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bel fuse inc. 206 van vorst street, jersey city, nj 07302 ? tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a nonisolated compact, low profile surface mount package wide input high efficiency means less power dissipation excellent thermal performance optimized for cost remote on/off undervoltage lockout (uvlo) over current and short circuit protection remote sense active high/low description the bel s7db-10e modules are a series of non-isolated, step down dc/dc power converters that operate from a nominal 4.5v to 13.2v source. these converters are available in a range of output voltages from 1.0v to 5.0v. the output is closely regulated and the efficiency of the 3.3v output module is typically 88% at full load. the modules are packaged in a compact, low profile, surface mount dip package for ease of layout and space savings. 10a maximum output is also provided. standard features include remote on/off, remote sense, over current and short circuit protection, uvlo and output voltage adjust. these products may be used almost anywhere low voltage silicon is employed and a 4.5v to 13.2v source is available. typical applications include file servers, routers, line cards and other computing and communications equipment. applications page 1 s7db-10e series distributed power architectures data networking equipment telecommunications computers and peripherals part number selection t u p t u o e g a t l o v t u p n i e g a t l o v t u p t u o . x a m t n e r r u c t u p t u o . x a m r e w o p l a c i p y t y c n e i c i f f e r e b m u n t r a p w o l e v i t c a r e b m u n t r a p h g i h e v i t c a v 0 . 5v 2 . 3 1 - v 8a 0 1w 0 5% 1 90 0 5 e 0 1 - b d 7 sh 0 5 e 0 1 - b d 7 s v 3 . 3v 2 . 3 1 - v 5 . 4a 0 1w 3 3% 8 80 3 3 e 0 1 - b d 7 sh 3 3 e 0 1 - b d 7 s v 5 . 2v 2 . 3 1 - v 5 . 4a 0 1w 5 2% 6 80 5 2 e 0 1 - b d 7 sh 5 2 e 0 1 - b d 7 s v 8 . 1v 2 . 3 1 - v 5 . 4a 0 1w 8 1% 2 80 8 1 e 0 1 - b d 7 sh 8 1 e 0 1 - b d 7 s v 5 . 1v 2 . 3 1 - v 5 . 4a 0 1w 5 1% 0 80 5 1 e 0 1 - b d 7 sh 5 1 e 0 1 - b d 7 s v 2 . 1v 2 . 3 1 - v 5 . 4a 0 1w 2 1% 7 70 2 1 e 0 1 - b d 7 sh 2 1 e 0 1 - b d 7 s v 0 . 1v 2 . 3 1 - v 5 . 4a 0 1w 0 1% 5 70 0 1 e 0 1 - b d 7 sh 0 1 e 0 1 - b d 7 s
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 2 input specifications absolute maximum ratings note: use beyond the maximum ratings may cause a reliability degradation of the dc/dc converter or may permanently damage the device. note: input capacitance two 270f/16v, esr = 0.018 ? max at 100khz @ 25 c. 1. with simulated source impedance of 500nh, 5hz to 20mhz. r e t e m a r a p l o b m y s n i m l a c i p y t x a m t i n u e g a t l o v t u p n i s u o u n i t n o cn i v3 . 0 - 6 1v e g a t l o v l a n i m r e t e l b a n e t u p t u on e t u o v5 . 0 - 7v e r u t a r e p m e t t n e i b m ab m a t0 0 7c e r u t a r e p m e t e g a r o t sr o t s t0 4 - 5 0 1c r e t e m a r a p e l u d o m l o b m y s n i m l a c i p y t x a m s t i n u e g a t l o v t u p n i g n i t a r e p o v 3 . 3 - v 0 . 1 v 0 . 5 n i v 5 . 4 8 2 . 3 1 2 . 3 1 v t n e r r u c t u p n i v 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 n i i 9 . 7 1 . 9 4 . 7 6 . 5 8 . 4 4 4 . 3 a t n e r r u c t u p n i d a o l o n v 5 . 4 = n i vn i i 0 6 a m t n e r r u c t u p n i d a o l o n v 0 . 8 = n i vn i i 0 8 a m t n e r r u c t u p n i d a o l o n v 2 . 3 1 = n i vn i i 0 0 1 a m t n e r r u c e l p p i r d e t c e l f e r t u p n i 1 l l a 0 40 8 a m s m r ) p - p ( t n e r r u c e l p p i r d e t c e l f e r t u p n i 1 l l a 0 2 10 0 2k p a m i 2 t n e i s n a r t t n e r r u c h s u r n i tl l a 1 . 02 . 0a 2 s d l o h s e r h t e g a t l o v n o n r u tl l a 45 . 4v d l o h s e r h t e g a t l o v f f o n r u tl l a 5 . 32 . 