15 watt xc single series dc/dc converters manufacturing company, inc. concord, california 94520 ph: 925/687-4411 or 800/542-3355 fax: 925/687-3333 www.calex.com email: sales@ca lex.com 1
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15 watt xc single series block diagram description these single output converters are designed for wide input range, low noise, telecommunications, medical, industrial and instrument applications. the extra wide input range (3:1) is ideal for battery or unregulated input applications. these converters are state-of-the-art 70khz mosfet based designs that provide outstanding line and load regulation. the single outputs are regulated with a high loop gain current mode control method that provides linear regulator type performance with a true, high efficiency switching dc/dc topology. the large amount of loop gain insures excellent input ripple rejection and line transient response. a logic shutdown pin to control converter operation is included. the xc single series is protected from output shorts to common by a high speed, pulse by pulse digital, current limit circuit. t u p t u o1 c2 c1 d 5f 0 0 0 1f 8 6v 8 . 6 2 1f 0 3 3f 5 1v 5 1 5 1f 0 3 3f 5 1v 8 1 features ! extra wide 3:1 input voltage range (9-27, 24-72) ! low noise, highly regulated single outputs ! no derating to 80c case temperature ! six-sided shielded low thermal gradient copper case ! 500 vdc minimum input to output isolation ! overvoltage protected input and outputs ! pulse by pulse digital current limiting ! direct output parallel for more power ! 5 year warranty t r a h c n o i t c e l e s l e d o m e g n a r t u p n i c d v t u p t u o c d v t u p t u o a m n i mx a m c x 0 0 0 3 . 5 s 2 10 . 90 . 7 20 . 50 0 0 3 c x 0 5 2 1 . 2 1 s 2 10 . 90 . 7 20 . 2 10 5 2 1 c x 0 0 0 1 . 5 1 s 2 10 . 90 . 7 20 . 5 10 0 0 1 c x 0 0 0 3 . 5 s 8 40 . 4 20 . 2 70 . 50 0 0 3 c x 0 5 2 1 . 2 1 s 8 40 . 4 20 . 2 70 . 2 10 5 2 1 c x 0 0 0 1 . 5 1 s 8 40 . 4 20 . 2 70 . 5 10 0 0 1
15 watt xc single series dc/dc converters manufacturing company, inc. concord, california 94520 ph: 925/687-4411 or 800/542-3355 fax: 925/687-3333 www.calex.com email: sales@ca lex.com 2 notes * all parameters measured at tc=25c, nominal input voltage and full rated load unless otherwise noted. refer to the calex application notes for the definition of terms, measurement circuits and other information. (2) determine the correct fuse size by calculating the maximum dc current drain at low line input, maximum load then adding 20 to 25 percent. slow blow type recommended. (3) no minimum load required. (4) short term stability is specified after a 30 minute warm-up at full load, and with constant line, load and ambient conditions. (5) the transient response is specified as the time required to settle from 50 to 75% step load change (rise time of step = 2sec.) to a 1% error band. (6) dynamic response is the peak overshoot voltage during the transient response time defined in note 5 above. (7) the input ripple rejection is specified for dc to 120hz ripple with a modulation amplitude of 1% vin. (8) for module protection only, also see note 2. (9) the logic shutdown pin is open collector ttl, cmos, and relay compatible. the input to this pin is referenced to input minus and