3-1 [external form dimensions] pin no.1,12 are leads bending formed. unit mm notes dimensions which have no tolerance show the typical values. terminal no.2,4,6,8,9,11 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. EHDRD3332A 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,12pin) p=2.54 terminal no. side of marking ? 3.50.7 rd3332a 2p 2p 2p 2p 3p 40.0max. (38.6typ.) 22.0max. (20.0typ.) 5.5 5.5 7.0max. (4.7typ.) 0.5 10 12 7 5 3 1 lot no. 2.0 1.8 made in japan
3-2 [absolute maximum ratings] [electric characteristics] ambient temperature 25 degc vin=141vdc iout=150ma vin=113 to 170vdc (note1) vin=105 to 170vdc iout=150ma vin=141vdc iout=0 to 150ma vin=141vdc iout=150ma (note2) vin=141vdc iout=300ma 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. EHDRD3332A power suppl y item symbol rating unit remarks vdc 2 topr -25 to +85 degc 1 vin 170 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. 60 80 % 7 efficiency 0.05 0.20 vp-p 6 output ripple voltage vp 0.05 0.20 vdc 5 load regulation vl 0.05 0.20 vdc 3 item no. vr 3 output current iout 4 line regulation 14.00 vdc vout 15.00 16.00 300 ma 105 141 170 vdc vin 2 output voltage input voltage range 1 we recommend low impedance aluminium capacitor for power supply. load choke coil (elc12d561e) 560 h 1.15a EHDRD3332A l1-1 out gnd + 220 f /35v + vin 1 3 5 7 12 vout iout l1-2 in 33 f /200v nc 10
3-3 [application] note for safety, please use fuse. [derating curve] vin=105v to 170vdc [circuit diagram] EHDRD3332A part nam e dc-dc converter part no. panasonic electronic devices co.,ltd. load we recommend low impedance aluminium capacitor for power supply. derating curve 0 100 200 300 -25 0 25 50 75 100 ambient temperature [ ] output current [ ] over-current detector control circuit 1 out 12 in 7 gnd improvement circuit of efficiency 5 3 l1-1 l1-2 EHDRD3332A l1-1 in out gnd + 1 3 5 7 12 vou t iout l1-2 + 33 f /200v 220 f /35v a c100v 20% fuse 0.1 f /50v c2 (50/60hz) nc 10 10 nc choke coil (elc12d561e) 560 h 1.15 a
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