4v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 3 output specifications note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated. 1. vin = 8v, iout = full load, ta = 25 c. 2. two 270f/16v with esr = 0.018 ? max at input, 0 - 20mhz bw, 1f ceramic cap and 10f aluminum cap at output. r e t e m a r a p e l u d o m l o b m y s n i m l a c i p y t x a m s t i n u t n i o p t e s e g a t l o v t u p t u o 1 v 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 t u o v 0 0 9 . 4 4 3 2 . 3 0 5 4 . 2 4 6 7 . 1 0 7 4 . 1 6 7 1 . 1 0 8 9 . 0 0 . 5 3 . 3 5 . 2 8 . 1 5 . 1 2 . 1 0 . 1 0 0 1 . 5 6 6 3 . 3 0 5 5 . 2 6 3 8 . 1 0 3 5 . 1 4 2 2 . 1 0 2 0 . 1 v n o i t a l u g e r d a o l v 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 0 1 7 6 6 6 5 5 0 2 4 1 2 1 2 1 2 1 0 1 0 1 v m n o i t a l u g e r e n i l v 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 3 3 2 2 2 2 2 6 6 5 5 5 5 5 v m e r u t a r e p m e t r e v o n o i t a l u g e r v 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 0 3 4 2 2 2 0 2 8 1 6 1 4 1 0 6 8 4 4 4 0 4 6 3 2 3 8 2 v m n o i t a l u g e r e g a t l o v t u p t u o l a t o t v 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 3 4 4 3 0 3 8 2 6 2 3 2 1 2 6 8 8 6 1 6 7 5 3 5 7 4 3 4 v m e s i o n d n a e l p p i r t u p t u o 2 l l a 0 50 0 1p - p v m e s i o n d n a e l p p i r t u p t u o 2 l l a 5 10 3s m r v m e g n a r t n e r r u c t u p t u ol l at u o i0 0 1a t i m i l t n e r r u c c d t u p t u ol l am i l t u o i2 1 5 2a e g r u s t i u c r i c t r o h sl l ae g r u s t u o i 1 . 02 . 0a 2 s e m i t n o n r u tl l an o t 0 2s m n o n r u t t a t o o h s r e v ol l a 0% 3v e c n a t i c a p a c t u p t u ol l at u o c0 0 0 0 4f
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 4 output specifications note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated. 3. di/dt = 0.5a/s, ta = 25 c with external 220f tan cap. r e t e m a r a p e l u d o m l o b m y s n i m l a c i p y t x a m s t i n u e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 8 t u p t u o v 5 0 2 10 0 2v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 2 10 0 2v m e m i t g n i l t t e ss t 0 60 0 1s e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 5 . 4 t u p t u o v 3 . 3 0 90 5 1v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 90 5 1v m e m i t g n i l t t e ss t 0 60 0 1s e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 5 . 4 t u p t u o v 5 . 2 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 5 . 4 t u p t u o v 8 . 1 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 5 . 4 t u p t u o v 5 . 1 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 5 . 4 t u p t u o v 2 . 1 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s e s n o p s e r t n e i s n a r t 3 ? d a o l x a m f o % 0 0 1 o t % 0 5 v t u p n i v 2 . 3 1 o t v 5 . 4 t u p t u o v 0 . 1 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 80 5 1v m e m i t g n i l t t e ss t 0 60 0 1s
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 5 control specifications general specifications 1. vin=12v, full load and ta=25 c. 2. see graphs on pages 13 - 16. note: for 3.3v output module, when the input voltage is between 4.5vdc to 5.0vdc, the output voltage trim range is 90%-105%, and the remote sense compensation is 5%. 3. with remote on/off pin 8 open, the module is on. r e t e m a r a p e l u d o m l o b m y s n i m l a c i p y t x a m s t i n u y c n e i c i f f e 1 x a m o i = o i , v 2 1 = n i vv 0 . 5 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 v 0 . 1 8 8 5 8 3 8 9 7 7 7 4 7 2 7 1 9 8 8 6 8 2 8 0 8 7 7 5 7 % y c n e u q e r f g n i h c t i w s l l a w s f 0 5 20 1 30 7 3 z h k e g n a r m i r t e g a t l o v t u p t u o 2 l l a0 9 0 1 1 % n o i t a s n e p m o c e s n e s e t o m e r l l a 0 1 % t h g i e wl l a 5 . 