is protected to +100vdc. (10) the functional temperature range is intended to give an additional data point for use in evaluating this power supply. at the low functional temperature the power supply will function with no side effects, however, sustained operation at the high functional temperature will reduce expected operational life. the data sheet specifications are not guaranteed over the functional temperature range. (11) the case thermal impedance is specified as the case temperature rise over ambient per package watt dissipated. * s r e t e m a r a p t u p n i l e d o mc x 0 0 0 3 . 5 s 2 1c x 0 5 2 1 . 2 1 s 2 1c x 0 0 0 1 . 5 1 s 2 1c x 0 0 0 3 . 5 s 8 4c x 0 5 2 1 . 2 1 s 8 4c x 0 0 0 1 . 5 1 s 8 4s t i n u e g n a r e g a t l o v n i m x a m 0 . 9 0 . 7 2 0 . 4 2 0 . 2 7 c d v , e l p p i r d e t c e l f e r w b z h m 0 2 - 0 p y t x a m 0 0 1 0 0 2 0 5 0 0 1 p - p a m d a o l l l u f t n e r r u c t u p n i d a o l o n p y t p y t 0 0 6 1 0 2 0 4 5 1 0 3 0 2 5 1 0 3 5 9 3 5 1 0 9 3 0 2 0 8 3 0 2 a m y c n e i c i f f ep y t9 8 71 82 89 70 82 8% y c n e u q e r f g n i h c t i w sp y t0 7z h k t u p n i m u m i x a m , e g a t l o v r e v o e g a m a d o n s m 0 0 1 x a m2 35 8c d v t u o k c o l e g a t l o v r e d n u5 . 87 1c d v , e m i t n o - n r u t r o r r e t u p t u o % 1 p y t5 1s m e s u f d e d n e m m o c e r ) 2 ( * s r e t e m a r a p t u p t u o l e d o m c x 0 0 0 3 . 5 s 2 1 c x 0 0 0 3 . 5 s 8 4 c x 0 5 2 1 . 2 1 s 2 1 c x 0 5 2 1 . 2 1 s 8 4 c x 0 0 0 1 . 5 1 s 2 1 c x 0 0 0 1 . 5 1 s 8 4 s t i n u e g a t l o v t u p t u o52 15 1c d v ) 3 ( t n e r r u c d e t a r n i m x a m 0 0 0 0 3 0 0 5 2 1 0 0 0 0 1 a m e g n a r e g a t l o v d a o l % 0 0 1 n i m p y t x a m 5 9 . 4 0 0 . 5 5 0 . 5 0 9 . 1 1 0 0 . 2 1 0 1 . 2 1 0 9 . 4 1 0 0 . 5 1 0 1 . 5 1 c d v d a o l % 0 0 1 - 0 n o i t a l u g e r d a o l p y t x a m 1 . 0 5 . 0 % n o i t a l u g e r e n i l c d v x a m - n i m = n i v p y t x a m 5 0 . 0 2 . 0 % ) 4 ( y t i l i b a t s m r e t t r o h sp y t2 0 . 0% y t i l i b a t s m r e t g n o lp y t2 . 0s r h k / % ) 5 ( e s n o p s e r t n e i s n a r tp y t0 30 40 4s ) 6 ( e s n o p s e r c i m a n y dp y t0 3 10 5 25 7 1k a e p v m ) 7 ( n o i t c e j e r e l p p i r t u p n i p y t0 6 b d w b z h m 0 2 - 0 , e s i o n p y t x a m 0 2 0 5 p - p v m t n e i c i f f e o c e r u t a r e p m e t p y t x a m 0 5 0 5 1 c / m p p ) 8 ( p m a l c e g a t l o v r e v op y t8 . 65 18 1c d v o t n o i t c e t o r p t i u c r i c t r o h s s t u p t u o l l a r o f n o m m o c d a o l r e v o l a m r e h t d n a t i n m i l t n e r r u c m u m i n i m s r u o h 8 , s u o u n i t n o c
15 watt xc single series dc/dc converters manufacturing company, inc. concord, california 94520 ph: 925/687-4411 or 800/542-3355 fax: 925/687-3333 www.calex.com email: sales@ca lex.com 3 n i pn o i t c n u f 1t u p n i + 2t u p n i - 4m i r t t u p t u o 6t u p t u o + 7n m c 8f f o / n o mechanical tolerances unless otherwise noted: x.xx dimensions: 0.020 inches x.xxx dimensions: 0.005 inches seal around terminals is not hermetic. do not immerse units in any liquid. 