descriptio descriptio descriptio description n n n series qed is powercube?s second-generation dc/dc converter product family. these converters are board-mountable and pin-compatible with industry standard products, yet offer superior efficiency and capability. low-loss power conversion is achieved by utilizing advances in synchronous rectification and integrated planar magnetic technology. internal control functions performed by a microprocessor enable consistent performance, accuracy and effectiveness when responding to fault conditions. advanced circuit design, reduced power loss, and single board construction make series qed dc/dc converters highly reliable. additional features ? wide input voltage range (36-75vdc for 48v, 1 8-36vdc for 24v) ? input under? and over-voltage lockout ? precisely-regulated output voltage ? adjustable output voltage using ?trim pin? (-20% to + 1 0%) ? low output ripple ? overload, short circuit & over-voltage protection, thermal shutdown (auto recovery) ? shutdown control (positive and negative logic options available) ? digitally-controlled soft start ? high reliability (963 fits/ 1 ,038,000 hours mtbf) ? ul, tuv and ce recognitions pending high efficiency (over 90%) up to 30a output current standard inputs of 24v and 48v standard outputs from 1.5v to 28v microprocessor controlled isolated input, output & baseplate industry standard pin-out cover and heatsink optional fixed switching frequency powercube a natel company www.powercube.com iso 9001 tel: 1-800-866-3590 ? fax: 1-800-866-3589 9340 owensmouth avenue chatsworth california 91311 dc dc - - to to - - dc c dc c onverter onverter s s
physical dimensions - - - -in in in in input supply negative (return) case case case case case ground is internally connected to the base- plate, and may be tied to ?in,?out or earth ground, in order to reduce radiated emissions. on/off on/off on/off on/off digital input, enables or disables the output of the converter. this signal is referenced to ?in, and is pulled up to +9 vdc through a 10 kohm resistor. p p p p ( ( ( (option) option) option) option) ? an open or high (>3.5 vdc) will enable the converter. a low (<1.0 vdc) will inhibit the converter. n ( n ( n ( n (standard) standard) standard) standard) ? a low (<1.0 vdc) will enable the converter. an open or high (>3.5 vdc) will inhibit the converter. +in +in +in +in input supply positive - - - -out out out out output voltage negative (return) - - - -s s s s remote sense negative (return) t t t t trim. used for adjusting the output voltage. +s +s +s +s remote sense positive +out +out +out +out output voltage positive pin functions powercube a natel company www.powercube.com iso 9001 tel: 1-800-866-3590 ? fax: 1-800-866-3589 9340 owensmouth avenue chatsworth california 91311 dc dc - - to to - - dc c dc c onverter onverter s s typical application notes 1. dimensions shown in inches and (mm) 2. tolerance 0.01 (0.25) unless otherwise specified case on/off +s t -s 4x mounting inserts, threaded thru, m3 0.40 (10.2) 0.70 (17.8) 1.00 (25.4) 1.40 (35.6) 7x ? .040 .002 (1.02 .051) 2x ? .080 .002 (2.03 .051) 0.50 (12.7) 1.90 (48.3) 2.28 (57.9) 0.19 (4.83) 0.20 (5.08) 2.00 (50.8) 2.40 (61.0) 0.53 (13.5) max 0.20 (5.20) +out +in in out
parameter min typ max units remarks absolute maximum ratings absolute maximum ratings absolute maximum ratings absolute maximum ratings input voltage 100 vdc input/output/baseplate isolation voltage 1,500 v storage temperature -55 +125 c operating temperature -40 +85 c temperature measured at the baseplate on/off pin voltage -25 +25 vdc input characteristics input characteristics input characteristics input characteristics operating input voltage range 36 48 75 vdc input under/voltage lockout/turn on 33.5 34.5 35.5 vdc input under/voltage lockout/turn off 30.5 31.5 33 vdc input over/voltage shutdown/turn off 77 78.5 79.5 vdc input over/voltage shutdown/turn on 76 77 78 vdc no load input current 70 80 ma off converter input current 1.5 3 ma inrush current transient rating 0.01 a 2 s input reflected ripple current 35 ma rms output characteristics output characteristics output characteristics output characteristics output voltage set point 4.95 5.00 5.05 vdc output voltage load regulation 2 10 mvdc 0a to 30a output load output voltage line