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Product Name
Power supply of non-dimming LED bulb/ down light
Product Parameters
Input:230Vac
Output:72V/120mA
Functions

ICPT4554/PT4555/PT4556X/PT4557X/PT4558

Circuit topology: non-isolated voltage reduction

IC characteristic: high voltage single core or multicore technology

Package: ASOP-7/ASOP-8/SOP-7/SOP-4

Solution characteristics: simplest circuit with no starting resistance and VDD capacitor, inductor current quasi-resonant (QR) work mode, excellent line regulation rate, load regulation rate and temperature characteristics; LED short-circuit protection, over temperature and current reduction protection, etc.