dc/dc converters ctparts.com manufacturer of passive and discrete semiconductor components 800-684-5322 inside us 949-453-1811 outside us copyright ? 2006 by ct magnetics, dba central technologies. all rights reserved. ct magnetics reserves the right to make improvements or change specifications without notice central technologies specifications vin vin iout iout effi. part nom. input range max.* vout max. min.** typ. number (vdc) (vdc) (vdc) (vdc) (ma) (ma) (%) ctdd2727df-1205-s1k-5 12 9-18 20 5 1000 100 74 ctdd2727df-1209-s1k-5 12 9-18 20 9 556 56 75 ctdd2727df-1212-s1k-5 12 9-18 20 12 420 42 77 ctdd2727df-1215-s1k-5 12 9-18 20 15 333 34 80 ctdd2727df-1224-s1k-5 12 9-18 20 24 208 21 ctdd2727df-2405-s1k-5 24 18-36 40 5 1000 100 77 ctdd2727df-2409-s1k-5 24 18-36 40 9 556 56 80 ctdd2727df-2412-s1k-5 24 18-36 40 12 420 42 81 ctdd2727df-2415-s1k-5 24 18-36 40 15 333 34 84 ctdd2727df-2424-s1k-5 24 18-36 40 24 208 21 ctdd2727df-4805-s1k-5 48 36-72 80 5 1000 100 79 CTDD2727DF-4809-S1K-5 48 36-72 80 9 556 56 82 ctdd2727df-4812-s1k-5 48 36-72 80 12 420 42 85 ctdd2727df-4815-s1k-5 48 36-72 80 15 333 34 85 ctdd2727df-4824-s1k-5 48 36-72 80 24 208 21 *if input voltage above specified may cause permanent damage to the device **the load should not be less than 10%, otherwise ripple will increase dramatically isolation specifications item test condition min typ max units isolation voltage flash tested for 1 minute 1000 vdc isolation resistance test at 500vdc 1000 m output specifications item test condition min typ max units 5w output power 0.5 5 w positive voltage accuracy refer to recommended circuit 1 3 % load regulation from 10% to 100% load 0.5 1 % line regulation input voltage from low to high 0.2 0.5 % temperature drift (vout) refer to temp. derating graph 0.03 %/c ripple 20hz to 300khz bandwidth 30 50 mvp-p noise dc-20mhz bandwidth 80 150 mvp-p switching frequency 100% load, nominal input voltage 300 khz ctdd2727df-s1k-5 series wide input isolated & regulated 5w output, single output not shown at actual size. features efficiency : to 85% temperature range: -40c to +85c isolation: 1kvdc miscellaneous: wide (2:1) input range. metal shielding package. short circuit protection. no heat sink required. industry standard pinout. single output. custom service available. samples available. characteristics output short circuit protection: continuous temperature rise at full load: 30c (typ.) cooling: free air convection no load, power consumption: 300mw (typical) operating temperature range: -40c to +85c storage temperature range: -55c to +125c lead temperature: 300c (1.5mm from case for 10 seconds) storage humidity range: < 95% case material: metal mtbf: >3,500,000 hours miscellaneous: rohs compliant. note: 1. all specifications measured at ta=25c, humidity<75%, nominal input voltage and rated output unless otherwise specified. 12.13.06 typical characteristics 120 80 60 40 20 0 -40 0 40 71 85 120 ambient temperature ( c) output power (% ) 100 safe operating area rohs compliant temperature derating graph
dc/dc converters ctparts.com manufacturer of passive and discrete semiconductor components 800-684-5322 inside us 949-453-1811 outside us copyright ? 2006 by ct magnetics, dba central technologies. all rights reserved. ct magnetics reserves the right to make improvements or change specifications without notice central technologies outline dimensions & recommended footprint details 27.50 20.32 9.00 4.00 27.50 1 2 1.60?+0.15/-0 2.54 2.54 note: all pin s on a 2.54m pitch; a ll pin di a meter s a re 0.50mm; a ll dimen s ion s in mm. s ide view to p v i ew ctdd2727df- s 1k-5 p a ck a ge ctdd2727df- s 1k-5 footprint 1 2 4 3 4 3 5.0 8 pin connections pin f u nction 1 2 3 4 com vin +vo ov 4 3 1 2 top view 12.13.06 ctdd2727df-s1k-5 series wide input isolated & regulated 5w output, single output input voltage range lp input current (a) input voltage (v) figure 2 vin c in c o u t (-40+ 8 5c) 12v & 24v & 4 8 v 100f 100f/1a (electrolytic c a p a citor) extern a l c a p a citor t ab le (t ab le 1) all the ctdd2727df- s 1k-5 s erie s h a ve b een te s ted a ccording to the following recommended te s ting circ u it b efore le a ving f a ctory. thi s s erie s s ho u ld b e te s ted u nder lo a d. never b e te s ted u nder no lo a d ( s ee fig u re 1 & 2). if yo u w a nt to f u rther decre as e the inp u t/o u tp u t ripple, yo u c a n incre as e c a p a cit a nce properly or choo s e c a p a citor s with low e s r. however, the c a p a cit a nce s ho u ld not b e too high ( s ee t ab le 1). if yo u w a nt to us e the prod u ct s in high emi, ple as e choo s e o u r met a l p a ck a gedprod u ct s . ++ dc dc vin gnd cin vo u t 0v co u t fig u re 1 recommended circuit
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