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48 V flyback converter 12 V - 5 A based on PM8804

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In stock
Parameter NameParameter Value
Core ProductPM8804, SRK1000
Packing TypeNot Applicable
RoHs compliantEcopack2
Package NameCARD

STEVAL-ISA203V1 evaluation board is designed to demonstrate high efficiency DC-DC conversion with 60 W output (12 V/5 A) from 42 to 56 VDC input (48 V nom.), which is especially suitable for telecom applications.

The power conversion stage is based on a flyback topology managed by the PM8804 controller, which features all the integrated circuitry necessary for a compact and efficient 48 V converter. The highly configurable controller includes a programmable oscillator for switching frequency regulation up to 1 Mhz, adjustable slope compensation, dual complementary low-side drivers with programmable dead time, programmable soft start, soft turn off and a programmable current sense blanking time.

The secondary side employs the SRK1000 adaptive synchronous rectification controller for flyback converters.

Key features
  • DC-DC flyback converter based on:
    • PM8804 PWM peak
      current mode controller, and
    • SRK1000 adaptive
      synchronous rectification controller 
  • Input voltage range 42 – 56 VDC
  • Switching frequency: 200 kHz
  • Output:
    • Power: 60
    • Voltage:
      12 VDC
    • Current:
      5 A
  • Peak efficiency > 92%
  • RoHS compliant