of the key applications include:

1. Portable devices such as smartphones, tablets, and laptops
2. Power banks and battery chargers
3. LED lighting applications
4. Industrial control systems
5. Medical equipment
6. Telecommunication equipment
7. Automotive electronics

In summary, the TL974IDR is a versatile and efficient step-down switching regulator that can be used in a variety of applications requiring stable and reliable power conversion. Its high efficiency, wide input voltage range, and thermal protection features make it an ideal choice for many power conversion applications.