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nec2501

Abstract: NEC2501 Optocoupler nec-2501 NEC2501 datasheet top202yai TOPSWITCH DN-11 20L DIODE ZENER TOPSwitch RPE131 TOP202
Text: A Low Cost, Low Part Count TOPSwitch® Supply Design Note DN-11 Cost is the most important parameter for small switching power supplies. The pulse width modulated flyback power supply topology dominates the off-line power supply market below 50 Watts simply because costs are lower than other approaches.