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  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 . ) wdd20 - 03s1u www .chinfa.com wdd20u series dc - dc converter 20w single & du al output fea tures + 5 vdc + 12 vdc + 15 vdc 12 vdc 15 vdc ' 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 wdd20 - 05s2u wdd20 - 12s2u wdd20 - 15s2u 18~36 vdc 18~36 vdc 18~36 vdc 20 w a tts 20 w a tts 20 w a tts 4000 ma 1670 ma 1330 ma +3.3 vdc wdd20 - 03s2u 18~36 vdc 20 w a tts 6000 ma wdd20 - 12d2u wdd20 - 15d2u 18~36 vdc 18~36 vdc 20 w a tts 20 w a tts 830 ma 670 ma sales@chinfa.com +3.3 vdc 9~18 vdc 20 w a tts 6000 ma wdd20 - 05s1u 9~18 vdc 20 w a tts 4000 ma wdd20 - 12s1u 9~18 vdc 20 w a tts 1670 ma wdd20 - 15s1u 9~18 vdc 20 w a tts 1330 ma +3.3 vdc wdd20 - 03s3u 35~75 vdc 20 w a tts 6000 ma wdd20 - 05s3u 35~75 vdc 20 w a tts 4000 ma wdd20 - 12s3u 35~75 vdc 20 w a tts 1670 ma wdd20 - 15s3u 35~75 vdc 20 w a tts 1330 ma + 5 vdc + 12 vdc + 15 vdc + 5 vdc + 12 vdc + 15 vdc 5 vdc wdd20 - 05d2u 18~36 vdc 20 w a tts 2000 ma 12 vdc 15 vdc wdd20 - 12d1u wdd20 - 15d1u 9~18 vdc 9~18 vdc 20 w a tts 20 w a tts 830 ma 670 ma 5 vdc wdd20 - 05d1u 9~18 vdc 20 w a tts 2000 ma 12 vdc 15 vdc wdd20 - 12d3u wdd20 - 15d3u 35~75 vdc 35~75 vdc 20 w a tts 20 w a tts 830 ma 670 ma 5 vdc wdd20 - 05d3u 35~75 vdc 20 w a tts 2000 ma 2010.05.21 86% 88% 89% 82% 88% 89% 81% 85% 84% 85% 83% 84% 88% 89% 85% 85% 86% 84% 88% 89% 85% 80% 84% 86% 87% 86% 87% 79% 83% 82% 83% 81% 82% 86% 87% 83% 83% 84% 82% 86% 87% 83% model list 2 . 0 a 1 . 9 3 a 1 . 9 3 a 0 . 9 6 a 0 . 4 9 a 0 . 4 8 a 0 . 9 8 a 0 . 9 5 a 0 . 4 8 a 2 . 7 5 a 2 . 7 2 a 2 . 7 2 a 1 . 3 2 a 0 . 7 a 0 . 7 a 1 . 4 a 1 . 3 2 a 0 . 7 a 2 . 0 4 a 1 . 9 8 a 1 . 9 7 a 1 . 9 6 a 1 . 0 a 0 . 5 a 0 . 9 7 a 0 . 4 9 a 0 . 9 6 a 0 . 4 8 a 0 . 9 5 a 0 . 4 7 a 2 . 8 3 a 2 . 7 2 a 2 . 7 5 a 2 . 7 2 a 1 . 4 a 0 . 7 1 a 1 . 3 2 a 0 . 7 1 a 1 . 3 2 a 0 . 7 a 0 . 7 a 7000 f ? 7000 f ? 1000 f ? 470 f ? 7000 f ? 7000 f ? 7000 f ? 7000 f ? 1000 f ? 470 f ? 1000 f ? 470 f ? 1000 f ? 470 f ? 470 f ? 1000 f ? 470 f ? 470 f ? 1000 f ? 470 f ? 470 f ? 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 p1 h r u l 6 0 9 5 0 - 1 a e n 6 0 9 5 0 - 1 1 . 4 a
sales@chinfa.com wdd20u series single & du al output www .chinfa.com 2010.05.21 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 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 ? 958000 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
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 : 3a, 24vin : 1.5a, 48vin : 1a) output short circuit current limited (auto -recovery) r ated over load protection 110%min....140%max www .chinfa.com wdd20u series single & du al output sales@chinfa.com 2010.05.21 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 mm [inch] mechanism & pin configura tion 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 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 . ' b l o c k d i a g r a m f o r w d d 2 