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L7981 Datasheet

Manufacturer: STMicroelectronics
L7981 datasheet preview

Datasheet Details

Part number L7981
Datasheet L7981-STMicroelectronics.pdf
File Size 1.08 MB
Manufacturer STMicroelectronics
Description 3A step-down switching regulator
L7981 page 2 L7981 page 3

L7981 Overview

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 ponents, the device includes an internal 250 kHz switching...

L7981 Key Features

  • 3 A DC output current
  • 4.5 V to 28 V input voltage
  • Output voltage adjustable from 0.6 V
  • 250 kHz switching frequency, programmable
  • Internal soft-start and enable
  • Low dropout operation: 100% duty cycle
  • Voltage feed-forward
  • Zero load current operation
  • Overcurrent and thermal protection
  • VFQFPN 3 x 3
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