0 1 g r e t e m a r a p e l u d o m l o b m y s n i m l a c i p y t x a m s t i n u f f o / n o e t o m e r 3 l l an e t u o v v ) f f o t i n u ( w o l l a n g i s h x x e 0 1 - b d 7 s 0 9 . 0v ) n o t i n u ( h g i h l a n g i s1 . 2 5v ) n o t i n u ( w o l l a n g i s 0 x x e 0 1 - b d 7 s 0 9 . 0v ) f f o t i n u ( h g i h l a n g i s1 . 2 5v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 6 efficiency data module 5.0v 74% 76% 78% 80% 82% 84% 86% 88% 90% 92% 94% 96% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current efficiency 8.0v 10.8v 13.2v module 3.3v 66% 70% 74% 78% 82% 86% 90% 94% 98% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current efficiency 4.5v 8.0v 13.2v module 2.5v 64% 68% 72% 76% 80% 84% 88% 92% 96% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current efficiency 4.5v 8.0v 13.2v module 1.8v 62% 66% 70% 74% 78% 82% 86% 90% 94% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current efficiency 4.5v 8.0v 13.2v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a efficiency data page 7 module 1.5v 60% 64% 68% 72% 76% 80% 84% 88% 92% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current efficiency 4.5v 8.0v 13.2v module 1.2v 56% 60% 64% 68% 72% 76% 80% 84% 88% 92% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current efficiency 4.5v 8.0v 13.2v module 1.0v 54% 58% 62% 66% 70% 74% 78% 82% 86% 90% 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 output current e fficienc y 4.5v 8.0v 13.2v
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 8 ripple and noise ripple and noise at full load and 8vdc input, 5.0vdc output and ta=25 c ripple and noise at full load and 8vdc input, 3.3vdc output and ta=25 c ripple and noise at full load and 8vdc input, 2.5vdc output and ta=25 c 1f ceramic cap and 10f aluminum electrolytic cap added at the output. ripple and noise at full load and 8vdc input, 1.8vdc output and ta=25 c
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a ripple and noise 1f ceramic cap and 10f aluminum electrolytic cap added at the output. ripple and noise at full load and 8vdc input, 1.5vdc output and ta=25 c ripple and noise at full load and 8vdc input, 1.2vdc output and ta=25 c ripple and noise at full load and 8vdc input, 1.0vdc output and ta=25 c page 9
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 10 transient response transient response: di/dt = 0.5a/s, with external 220f tan capacitor. vout=5.0v 50% to 100% load transients at 8v input and ta=25 c vout=5.0v 100% to 50% load transients at 8v input and ta=25 c vout=3.3v 50% to 100% load transients at 8v input and ta=25 c vout=3.3v 100% to 50% load transients at 8v input and ta=25 c vout=2.5v 50% to 100% load transients at 8v input and ta=25 c vout=2.5v 100% to 50% load transients at 8v input and ta=25 c
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 11 transient response vout=1.5v 50% to 100% load transients at 8v input and ta=25 c vout=1.8v 50% to 100% load transients at 8v input and ta=25 c vout=1.8v 100% to 50% load transients at 8v input and ta=25 c vout=1.5v 100% to 50% load transients at 8v input and ta=25 c transient response: di/dt = 0.5a/s, with external 220f tan capacitor. vout=1.2v 50% to 100% load transients at 8v input and ta=25 c vout=1.2v 100% to 50% load transients at 8v input and ta=25 c
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a thermal considerations transient response vout=1.0v 50% to 100% load transients at 8v input and ta=25 c vout=1.0v 100% to 50% load transients at 8v input and ta=25 c transient response: di/dt = 0.5a/s, with external 220f tan capacitor. page 12