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 2 0 u s e r i e s w i t h d u a l o u t p u t 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 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 v o + v o - v i n + v i n - + - c 1 l 1 c 2 c 3 w d d 2 0 u control and protection 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 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 wdd20u series www .chinfa.com 2010.05.21 single & du al output 1 2 v , 1 5 v & d u a l 3 . 3 v & 5 v dera ting and efficiency curve dera ting and efficiency curve 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 8 8 7 8 6 8 5 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 1 8 w d d 2 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 2 0 - 0 5 s 2 u i o : f u l l l o a d v i : 2 4 v d c 8 4 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 9 t able 1 t ypical resistor values for various output voltage adjustment settings t ype r e xt 1 r e xt 2 wdd20-03sxu wdd20-05sxu wdd20-12sxu wdd20-15sxu wdd20-05dxu wdd20-12dxu wdd20-15dxu v o nom -2.5% v o nom -5% v o nom +2.5% v o nom +5% 8 2 0 ? 3 . 9 k ? 1 3 0 k ? 1 3 0 k ? 3 3 k ? 1 2 0 k ? 1 8 0 k ? t ype v o nom -5% v o nom -10% v o nom +5% v o nom +10% 0 ? 1 8 k ? 2 0 k ? 1 2 k ? 5 6 k ? 7 5 k ? 0 ? 4.7k ? 10k ? 20k ? 10k ? 12k ? 10k ? 7.5k ? 0 ? 1k ? 3.9k ? 3k ? 2k ? 1.2k ? 3k ? 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 2 0 - x x x 1 u w d d 2 0 - x x x 2 u w d d 2 0 - x x x 3 u 1 . 5 m h c o m m o n c h o k e 0 . 5 m h c o m m o n c h o k e 1 ? f / 5 0 v m l c c 1 ? f / 5 0 v m l c c 1 . 5 m h c o m m o n c h o k e 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
www .chinfa.com wdd20u series dc - dc converter 20w single & du al output fea tures ' efficiency up to 84% ' 4:1 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 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 . ) + 5 vdc + 12 vdc + 15 vdc 12 vdc 15 vdc 20 w a tts 20 w a tts 20 w a tts 4000 ma 1670 ma 1330 ma +3.3 vdc 18~75 vdc 18~75 vdc 18~75 vdc 18~75 vdc 20 w a tts 6000 ma 20 w a tts 20 w a tts 830 ma 670 ma +3.3 vdc 9~36 vdc 9~36 vdc 9~36 vdc 9~36 vdc 20 w a tts 6000 ma 20 w a tts 4000 ma 20 w a tts 1670 ma 20 w a tts 1330 ma + 5 vdc + 12 vdc + 15 vdc 5 vdc 18~75 vdc 18~75 vdc 18~75 vdc 20 w a tts 2000 ma 12 vdc 15 vdc 20 w a tts 20 w a tts 830 ma 670 ma 5 vdc 9~36 vdc 9~36 vdc 9~36 vdc 20 w a tts 2000 ma 81% 84% 84% 79% 84% 84% 79% 80% 82% 83% 82% 83% 84% 80% 77% 79% 82% 82% 82% 82% 77% 78% 80% 81% 80% 81% 82% 78% model list 1 . 0 6 a 1 . 0 2 a 1 . 0 a 0 . 4 9 a 0 . 5 2 a 0 . 5 a 2 . 8 8 a 2 . 8 a 2 . 8 a 1 . 4 a 1 . 4 a 1 . 4 a 1 . 0 6 a 1 . 0 6 a 1 . 0 3 a 1 . 0 2 a 0 . 5 3 a 0 . 5 1 a 0 . 5 a 0 . 5 a 2 . 8 8 a 2 . 8 8 a 2 . 8 a 2 . 8 a 1 . 4 5 a 1 . 4 5 a 1 . 4 a 1 . 4 a 7000 f ? 3500 f ? 470 f ? 220 f ? 7000 f ? 3500 f ? 1000 f ? 470 f ? 470 f ? 1000 f ? 470 f ? 470 f ? 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 wdd20 - 03s4u wdd20 - 05s4u wdd20 - 12s4u wdd20 - 15s4u wdd20 - 03s5u wdd20 - 05s5u wdd20 - 12s5u wdd20 - 15s5u wdd20 - 05d4u wdd20 - 12d4u wdd20 - 15d4u wdd20 - 05d5u wdd20 - 12d5u wdd20 - 15d5u 3500 f ? 1000 f ? p5 h r u l 6 0 9 5 0 - 1 a e n 6 0 9 5 0 - 1
