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  2 . 5 1 a 2 . 9 5 a 2 . 9 4 a 1 . 4 1 a 0 . 6 2 a 0 . 7 1 a 1 . 2 4 a 1 . 4 2 a 0 . 7 a wdd30 - 12d2u wdd30 - 15d2u wdd30 - 05d2u wdd30 - 12d1u wdd30 - 15d1u wdd30 - 05d1u wdd30 - 12d3u wdd30 - 15d3u wdd30 - 05d3u 18~36 vdc 18~36 vdc 18~36 vdc 9~18 vdc 9~18 vdc 9~18 vdc 35~75 vdc 35~75 vdc 35~75 vdc 30 w a tts 30 w a tts 25 w a tts 30 w a tts 30 w a tts 25 w a tts 30 w a tts 30 w a tts 25 w a tts 12 vdc 15 vdc 5 vdc 12 vdc 15 vdc 5 vdc 12 vdc 15 vdc 5 vdc 1250 ma 1000 ma 2500 ma 1250 ma 1000 ma 2500 ma 1250 ma 1000 ma 2500 ma 88% 89% 85% 85% 86% 84% 88% 89% 85% 86% 87% 83% 83% 84% 82% 86% 87% 83% 3 . 4 a 4 . 1 a 4 . 0 a 1 . 9 5 a 0 . 8 8 a 1 . 0 a 1 . 7 a 1 . 9 5 a 1 . 0 a 2 . 4 a 2 . 5 a 3 . 0 a 2 . 9 7 a 1 . 1 9 a 0 . 5 9 a 1 . 2 2 a 0 . 6 a 1 . 4 2 a 0 . 7 1 a 1 . 4 2 a 0 . 7 a 7000 f ? 7000 f 1000 f ? ? 470 f ? 7000 f ? 7000 f ? 7000 f 3500 f 1000 f ? ? ? 7000 f 3500 f 1000 f ? ? ? +3.3 vdc 9~18 vdc wdd30 - 05s2u wdd30 - 12s2u wdd30 - 15s2u wdd30 - 03s2u wdd30 - 03s1u wdd30 - 05s1u wdd30 - 12s1u wdd30 - 15s1u wdd30 - 03s3u wdd30 - 05s3u wdd30 - 12s3u wdd30 - 15s3u 18~36 vdc 18~36 vdc 18~36 vdc 18~36 vdc 9~18 vdc 9~18 vdc 9~18 vdc 35~75 vdc 35~75 vdc 35~75 vdc 35~75 vdc 25 w a tts 30 w a tts 30 w a tts 23 w a tts 23 w a tts 25 w a tts 30 w a tts 30 w a tts 23 w a tts 25 w a tts 30 w a tts 30 w a tts + 5 vdc + 12 vdc + 15 vdc +3.3 vdc +3.3 vdc + 5 vdc + 12 vdc + 15 vdc + 5 vdc + 12 vdc + 15 vdc 5000 ma 2500 ma 2000 ma 7000 ma 7000 ma 5000 ma 2500 ma 2000 ma 7000 ma 5000 ma 2500 ma 2000 ma 86% 88% 89% 82% 81% 85% 84% 85% 83% 84% 88% 89% 80% 84% 86% 87% 79% 83% 82% 83% 81% 82% 86% 87% 3 . 3 a 3 . 3 5 a 4 . 1 a 4 . 1 a 1 . 6 2 a 0 . 8 2 a 1 . 6 6 a 0 . 8 2 a 1 . 9 5 a 1 . 0 a 1 . 9 5 a 1 . 0 a m o d e l n o . i n p u t v o l t a g e o u t p u t w a t t a g e o u t p u t v o l t a g e o u t p u t c u r r e n t e f f . ( m i n . ) e f f . ( t y p . ) c a p a c i t o r l o a d (m a x .) i n p u t c u r r e n t ( m a x . ) ( t y p . ) www .chinfa.com wdd30u series dc - dc converter 23 ~ 30w single & du al output fea tures ' efficiency up to 89% ' 2:1 wide input range ' i/o isola tion ' input pi fil ter ' short circuit protection ' high performance ' 2 years w arranty sales@chinfa.com 2010.05.21 model list d u a l o u t p u t m o d e l s s i n g l e o u t p u t m o d e l s 3500 f ? 470 f ? 470 f ? 3500 f ? 470 f ? 470 f ? 3500 f ? 470 f ? 470 f ? p1 h r u l 6 0 9 5 0 - 1 a e n 6 0 9 5 0 - 1
characteristics conditions min. unit output voltage accuracy vi nom, io nom typ. max. 2 % minimum load line regulation io nom, vi min ...vi max vi nom 0 10 % % % % % % load regulation t ransient recovery time vi nom, io 0 ... io nom, single output models 500 ? s 1 single output models dual output models (each output) vi nom, io min ... io nom, dual output models vi nom, io nom, b w = 20mhz ripple & noise 2 5 5 v oltage trim range 1) vi nom 10 % % mv 3.3v model 3.3v & 5v models 5 100 150 mv 12v , 15v & dual 5v , 12v , 15v & dual cross regulation (dual model) startup time ms vi nom, io nom 30 aymmetrical load 10% - 100% fl vi nom, 1~0.5 io nom efficiency vi nom, io nom, p o / pi up to 89%, see model list and