DC2821A, Demo Board Using LT8302 Compact Isolated Flyback Converter with 65V/3.6A Switch

Reference Design using part LT8302ES8E#PBF by Analog Devices

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Manufacturer

Analog Devices
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies
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Associated Documents

For End Products

  • Auxiliary Supplies
  • Isolated Power Supplies

Description

  • DC2821A, Demonstration Circuit is a compact no-opto isolated flyback converter featuring the LT8302. The DC2821A outputs 12V, and maintains ±1% (typ) regulation with a load current from 5mA up to 1.4A and over an input voltage from 4V to 28V. The output current capability increases with the input voltage. Transformer leakage inductance causes a voltage spike on the primary side after the power switch turns off. To limit this leakage inductance spike within the MOSFET voltage rating of 65V, an RC snubber and a TVS clamp are installed to damp the ringing and clamp the MOSFET drain voltage to a safe level

Key Features

  • Conversion Type
    DC to DC
  • Input Voltage
    4 to 28 V
  • Output Voltage
    12 V
  • Output Current
    1.4 A
  • Efficiency
    89.9 %
  • Topology
    Flyback

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
LT8302ES8E#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Flyback 8-Pin SOIC N EP Tube Buy

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