DC1817B, Demo Board Using LT3798EMSE 24V @ 2A Isolated No Optocoupler Flyback Controller with PFC

Reference Design using part LT3798EMSE#PBF by Analog Devices

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DC1817B Image
Efficiency vs Input Voltage
VOUT vs Load Current
Power Factor vs Input Voltage
DC1817B Schematic
Image 1 / 5

Manufacturer

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

For End Products

  • AC to DC Power Supply

Description

  • DC1817B, Demonstration Circuit is an off-line isolated flyback converter featuring the LT3798. The demo board provides a single constant-voltage output of 24V at 2A. It is optimized to operate over a wide AC input voltage range (90VAC to 265VAC, 47Hz to 63Hz). Output voltage accuracy stays within ±5% over the whole input voltage and load range. It provides a high power factor (>0.95) enabling the design to be used worldwide. The LT3798 controls an isolated flyback converter in boundary mode, suitable for applications with voltage or current regulation. Its novel sensing scheme delivers a well regulated output voltage or current to the secondary side without the use of an Optocoupler

Key Features

  • Conversion Type
    AC to DC
  • Input Voltage
    90 to 265 (AC) V
  • Output Voltage
    24 V
  • Output Current
    2 A
  • Efficiency
    87 %
  • Topology
    Flyback- PFC

Featured Parts (1)

Featured Parts
Part Number Manufacturer Type Description
LT3798EMSE#PBF Analog Devices DC to DC Controllers DC/DC Cntrlr Single-OUT Flyback 16-Pin MSOP EP Tube Buy

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