a 12 watt single series dc/dc converters stco# 970521-3, #970624-3, #990316-1 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 3/16/99 features ! ul recognized ! low noise output ! lc type input filter ! six-sided shielded steel case ! very wide input voltage ranges (9-36, and 24-72) ! high efficiency operation ! long term output fault survival ! 5 year warranty description these 12 watt single output dc/dc converters are designed for telecommunications, industrial controls, medical equipment and instrumentation systems. the converters feature very wide input voltage ranges. the converter consists of a hi-speed chopper circuit using state-of-the-art mosfet technology, isolation transformer, and high regulation linear post regulator. these provide very low noise and ultra stable output voltages. 12 watt single series block diagram 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 0 0 0 2 . 5 s 4 20 0 . 90 0 . 6 30 . 50 0 0 2 0 0 0 1 . 2 1 s 4 20 0 . 90 0 . 6 30 . 2 10 0 0 1 0 0 8 . 5 1 s 4 20 0 . 90 0 . 6 30 . 5 10 0 8 0 0 0 2 . 5 s 8 40 0 . 4 20 0 . 2 70 . 50 0 0 2 0 0 0 1 . 2 1 s 8 40 0 . 4 20 0 . 2 70 . 2 10 0 0 1 0 0 8 . 5 1 s 8 40 0 . 4 20 0 . 2 70 . 5 10 0 8
t u p t u o1 c1 d 5f 0 7 4v 8 . 6 2 1f 0 2 2v 5 1 5 1f 0 2 2v 8 1
a 12 watt single series dc/dc converters stco# 970521-3, #970624-3, #990316-1 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 3/16/99 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. (5) transient response is defined as the time for the output to settle from 100% step load change to a 1% error band (rise time of step =2 sec). (6) dynamic response is defined as the peak overshoot during a transient as defined in note 5 above. (7) the input ripple rejection is specified for dc to 120hz ripple with a modulation amplitude of 1% of vin. (8) for module protection only, with use of external fuse on input circuit, see note 2. (9) 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. (10) 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 m 0 0 0 1 . 2 1 s 4 2 0 0 0 2 . 5 s 4 2 0 0 8 . 5 1 s 4 2 0 0 0 1 . 2 1 s 8 4 0 0 0 2 . 5 s 8 4 0 0 8 . 5 1 s 8 4 s t i n u e g n a r e g a t l o v n i m x a m 0 0 . 9 0 0 . 6 3 0 0 . 4 2 0 0 . 2 7 c d v w b z h m 0 2 - 0 , e l p p i r d e t c e l f e r p y t x a m 0 2 5 4 5 1 0 3 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 2 7 0 4 0 6 3 4 2 a m y c n e i c i f f ep y t0 7% y c n e u q e r f g n i h c t i w sp y t9 0 9z h k s m 0 0 1 , e g a t l o v r e v o t u p n i m u m i x a m e g a m a d o n x a m0 40 8c d v r o r r e t u p t u o % 1 , e m i t n o - n r u tp y t0 6s 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 0 0 0 2 . 5 s 4 2 0 0 0 2 . 5 s 8 4 0 0 0 1 . 2 1 s 4 2 0 0 0 1 . 2 1 s 8 4 0 0 8 . 5 1 s 4 2 0 0 8 . 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 ( d a o l d e t a r n i m x a m 0 0 0 0 2 0 0 0 0 1 0 0 0 8 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 2 0 . 0 5 0 . 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 2 0 . 0 5 0 . 0 % ) 4 ( y t i l i b a t s m r e t t r o h sp y t5 0 . 0% y t i l i b a t s m r e t g n o lp y t3 . 0s r h k / % ) 5 ( e s n o p s e r t n e i s n a r tp y t0 2s ) 6 ( e s n o p s e r c i m a n y dp y t0 30 20 2k 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 ip y t0 6b d w b z h m 0 2 - 0 , e s i o n p y t x a m 0 1 0 4 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 2 1 0 0 2 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 t i 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
a 12 watt single series dc/dc converters stco# 970521-3, #970624-3, #990316-1 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 3/16/99 12 14 16 18 20 22 24 26 28 30 32 34 36 line input (volts) 66 67 68 69 70 71 72 73 efficiency (%) 24s15.800 efficiency vs line input 50% full load 100% full load n i pn o i t c n u f 1t u p n i + 2t u p n i - 3t u p t u o + 5n m c 20 30 40 50 60 70 80 line input (volts) 64 66 68 70 72 74 76 efficiency (%) 48s15.800 efficiency vs line input 50% full load 100% full load typical performance (tc=25 c, vin=nom vdc, rated load). 0 20406080100 load (%) 30 35 40 45 50 55 60 efficiency (%) 48s5.2000 efficiency vs load line = 24vdc line = 48vdc line = 72vdc 0 20406080100 load (%) 30 35 40 45 50 55 60 efficiency (%) 48s5.2000 efficiency vs load line = 24vdc line = 48vdc line = 72vdc bottom view side view mechanical tolerances unless otherwise noted: x.xx dimensions: 0.020 inches x.xxx dimensions: 0.005 inches * 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 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 e g a k a e l a 0 1 t u p t u o - t u p n i n i m0 0 5c 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 2 1f p 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 ) 9 ( 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 - 5 8 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 ) 0 1 ( e c n a d e p m i l a m r e h tp y t6 t t a w / c l a r e n e g t h g i e w t i n up y t5 . 6z o s t i k g n i t n u o mv d b 8 0 - 5 1 2 k m & 2 2 0 - 5 1 2 k m s l a v o r p p a y c n e g a9 5 4 1 l u 12 1 66 67 68 69 70 71 72 73 efficiency (%) 9
a 12 watt single series dc/dc converters stco# 970521-3, #970624-3, #990316-1 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 3/16/99 typical performance (tc=25 c, vin=nom vdc, rated load). 0 5 10 15 20 25 30 35 40 line input (volts) 0.0 0.5 1.0 1.5 2.0 2.5 input current (amps) 24s input current vs line input voltage 100% full load 50% full load 0 1020304050607080 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 80 100 120 140 160 output load (%) 0 20 40 60 80 100 120 output voltage (%) output voltage vs. output load -30-20-10 0 1020304050607080 case temperature (deg c) -0.02 0.00 0.02 0.04 0.06 0.08 0.10 normalized output (%) 48s15.800 output voltage vs. case temperature frequency (hz) .001 .01 .1 1 impedance (ohms) output impedance vs. frequency 10 100 1k 10k 100k 1m
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