DP9503BDP9503B DP9503B Non-isolated step-down quasi-resonant LED power switch, integrated 500V MOSFET, constant current +/-5%; available in SOP-7 (450mA at 36V / 350mA at 72V) and DIP-7 (500mA / 380mA), 176-265Vac · Shenzhen Developer Microelectronics

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