3-1 [external form dimensions] pin no.1,10 are leads bending formed. unit mm notes dimensions which have no tolerance show the typical values. terminal no.2,4,6,8,9 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 materials of leadpins 0.5 fe lead with cu,sn and sn-bi plating panasonic electronic devices co.,ltd. item contents part nam e dc-dc converter part no. EHDRD3356 forming of leads (1pin,10pin) p=2.54 terminal no. side of marking lot no. 3.50.7 1 3 5 7 0.5 10 30.5max. (28.2typ.) 18.9max. (17.9typ.) 10.0max. (7.2typ.) rd3356 made in japan 3p 2p 2p 2p 2.0 1.8
3-2 [absolute maximum ratings] [electric characteristics] ambient temperature 25 degc vin=141vdc iout=50ma vin=113 to 170vdc (note1) vin=113 to 170vdc iout=50ma vin=141vdc iout=0 to 50ma vin=141vdc iout=50ma (note2) vin=141vdc iout=80ma 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. EHDRD3356 power suppl y item symbol rating unit remarks vdc 2 topr -20 to +70 degc 1 vin 170 refer to derating curve. operational temperature avoid dew condensation (note3) symbol degc strage temperature tstg -25 to +85 condition/notes specification max. unit min. typ. 60 76 % 7 efficiency 0.05 0.20 vp-p 6 output ripple voltage vp 0.05 0.20 vdc 5 load regulation vl 0.05 0.15 vdc 3 item no. vr 3 output current iout 4 line regulation 18.50 vdc vout 20.00 21.50 80 ma 113 141 170 vdc vin 2 output voltage input voltage range 1 we recommend low impedance aluminium capacitor for power supply. load EHDRD3356 out gnd + 100 f /35v + 33 f /200v vin 1 3 5 7 10 vout iout in nc nc
3-3 [application] note for safety, please use fuse. [derating curve] vin=113v to 170vdc [circuit diagram] EHDRD3356 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 20 40 60 80 100 -25 0 25 50 75 100 ambient temperature [ ] output current [ ] a c100v 20% (50/60hz) EHDRD3356 in out gnd + 100 f /35v 5 7 10 vou t iout nc + 33 f /200v 1 + - nc 3 fuse 0.1 f /50v c2 load control circuit 1 out in 5 gnd 10 3 7 nc nc improvement circuit of efficiency over-current detector
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