efficiency curve input voltage w/o damage 80 vdc vdc vdc io nom 12v models 24v models 48v models 20 40 startup voltage vdc vdc vdc io nom 12v models 24v models 48v models characteristics conditions typ. max. unit input voltage range no load input current t a m i n . . . t a m a x , i o n o m v i n o m , i o = 0 min. 9 12 18 vdc vdc vdc 25 20 15 ma ma ma 18 35 24 48 36 75 12v models 24v models 48v models input filter pi type sales@chinfa.com wdd30u series single & du al output www .chinfa.com 2010.05.21 o a l l s p e c i f i c a t i o n s t y p i c a l a t n o m i n a l l i n e , f u l l l o a d , 2 5 c u n l e s s o t h e r w i s e n o t i c e d s p e c i f i c a t i o n 0.02 t emperature coefficient vi nom, io min mtbf o b e 1 l c o r e i s s u e 6 @ 4 0 c , g b r elative humidity v i n o m , i o n o m isolation capacitance 1 0 0 k h z / 1 v characteristics conditions typ. max. unit switching frequency isolation voltage isolation resistance ambient temperature case temperature v i n o m , i o n o m i n p u t - o u t p u t i n p u t - o u t p u t , @ 5 0 0 v d c v i n o m , i o n o m o p e r a t i n g a t v i n o m , i o n o m + 61 + 71 storage temperature n o n o p e r a t i o n a l +100 +100 1000 min. 1500 100 -40 -40 -40 250 20 95 hours % rh k h z vdc o c o c o c o c p f o % / c m ? 7480000 3.3v & 5v output models 12v , 15v & dual output models dimension l50.8 x w40.64 x h10.16 mm derating v i n o m see derating curve cooling f ree air convection general 8.5 16 33 input specifica tions output specifica tions n o t e 1 : p l s r e f e r t o f i g 1 & t a b l e 1 f o r c o n n e c t i o n a n d r e s i s t a n c e r e c o m m e n d e d . p2
c o m v i + v i - v o - v o + s w i t c h i n g d e v i c e p w m c o n t r o l l e r o p t o - i s o l a t i o n r e f e r e n c e & e r r o r a m p . r e c t i f i e r r e c t i f i e r t r i m o n / o f f www .chinfa.com wdd30u series single & du al output sales@chinfa.com 2010.05.21 ' b l o c k d i a g r a m f o r w d d 3 0 u s e r i e s w i t h s i n g l e o u t p u t ' b l o c k d i a g r a m f o r w d d 3 0 u s e r i e s w i t h d u a l o u t p u t v o - v o + s w i t c h i n g d e v i c e o p t o - i s o l a t i o n r e f e r e n c e & e r r o r a m p . p w m c o n t r o l l e r v i + v i - r e c t i f i e r o n / o f f t r i m r emote on / off on : opened or 8 ~ 10vdc applied, reference to input gnd off : -0.3 ~ 2vdc applied, reference to input gnd input reversed shunt diode built in, external fuse recommended (12vin : 5a, 24vin : 2a, 48vin : 1.25a) output short circuit current limited (auto -recovery) r ated over load protection 110%min....140%max vibration ul/cul tuv en 60950-1, cb scheme ce en 61204-3, en 55022, class a, en 61000-4-2, en61000-4-3, en61000-4-4, en61000-4-6 appro v als and st and ard ul 60950-1 r ecognized case size case material w eight 50.8 x 40.64 x 10.16 mm (2 x 1.6 x 0.4 inches) plastic base / metal case 60 g p atting material silicone physical chara cteristics pin no . single vi+ vi - 2 4 7 8 6 du al vi+ vi - on / off com general t rim 5 1 v o + no pin v o - on / off v o + v o - t rim pin assignment circuit schema tic o a l l s p e c i f i c a t i o n s t y p i c a l a t n o m i n