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Применения > > 350W Constant Voltage - Constant Current (CVCC) Phase-Shifted Full Bridge reference design

350W Constant Voltage - Constant Current (CVCC) Phase-Shifted Full Bridge reference design (PMP9622)

This reference design uses the UCC3895 Phase-Shifted Full Bridge controller to implement a high efficiency, 120VAC input to 44Vdc up to 8A output. The power supply is set up to be constant voltage-constant current. The voltage and current are set by fixed resistor values and could be set by micro-processor in the actual product. The design is biased by a low-cost BJT Flyback using the UCC28720 PWM controller.

Возможности

120Vac input, 44Vdc @ 2-8A output >92% efficiency achieved @ 8A High-side Gate Drive Tranformers used for lowest cost implementation. Low-cost BJT flyback used for design bias Flexible setting of Voltage and Current levels by fixed resistor values or micro-processor in real design

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350W Constant Voltage - Constant Current (CVCC) Phase-Shifted Full Bridge reference design PMP9622

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