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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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a nonisolated compact, low profile surface mount package fixed frequency high efficiency means less power dissipation excellent thermal performance optimized for cost remote on/off undervoltage lockout (uvlo) over current and short circuit protection description the bel S7AH-05B and v7ah-05b modules are a series of non-isolated, step down dc/dc power converters that operate from a nominal 5v source. these converters are available in a range of output voltages from 1.2v to 3.3v. they are packaged in a compact, overmolded package rated at 5a. optional lead forming provides a vertical mount product for minimal footprint or a surface mount option for a very low profile. standard features include remote on/off, over current and short circuit protection, and output voltage adjust. these products may be used almost anywhere low voltage silicon is employed and a 5v source is available. typical applications include file servers, routers, line cards and other computing and communications equipment. applications page 1 S7AH-05B / v7ah-05b 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 t n u o m e c a f r u s r e b m u n t r a p t n u o m l a c i t r e v v 3 . 3v 5a 5w 5 . 6 1% 2 90 3 3 b 5 0 - h a 7 s0 3 3 b 5 0 - h a 7 v v 5 . 2v 5a 5w 5 . 2 1% 0 90 5 2 b 5 0 - h a 7 s0 5 2 b 5 0 - h a 7 v v 8 . 1v 5a 5w 0 . 9% 6 80 8 1 b 5 0 - h a 7 s0 8 1 b 5 0 - h a 7 v v 5 . 1v 5a 5w 5 . 7% 4 80 5 1 b 5 0 - h a 7 s0 5 1 b 5 0 - h a 7 v v 2 . 1v 5a 5w 6% 2 80 2 1 b 5 0 - h a 7 s0 2 1 b 5 0 - h a 7 v
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a 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 one 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 - 6v 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 v3 . 0 - 6v 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 - 0 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 ol l an i v5 . 4 5 . 5v t n e r r u c t u p n i v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 n i i 6 . 4 6 . 3 7 . 2 3 . 2 9 . 1 a t n e r r u c t u p n i d a o l o n l l a 0 3 a m t n e r r u c t u p n i f f o e t o m e r 48 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 30 6 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 0 10 5 1k 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 2 0 . 05 0 . 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 a9 1 . 43 . 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 9 . 39 4 . 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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 3 output specifications note: all specifications are typical at nominal input, full load at 25 c unless otherwise stated. 1. vin = 5v, iout = full load, ta = 25 c. 2. 0 - 20mhz, 1f ceramic cap and 10f aluminum cap on 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 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 t u o v 4 3 2 . 3 5 4 . 2 4 6 7 . 1 7 4 . 1 6 7 1 . 1 3 . 3 5 . 2 8 . 1 5 . 1 2 . 1 6 6 3 . 3 5 5 . 2 6 3 8 . 1 3 5 . 1 4 2 2 . 1 v n o i t a l u g e r d a o l v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 0 . 6 0 . 6 0 . 6 0 . 6 0 . 6 5 1 5 1 5 1 5 1 5 1 v m n o i t a l u g e r e n i l v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 0 . 3 0 . 3 0 . 3 0 . 3 0 . 3 0 1 0 1 8 8 8 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 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 0 2 0 2 0 1 0 1 8 3 3 5 2 8 1 5 1 2 1 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 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 8 5 0 5 1 4 8 3 5 3 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 15 2s 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 5a 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 i5 . 6 5 . 2 1a e g r u s t i u c r i c t r o h s v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 e g r u s t u o i 8 0 . 0 5 0 . 0 5 0 . 0 5 0 . 0 5 0 . 0 2 . 0 1 . 0 1 . 0 1 . 0 1 . 0 a 2 s e m i t n o n r u tl l an o t 2 10 2s m n o n r u t t a t o o h s r e v ol l a 03% 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 2f
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a 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/1s, ta = 25 c without external load capacitance. 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 v 3 . 3 0 2 15 6 1v m e m i t g n i l t t e ss t 5 20 5s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 2 15 6 1v m e m i t g n i l t t e ss t 5 20 5s 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 v 5 . 2 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s 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 v 8 . 1 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s 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 v 5 . 1 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s 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 v 2 . 1 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s ? d a o l x a m f o % 0 5 o t % 0 0 1 v 0 0 10 5 1v m e m i t g n i l t t e ss t 5 20 5s
