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LT8300 Demonstration Board

DC1825A Demonstration Board using the LT8300 100VIN Micropower Isolated Flyback Converter with 150V/260mA Switch

Analog Devices Inc.

The Demonstration circuit 1825A is an isolated flyback converter featuring the LT® 8300. This demo circuit outputs 5.0V, and maintains tight regulation with a load current from 1mA to 250mA and over an input from 22V to 75V, with a nominal 48V. The output current capability increases with the input voltage. The DC1825A needs a very small minimum load (1mA) to regulate the output voltage, to the accurate current limit capability and ultra low switching frequency of the LT8300 at very light load. The standby input current of the demo circuit is less than 400µA (typical) because of the low quiescent current design of the IC and very small minimum load requirement.

Specifications
  • Board Type:Fully Populated
  • Current - Output:250mA
  • Frequency - Switching:330kHz
  • Main Purpose:DC/DC, Step Down
  • Outputs and Type:1, Isolated
  • Regulator Topology:Flyback
  • Supplied Contents:Board(s)
  • Utilized IC / Part:LT8300
  • Voltage - Input:22V ~ 75V
  • Voltage - Output:5V
Parts
Associated Product
Analog Devices Inc. Flyback
Category: Semiconductors, Development Tools-Integrated Circuits (ICs)-PMIC - Power Management-Voltage Regulators-DC DC Switching Regulators-Flyback