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 13 output voltage set-point adjustment vo tr i m gnd vo tr i m gnd trim down test circuit trim up test circuit output voltage set-point adjustment s7db-10e50x trim resistor calculation 4.5 4.55 4.6 4.65 4.7 4.75 4.8 4.85 4.9 4.95 5 10 309 608 907 1206 1505 1804 2103 2402 2701 3000 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 5 5.05 5.1 5.15 5.2 5.25 5.3 5.35 5.4 5.45 5.5 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 61 . 31 , 91 . 61 ( _ ? ? = kohm vo adj vo up rtrim ) 9 . 16 , 768 . 11 ( _ ? ? =
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a 2.25 2.27 2.3 2.33 2.35 2.38 2.4 2.42 2.45 2.48 2.5 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 2.5 2.52 2.55 2.58 2.6 2.63 2.65 2.67 2.7 2.73 2.75 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 43 . 14 , 568 . 7 ( _ ? ? = kohm vo adj vo up rtrim ) 10 , 544 . 3 ( _ ? ? = 2.97 3 3.04 3.07 3.1 3.13 3.17 3.2 3.23 3.27 3.3 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 3.3 3.33 3.37 3.4 3.43 3.46 3.5 3.53 3.56 3.6 3.63 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 82 . 6 , 964 . 7 ( _ ? ? = kohm vo adj vo up rtrim ) 65 . 3 , 536 . 2 ( _ ? ? = page 14 s7db-10e33x trim resistor calculation s7db-10e25x trim resistor calculation output voltage set-point adjustment
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a 1.35 1.37 1.38 1.4 1.41 1.43 1.44 1.46 1.47 1.49 1.5 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 1.5 1.51 1.53 1.54 1.56 1.58 1.59 1.61 1.62 1.64 1.65 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 71 . 11 , 716 . 2 ( _ ? ? = kohm vo adj vo up rtrim ) 87 . 7 , 072 . 3 ( _ ? ? = 1.62 1.64 1.66 1.67 1.69 1.71 1.73 1.75 1.76 1.78 1.8 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 1.8 1.82 1.84 1.85 1.87 1.89 1.91 1.93 1.94 1.96 1.98 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 84 . 13 , 869 . 3 ( _ ? ? = kohm vo adj vo up rtrim ) 10 , 072 . 3 ( _ ? ? = page 15 s7db-10e18x trim resistor calculation s7db-10e15x trim resistor calculation output voltage set-point adjustment
bel fuse inc. 206 van vorst street, jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a 0.9 0.91 0.92 0.93 0.94 0.95 0.96 0.97 0.98 0.99 1 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 1 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.1 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 17 . 4 , 658 . 0 ( _ ? ? = kohm vo adj vo up rtrim ) 1 , 536 . 2 ( _ ? ? = 1.08 1.09 1.1 1.12 1.13 1.14 1.15 1.16 1.18 1.19 1.2 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 1.2 1.21 1.22 1.24 1.25 1.26 1.27 1.28 1.3 1.31 1.32 0.01 30.01 60.01 90.01 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) kohm adj vo vo down r trim ) 48 . 8 , 562 . 1 ( _ ? ? = kohm vo adj vo up rtrim ) 64 . 4 , 072 . 3 ( _ ? ? = s7db-10e12x trim resistor calculation s7db-10e10x trim resistor calculation output voltage set-point adjustment page 16
corporate bel fuse inc. 206 van vorst street jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com far east bel fuse ltd. 8f / 8 luk hop street san po kong kowloon, hong kong tel 852-2328-5515 fax 852-2352-3706 www.belfuse.com europe bel fuse europe ltd. preston technology management centre marsh lane, suite g7, preston lancashire, pr1 8ud, u.k. tel 44-1772-556601 fax 44-1772-888366 www.belfuse.com ?2003 bel fuse inc. specifications subject to change without notice. 11.03 power products non-isolated dc/dc converters bp03s7db-10e 4.5v ? 13.2v input / 1.0v ? 5.0v output / 10a page 17 mechanical dimensions are in inches [millimeters]. standard dimension tolerance is 0.005 [0.13] unless otherwise noted. 1.22 [30.99] 0.394 [10.01] 0.67 [17.00] 0.985 [25.02] 0.102 ?.002 [2.59 ?.05] 6x 0.197 [5.00] 5x 0.345 ?.010 [8.76 ?.25] 0.010 [0.25] 0.827 ?.010 [21.01 ?.25] 0.050 [1.27] 2x 0.078 [1.99] 2x 0.004 [0.10] 0?- 5? n i p n o i t c n u f 1d n u o r g 2d n u o r g 3d n u o r g 4d n u o r g 5n i v + 6n i v + 7m i r t 8f f o / n o e t o m e r 9) + ( e s n e s e t o m e r 0 1o v + 1 1o v + 2 1o v + 12 3 4 56 12 11 10 9 87

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