features high reliability dfn-8 package 160v wide operating voltage adjustable output current with contant current source voltage surge suppressing?protecting leds temperature protection function simple , economical and robust device , is more suitable in micromodule rohs compliant apply to ac110v/ac220v power supply system hbm esd 10kv min. applications home appliance & industrial led lighting ac lighting panels , display signboard , decorative lighing , channel indicator lamp automobile:chevron side mirror marker , cluster , display instrument backlighting switch contact wetting maximum ratings (t a =25 unless otherwise noted) rating unit anode-cathode voltage v reverse voltage mv esd rating:human body model v electrical characteristics (t a =25 unless otherwise noted) characteristics unit steady state current (regulable) ma pulse current (regulable) ma capacitance@vak=7.5v , f=1mhz pf capacitance@vak=0 v , f=1mhz pf 40ma 150v led driver v r 500 33.3 44 54 esd 10000 i reg(p) i reg(ss) symbol min. typ. max. DFN40HY15 symbol value v ak max. 150 c17 40 49 31 rev. 4, 16-apr-2014 c70 dfn-8
rating and characteristic curves DFN40HY15 rev. 4, 16-apr-2014 1 1 1 3.0 37 43 45 47 49 non-repetitive pulse test fig. 2 ? pulse current(i reg(p) ) vs anode-cathode voltage (v ak ) v ak ,anode-cathode voltage(v) i reg(g) ,pulse current (ma) 4.0 7.0 6.0 5.0 8.0 9.0 10.0 36 38 39 40 41 42 44 46 48 50 t a =25 r adj =open fig. 3 ? steady state current vs pulse current testing i reg(p) , pulse current (ma) i reg(ss) ,steady state current (ma) 30 34 36 38 40 42 44 46 48 40 32 34 36 42 40 38 44 46 48 50 52 54 56 58 vak@7.5v t a =25 r adj =open 65 55 45 35 25 15 70 60 50 40 30 20 5 10 0 15 40 65 90 120 145 170 200 v ak ,anode-cathode voltage(v) ireg,current regulation(ma) fig. 5 ? general performance curve 70 60 50 40 30 20 5 10 0 15 40 65 90 120 145 170 200 '@40ma constant current fig. 4 ? current regulation vs time time(s) i reg, current regulation(ma) 42 41 39 46 43 44 45 40 0 10 60 50 30 8 0 90 20 40 70 vak@7.5v t a =25 r adj =open fig. 1 ? steady state current(i reg(ss) ) vs anode- cathode voltage (v ak ) vak,anode-cathode voltage(v) i reg(ss) ,steady state current (ma) 30 20 0 70 40 50 60 10 80 0 1 6 5 3 8 9 2 4 7 10 dc test state , still air,r adj =open t a =-40 t a =25 t a =85 t a =125 -0.179ma/ typ@vak=7.5v -0.113ma/ typ@vak=7.5v -0.106ma/ typ@vak=7.5v
DFN40HY15 applications pin no. function pin no. function 1 constant current output 5 2 no connection 6 3 c urren t adj us t r es i s t or input 7 4 no connection 8 soldering footrrint dc power input start voltage input by bias resistor rev. 4, 16-apr-2014 unit:mm DFN40HY15
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