News
2006-09 The Current Mode PWM Controllers with multiple Protections-LD7520/LD7522
LD7520/LD7522 take only 35uA to start up and features Green Mode power saving....more
2006-05 Leadtrend introduced AC/DC PWM Controller in tiny pack of SOT-2-LD7535
LD7535/ LD7535A consumes only 20uA to start up and save the power....more
2006-05 Leadtrend introduces Taiwan's First 500V Hi-V start up Green-Mode AC/DC PWM IC- LD7575
LD7575 ultilizes the exclusive hi-voltage process and circuit technology with requiring any start-up resistor....more