3-1 [external form dimensions] pin no.1,15 are leads bending formed. unit mm notes dimensions which have no tolerance show the typical values. terminal no.2,3,4,5,7,10,12 are removed. bottom edge of substrate must be molded marking silver white and clear external appearance without noticeable flaw and stain material of resin phenol denatured epoxy resin (flame class: ul94v-0) color black part nam e dc-dc converter part no. EHDRD3333 panasonic electronic devices co.,ltd. materials of leadpins 0.5 fe lead with cu,sn and sn-bi plating item contents forming of leads (1pin,15pin) p=2.54 terminal no. side of marking 2.0 1.8 7.0max. (4.7typ.) 0.5 3.50.7 40.0max. (38.6typ.) rd3333 22.0max. (20.0typ.) 14 15 9 8 6 11 1 13 p2p 2p 5p 2p pp 2.0 2.0 lot no.
3-2 [absolute maximum ratings] [electric characteristics] ambient temperature 25 degc vin=282vdc iout=50ma vin=225 to 338vdc (note1) vin=225 to 338vdc iout=50ma vin=282vdc iout=0 to 50ma vin=282vdc iout=50ma (note2) vin=282vdc iout=100ma note1 please refer to the derating curve for maximum output current. note2 the output ripple doesn't include the spike noise. note3 : avoid dew condensation always. [test circuit] panasonic electronic devices co.,ltd. no. part nam e dc-dc converter part no. EHDRD3333 power suppl y item symbol rating unit remarks vdc 2 topr -25 to +80 degc 1 vin 338 refer to derating curve. operational temperature avoid dew condensation (note3) symbol degc strage temperature tstg -25 to +105 condition/notes specification max. unit min. typ. 50 68 % 7 efficiency 0.03 0.30 vp-p 6 output ripple voltage vp 0.01 0.20 vdc 5 load regulation vl 0.02 0.20 vdc 3 item no. vr 3 output current iout 4 line regulation 14.00 vdc vout 15.00 16.00 100 ma 225 282 338 vdc vin 2 output voltage input voltage range 1 we recommend low impedance aluminium capacitor for power supply. 15 13 11 9 6 1 8 14 EHDRD3333 100 f /35v + 33 f /450v + vout iout vin l1-2 nc out gnd l1-1 in nc nc load choke coil (elc12d681e) 680 h 0.98a
3-3 [application] note for safety, please use fuse. [derating curve] vin=225v to 338vdc [circuit diagram] EHDRD3333 part nam e dc-dc converter part no. panasonic electronic devices co.,ltd. we recommend low impedance aluminium capacitor for power supply. derating curve 0 50 100 150 -25 0 25 50 75 100 ambient temperature [ ] output current [ ] over-current detector control circuit 15 out 6 in 9 gnd improvement circuit of efficiency 11 13 l1-1 l1-2 + vout iout fuse + 33 f EHDRD3333 15 13 11 9 6 1 8 14 l1-2 nc out gnd l1-1 in nc nc + - 0.1 f /50v load a c200v 20% (50/60hz) 1 8 14 nc nc nc 100 f /35v choke coil (elc12d681e) 680 h 0.98 a
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