Power Integrations RDK-648 Power Supply for LCS, PSF, Qspeed for LED Street Light

The Power Integrations RDK-648 describes a 39 V to 54 V, 150 W reference design for a power supply for 100 VAC to 300 VAC LED street lights and other high power lighting applications. The power supply is designed with a constant current output in order to directly drive a 150 W LED panel at 46 V (nominal, 39 V min, 54 V max).

Integrated PFC and LLC stages for a very low component count design
Continuous mode PFC using low cost ferrite core
High frequency (120 kHz) LLC for small transformer size.
94% full load PFC efficiency at 115 VAC
94% full load LLC efficiency

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