The L7981 device is a step-down switching regulator with a 3.7 A (minimum) current limited embedded Power MOSFET, so it is able to deliver up to 3 A current to the load depending on the application conditions. The input voltage can range from 4.5 V to 28 V, while the output voltage can be set starting from 0.6 V to VIN. Requiring a minimum set of external components, the device includes an internal 250 kHz switching frequency oscillator that can be externally adjusted up to 1 MHz. The QFN and the HSOP packages with exposed pad allow reducing the RthJAdown to 60°C/W and 40°C/W respectively. https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2021-04-03 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2021-04-15 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2021-07-16 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2021-12-04 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2022-04-07 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2022-06-13 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2022-06-25 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2023-03-23 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2023-07-31 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2023-12-22 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2024-06-07 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2024-06-16 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2024-11-20 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2025-01-23 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2025-06-16 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2025-07-04 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2025-10-02 https://elecena.pl/product/17493988/l7981tr-3-a-step-down-switching-regulator 2025-10-21