20 30 40 50 60 70 80 line input (volts) 70 72 74 76 78 80 82 efficiency (%) 48s5.3000xc efficiency vs. line input 50% full load 100% full load 0 20406080100 load (%) 55 60 65 70 75 80 85 efficiency (%) 12s5.3000xc efficiency vs. load line = 9vdc line = 12vdc line = 36vdc 0 20406080100 load (%) 40 50 60 70 80 90 efficiency (%) 48s5.3000xc efficiency vs. load line = 18vdc line = line = 72vdc 48vdc 5 1015202530 line input (volts) 76 78 80 82 84 efficiency (%) 12s5.1000xc efficiency vs. line input 50% full load 100% full load 20 30 40 50 60 70 80 line input (volts) 70 72 74 76 78 80 82 efficiency (%) 48s5.3000xc efficiency vs. line input 50% full load 100% full load 5 1015202530 line input (volts) 76 78 80 82 84 86 efficiency (%) 12s15.1000xc efficiency vs. line input 50% full load 100% full load typical performance (tc=25 c, vin=nom vdc, rated load). bottom view side view * s n o i t a c i f i c e p s l a r e n e g s l e d o m l l as t i n u ) 9 ( n w o d t u h s c i g o l l e v e l c i g o l n o n e p o n i p e v a e l r o n i m5 . 5c d v l e v e l c i g o l f f ox a m5 . 1c d v e c n a t s i s e r t u p n ip y t0 1s m h o k , t n e r r u c e l d i r e t r e v n o c w o l n i p n w o d t u h s p y t3 a m n o i t a l o s i e g a t l o v n o i t a l o s i t u p t u o - t u p n i e s a c - t u p n i e g a k a e l a 0 1 n i m n i m 0 0 5 0 5 2 c d v t u p t u o o t t u p n i e c n a t i c a p a c p y t0 6 1f p n o i t c n u f m i r t t u p t u o e c n a t s i s e r t u p n ip y t5 1s m h o k e g n a r g n i m m a r g o r pn i m0 1 % l a t n e m n o r i v n e e g n a r g n i t a r e p o e s a c g n i t a r e d o n n i m x a m 5 2 - 0 8 c ) 0 1 ( e g n a r l a n o i t c n u f e s a c n i m x a m 0 4 - 0 9 c e g n a r e g a r o t s n i m x a m 5 5 - 0 0 1 c ) 1 1 ( e c n a d e p m i l a m r e h tp y t4 . 4t t a w / c n w o d t u h s l a m r e h t e r u t a r e p m e t e s a c p y t0 9c l a r e n e g t h g i e w t i n up y t0 . 7z o t i k g n i t n u o m9 s m
15 watt xc single series dc/dc converters manufacturing company, inc. concord, california 94520 ph: 925/687-4411 or 800/542-3355 fax: 925/687-3333 www.calex.com email: sales@ca lex.com 4 typical performance (tc=25 c, vin=nom vdc, rated load). 20 30 40 50 60 70 80 line input (volts) 1.0 2.0 3.0 4.0 5.0 6.0 input current (mamps) 48s15.1000xc idle current 5 1015202530 line input (volts) 0.0 0.5 1.0 1.5 2.0 2.5 input current (amps) 12s5.3000xc input current vs. line input voltage 50% full load 100% full load 10 20 30 40 50 60 70 80 line input (volts) 0.0 0.2 0.4 0.6 0.8 1.0 1.2 input current (amps) 48s input current vs. line input voltage 50% full load 100% full load 0 20 40 60 80 100 load (%) 55 60 65 70 75 80 85 efficiency (%) 12s15.3000xc efficiency vs. load line = 9vdc line = 12vdc line = 36vdc 5 1015202530 line input (volts) 2.0 2.5 3.0 input current (mamps) 12s15.1000xc idle current 0 20406080100 load (%) 40 50 60 70 80 90 efficiency (%) 48s15.3000xc efficiency vs. load line = 18vdc line = line = 72vdc 48vdc 0 20 40 60 80 100 120 140 output load (%) 20 40 60 80 100 120 output voltage (%) output voltage vs. output load -30-20-10 0 1020304050607080 case temperature (deg c) -0.4 -0.3 -0.2 -0.1 0.0 0.1 0.2 normalized output (%) output voltage vs. case temperature frequency (hz) .001 .01 .1 1 impedance (ohms) output impedance vs. frequency 5v output 15v output 10 100 1k 10k 100k 1m
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