a l l i n e , f u l l l o a d , 2 5 c u n l e s s o t h e r w i s e n o t i c e d s p e c i f i c a t i o n control and protection recommended circuit ' r e c o m m e n d e d f i l t e r f o r e n 5 5 0 2 2 c l a s s b c o m p l i a n c e ' r e c o m m e n d e d e n 5 5 0 2 2 c l a s s b f i l t e r c i r c u i t l a y o u t . v o + v o - v i n + v i n - + - c 1 l 1 c 2 c 3 w d d 3 0 u appro v als and st and ard meet iec 60068-2-6 (10-500 hz, 2g, along x, y , z each axis, 60 min for each axis) p3 mm [inch] mechanism & pin configura tion 1 0 . 1 6 [ 0 . 4 ] d i a 1 . 0 0 [ 0 . 0 4 ] 6 . 0 0 [ 0 . 2 4 ] b o t t o m v i e w 1 2 1 7 . 7 8 [ 0 . 7 0 ] 5 . 0 8 [ 0 . 2 0 ] 4 5 . 7 2 [ 1 . 8 0 ] 1 0 . 1 6 [ 0 . 4 0 ] 1 0 . 1 6 [ 0 . 4 0 ] 2 . 5 4 [ 0 . 1 0 ] 4 5 6 7 8 1 0 . 1 6 [ 0 . 4 0 ] 5 . 0 8 [ 0 . 2 0 ] 1 0 . 1 6 [ 0 . 4 0 ] 4 0 . 6 4 [ 1 . 6 0 ] general tolerance 0.00[0.00] - 30.00[1.18] 30.00[1.18] - 120.00[4.72] 0.30[0.01] 0.50[0.02] 5 0 . 8 0 [ 2 . 0 0 ]
sales@chinfa.com wdd30u series single & du al output www .chinfa.com 2010.05.21 1 2 v , 1 5 v & d u a l 3 . 3 v & 5 v n a t u r a l c o n v e c t i o n c o o l i n g 0 1 0 0 o a m b i e n t t e m p e r a t u r e [ c ] 7 1 1 0 0 - 4 0 p o w e r o u t [ % ] t e m p e r a t u r e d e r a t i n g c u r v e 6 1 fig. 1 t rim connection ( for single output ) 6 7 8 vo + t r i m vo - r e x t 1 6 7 8 vo + t r i m vo - r e x t 2 i n p u t v o l t a g e ( v ) e f f i c i e n c y [ % ] e f f i c i e n c y v s i n p u t v o l t a g e 8 7 8 6 8 5 8 4 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 1 8 w d d 3 0 - 0 5 s 2 u o u t p u t l o a d ( % ) e f f i c i e n c y [ % ] e f f i c i e n c y v s o u t p u t l o a d 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 1 0 0 1 0 w d d 3 0 - 0 5 s 2 u i o : f u l l l o a d v i : 2 4 v d c 8 3 8 5 8 0 7 5 7 0 6 5 6 0 9 0 ( for dual output ) 5 8 vo + t r i m 7 vo - r e x t 1 6 c o m 5 8 vo + t r i m 7 vo - r e x t 2 6 c o m 8 8 t able 1 t ypical resistor values for various output voltage adjustment settings t ype r e xt 1 r e xt 2 wdd30-03sxu wdd30-05sxu wdd30-12sxu wdd30-15sxu wdd30-05dxu wdd30-12dxu wdd30-15dxu v o nom -2.5% v o nom -5% v o nom +2.5% v o nom +5% 3 3 0 k ? 2 0 k ? 5 . 6 k ? 4 3 k ? 1 2 0 k ? 1 3 0 k ? 1 3 0 k ? t ype v o nom -5% v o nom -10% v o nom +5% v o nom +10% 1 5 0 k ? 0 ? 2 0 k ? 5 6 k ? 5 6 k ? 6 8 k ? 0 ? 1.5k ? 10k ? 24k ? 10k ? 10k ? 15k ? 30k ? 1k ? 1k ? 4.7k ? 3k ? 2k ? 2k ? 5.6k ? dera ting and efficiency curve dera ting and efficiency curve recommended circuit ' t h e c o m m p o n e n t s u s e d i n t h e a b o v e f i g u r e , t o g e t h e r w i t h t h e m a n u f a c t u r e r p a r t n u m b e r s f o r t h e s e c o m p o n e n t s , a r e a s f o l l o w s . c 1 c 3 l 1 c 2 i n f / 2 k v m l c c i n f / 2 k v i n f / 2 k v m l c c m l c c w d d 3 0 - x x x 1 u w d d 3 0 - x x x 2 u w d d 3 0 - x x x 3 u 1 . 5 ? f / 5 0 v m l c c 1 . 5 m h c o m m o n c h o k e 3 . 5 m h 0 . 5 m h c o m m o n c o m m o n c h o k e c h o k e 1 . 5 ? f / 5 0 v m l c c 3 . 3 ? f / 5 0 v m l c c 3 . 3 ? f / 1 0 0 v m l c c 3 . 3 ? f / 5 0 v m l c c 3 . 3 ? f / 1 0 0 v m l c c p4


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