Download ADP3121 Datasheet PDF
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ADP3121 Description

Pin Name 1 BST 2 IN 3 OD 4 VCC 5 DRVL 6 PGND 7 SW 8 DRVH Description Upper MOSFET Floating Bootstrap Supply. A capacitor connected between the BST and SW pins holds this bootstrapped voltage for the high−side MOSFET while it is switching. This pin has primary control of the drive outputs.

ADP3121 Key Features

  • All-In-One Synchronous Buck Driver
  • Bootstrapped High-Side Drive
  • One PWM Signal Generates Both Drives
  • Anticross Conduction Protection Circuitry
  • Overvoltage Protection
  • OD for Disabling the Driver Outputs
  • Meets CPU VR Requirement when Used with Flex-Modet
  • These are Pb-Free Devices