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 (24vin : 3a, 48vin : 1.5a) output short circuit current limited (auto -recovery) r ated over load protection 110%min....140%max sales@chinfa.com wdd20u series single & du al output www .chinfa.com 2010.05.21 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 84%, see model list and efficiency curve input voltage w/o damage 80 vdc vdc io nom 24v models 48v models 40 startup voltage vdc vdc io nom 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 36 vdc vdc 20 15 ma ma 18 24 48 75 24v models 48v models input filter pi type 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 ? 960000 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 8.5 16 control and protection output specifica tions input specifica tions general 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 . p6
www .chinfa.com wdd20u series single & du al output sales@chinfa.com 2010.05.21 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) 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 ' b l o c k d i a g r a m f o r w d d 2 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 2 0 u s e r i e s w i t h d u a l o u t p u t 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 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 appro v als and st and ard 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 2 0 u meet iec 60068-2-6 (10-500 hz, 2g, along x, y , z each axis, 60 min for each axis) p7 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 ] plastic base / metal case
sales@chinfa.com wdd20u 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 5 8 0 7 5 7 0 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 1 8 w d d 2 0 - 0 5 s 4 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 2 0 - 0 5 s 4 u i o : f u l l l o a d v i : 2 4 v d c 6 5 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 9 0 t able 1 t ypical resistor values for various output voltage adjustment settings t ype r e xt 1 r e xt 2 wdd20-03sxu wdd20-05sxu wdd20-12sxu wdd20-15sxu wdd20-05dxu wdd20-12dxu wdd20-15dxu v o nom -2.5% v o nom -5% v o nom +2.5% v o nom +5% 8 2 0 ? 3 . 9 k ? 1 3 0 k ? 1 3 0 k ? 3 3 k ? 1 2 0 k ? 1 8 0 k ? t ype v o nom -5% v o nom -10% v o nom +5% v o nom +10% 0 ? 1 8 k ? 2 0 k ? 1 2 k ? 5 6 k ? 7 5 k ? 0 ? 4.7k ? 10k ? 20k ? 10k ? 12k ? 10k ? 7.5k ? 0 ? 1k ? 3.9k ? 3k ? 2k ? 1.2k ? 3k ? dera ting and efficiency curve recommended circuit dera ting and efficiency curve ' 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 m l c c w d d 2 0 - x x x 4 u w d d 2 0 - x x x 5 u 1 . 5 m h c o m m o n c h o k e 0 . 5 m h c o m m o n c h o k e 1 ? f / 5 0 v m l c c 3 . 3 ? f / 1 0 0 v m l c c 1 ? f / 5 0 v m l c c 3 . 3 ? f / 1 0 0 v m l c c p8


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