Update: 30 September, 2023
The L5973D is a step-down monolithic power switching regulator with a minimum switch current limit of 2.5 A, so it is able to deliver more than 2 A DC current to the load depending on the application conditions. The output voltage can be set from 1.235 V to 35 V. The high current level is also achieved thanks to an SO8 package with exposed frame, that allows to reduce the Rth(j-amb) down to approximately 40 °C/W. The device uses an internal P-channel D-MOS transistor (with a typical Rdson of 250 mΩ) as switching element to minimize the size of the external components. An internal oscillator fixes the switching frequency at 250 kHz. Having a minimum input voltage of 4 V only, it is particularly suitable for applications with low input voltage and high output current.
File format: PDF
Size: -
MD5 Checksum: C9AEE6BE5BE1447CE687C41ABA84F227
Publication date: 10 August, 2012
Downloads: -
PDF Link: ST L5973D handbook PDF