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 5 control specifications general specifications 1. vin=5v, full load and ta=25 c. 2. see graphs on pages 10-12. 3. with remote on/off pin 1 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 v 3 . 3 v 5 . 2 v 8 . 1 v 5 . 1 v 2 . 1 9 8 7 8 3 8 1 8 9 7 2 9 0 9 6 8 4 8 2 8 % 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 6 20 0 30 4 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 % t h g i e wl l a 7 . 4 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 ) n o t i n u ( w o l l a n g i sl l a0 1v ) f f o t i n u ( h g i h l a n g i sl l a8 . 2 5 . 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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 6 efficiency data module 3.3v 92% 93% 94% 95% 96% 97% 123456 output current efficiency 4.5v 5.0v 5.5v module 2.5v 90% 91% 92% 93% 94% 95% 123456 output current efficiency 4.5v 5.0v 5.5v module 1.8v 86% 87% 88% 89% 90% 91% 92% 93% 123456 output current efficiency 4.5v 5.0v 5.5v module 1.5v 85% 86% 87% 88% 89% 90% 91% 92% 123456 output current efficiency 4.5v 5.0v 5.5v module 1.2v 81% 82% 83% 84% 85% 86% 87% 88% 123456 output current efficiency 4.5v 5.0v 5.5v
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 7 ripple and noise ripple and noise at full load and 5vdc input, 3.3vdc output and ta=25 c ripple and noise at full load and 5vdc input, 2.5vdc output and ta=25 c ripple and noise at full load and 5vdc input, 1.8vdc output and ta=25 c 1f ceramic cap and 10f aluminum electrolytic cap added at the output. ripple and noise at full load and 5vdc input, 1.5vdc output and ta=25 c ripple and noise at full load and 5vdc input, 1.2vdc 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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 8 transient response transient response: di/dt = 0.5a/s, no external load capacitance vout=3.3v 50% to 100% load transients at 5v input and ta=25 c vout=3.3v 100% to 50% load transients at 5v input and ta=25 c vout=2.5v 50% to 100% load transients at 5v input and ta=25 c vout=2.5v 100% to 50% load transients at 5v input and ta=25 c vout=1.8v 50% to 100% load transients at 5v input and ta=25 c vout=1.8v 100% to 50% load transients at 5v 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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 9 transient response transient response: di/dt = 0.5a/s, no external load capacitance vout=1.2v 50% to 100% load transients at 5v input and ta=25 c vout=1.5v 50% to 100% load transients at 5v input and ta=25 c vout=1.5v 100% to 50% load transients at 5v input and ta=25 c vout=1.2v 100% to 50% load transients at 5v 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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 10 thermal considerations v7ah-05b S7AH-05B
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 11 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 x7ah-05b330 trim resistor calculation rtrim down = 7.914 vo ? vo, adj ? 8.27 ) kohm ( rtrim up = 2.528 vo, adj ? vo ? 5.11 ) kohm ( 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 adjuste d output volt age vo,a dj (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 a djus te d ou tput volta ge v o,a dj(v ) t rim re sistor va lue ,rtrim_ up(kohm)
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 12 x7ah-05b250 trim resistor calculation rtrim down = 3.664 vo ? vo, adj ? 6.79 ) kohm ( rtrim up = 1.72 vo, adj ? vo ? 4.64 ) kohm ( x7ah-05b180 trim resistor calculation rtrim down = 1.509 vo ? vo, adj ? 5.52 ) kohm ( rtrim up = 1.2 vo, adj ? vo ? 4.02 ) kohm ( output voltage set-point adjustment 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) 1.62 1.64 1.66 1.67 1.69 1.71 1.73 1.75 1.76 1.78 1.8 1 30.9 60.8 90.7 120.6 150.5 180.4 210.3 240.2 270.1 300 adjus ted output voltage vo,adj (v) trim resistor value rtrim_down(kohm) 1.8 1.82 1.83 1.85 1.86 1.88 1.9 1.91 1.93 1.94 1.96 1 30.9 60.8 90.7 120.6 150.5 180.4 210.3 240.2 270.1 300 adjus ted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm)
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a page 13 x7ah-05b150 trim resistor calculation rtrim down = 2.702 vo ? vo, adj ? 11.7 ) kohm ( rtrim up = 3.064 vo, adj ? vo ? 7.87 ) kohm ( x7ah-05b120 trim resistor calculation rtrim down = 1.545 vo ? vo, adj ? 8.47 ) kohm ( rtrim up = 3.064 vo, adj ? vo ? 4.64 ) kohm ( output voltage set-point adjustment 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 . 0 1 60 . 0 1 90 . 0 1 120.01 150.01 180 210 240 270 a djusted 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 . 0 1 60 . 0 1 90 . 0 1 120.01 150.01 180 210 240 270 adjusted output voltage vo,adj(v) trim resistor value,rtrim_up(kohm) 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)
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a mechanical page 14 S7AH-05B 0.400 [10.16] 0.60 [15.24] 0.70 [17.78] 0.050 [1.27] 0.100 [2.54] 4x 0.400 [10.16] 0.012 [0.30] 0.050 [1.27] 0.020 [0.51] 0.320 [8.13] 0.780 [19.81] 0.055 [1.40] 2x 0.090 [2.29] 2x 0.004 [0.10] 0?-5? r0.015 [r0.38] typ r0.008 [r0.20] typ 0.100 [2.54] 0.855 [21.72] 0.065 [1.65] 0.110 [2.79] suggested pcb pad layout dimensions are in inches [millimeters]. standard dimension tolerance is ?.005 [0.13] unless otherwise noted. n i p n o i t c n u f 1f f o / n o e t o m e r 2n i v + 3d n u o r g 4o v + 5m i r t 6n o i t c e n n o c o n 7n o i t c e n n o c o n 1 2 3 4 5 6 7
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. 10.03 power products non-isolated dc/dc converters bp02x7ah-05b 5v input / 1.2v ? 3.3v output / 5a mechanical page 15 v7ah-05b 0.700 [17.78] 0.600 [15.24] 0.050 [1.27] 0.265 [6.73] min 0.020 [0.51] 0.308 [7.82] 0.050 [1.27] 0.100 [2.54] 0.400 [10.16] dimensions are in inches [millimeters]. standard dimension tolerance is ?.005 [0.13] unless otherwise noted. 2 4 3 5 1 n i p n o i t c n u f 1f f o / n o e t o m e r 2n i v + 3d n u o r g 4o v + 5m i r t

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