regulation 2 10 mvdc 36v to 75v input voltage output voltage regulation over temp. 20 60 mvdc -40c to +85c baseplate temperature output voltage total range 4.85 5.15 vdc any combination of load, line or temperature output voltage ripple and noise 30 45 mv peak-to-peak, 20 mhz bandwidth 10 15 mv rms output current operating range 0 30 adc output current-limit inception 31 34 37 adc output voltage sags by 10% dynamic characteristics dynamic characteristics dynamic characteristics dynamic characteristics input voltage ripple rejection -60 db output voltage load transient response 200 mv pk-pk 50% to 75% of the output current 200 s settling time to 1% turn-on time 10 15 ms turn-on overshoot 3 % 10,000f capacitance, no output load thermal characteristics thermal characteristics thermal characteristics thermal characteristics efficiency?100% load 88 89 % efficiency?80% load 89 90 % efficiency?60% load 90 91 % efficiency?40% load 89 90 % baseplate-to-ambient thermal resistance 1.5 8.0 c / watt board-to-ambient thermal resistance 15 c / watt thermal shutdown 110 c temperature measured at the baseplate thermal shutdown restart 100 c automatic recovery isolation characteristics isolation characteristics isolation characteristics isolation characteristics input/output/baseplate isolation voltage 1,500 vdc input/output isolation resistance 10 mohm input/output isolation capacitance 3,300 pf control characteristics control characteristics control characteristics control characteristics switching frequency 247 250 253 khz on/off off-state voltage (-p, option) 0 1 vdc on-state voltage 3.5 10 vdc an open turns on the converter on/off off-state voltage (-n, standard) 3.5 10 vdc an open turns off the converter on-state voltage 0 1 vdc output voltage trim range -20 +10 % output voltage remote sense range +10 % output over-voltage protection 125 % automatic recovery electrical characteristics - v in = +48v, v out = 5.0v, baseplate temperature = 25c, unless otherwise specified. powercube a natel company www.powercube.com iso 9001 tel: 1-800-866-3590 ? fax: 1-800-866-3589 9340 owensmouth avenue chatsworth california 91311 dc dc - - to to - - dc c dc c onverter onverter s s
specifications subject to change without notice. printed in usa copyright 2001 powercube ordering information powercube a natel company www.powercube.com iso 9001 tel: 1-800-866-3590 ? fax: 1-800-866-3589 9340 owensmouth avenue chatsworth california 91311 dc dc - - to to - - dc c dc c onverter onverter s s example: ed h h 1 1 ? 48 48 ? 050 050 ? p p ? 00 00 package package package package package package package package size size size size size size size size components components components components components components components components input input input input input input input input voltage voltage voltage voltage voltage voltage voltage voltage output output output output output output output output voltage voltage voltage voltage voltage voltage voltage voltage on/off on/off on/off on/off logic logic logic logic heatsin heatsin heatsin heatsin heatsin heatsin heatsin heatsin k k k k k k k k (fin ht. plus base (fin ht. plus base ) ) h h h h = half brick 1 1 1 1 = board only 2 2 2 2 = board & baseplate 3 3 3 3 = board, baseplate & cover 24 24 24 24 = (18v-36v) 48 48 48 48 = (36v-75v) 015 015 015 015 = 1.5vdc 020 020 020 020 = 2.0vdc 025 025 025 025 = 2.5vdc 033 033 033 033 = 3.3vdc 050 050 050 050 = 5.0vdc 120 120 120 120 = 12.0vdc 150 150 150 150 = 15.0vdc 240 240 240 240 = 24.0vdc 280 280 280 280 = 28.0vdc p p p p = positive logic n n n n= negative logic 00 00 00 00 = no heatsink 01 01 01 01 = 0.25 (6.35) h 02 02 02 02 = 0.40 (10.2) h 03 03 03 03 = 0.50 (12.7) h 04 04 04 04 = 0.60 (15.2) h 05 05 05 05 = 0.70 (17.8) h 06 06 06 06 = 0.90 (22.9) h 07 07 07 07 = 0.25 (6.35) v 08 08 08 08 = 0.40 (10.2) v 09 09 09 09 = 0.50 (12.7) v 10 10 10 10 = 0.60 (15.2) v 11 11 11 11 = 0.70 (17.8) v 12 12 12 12 = 0.90 (22.9) v heat sink dimensions 4x .160 x .220 long 4x (4.06 x 5.59 long) 2.40 (61.0) 45o typ 4x .250 (6.35) typ 4x .200 (4x 5.08) typ 2.40 (61.0) 2x .047 4 .006 (2x 1.19 4 .152) 10x .043 4 .006 (10x 1.09 4 .152) 9x .138 (3.51) 2x .316 (8.03) a .120 ( 3.05 ) .001 in/in (.025 mm/mm) horizontal or vertical half horizontal or vertical half horizontal or vertical half horizontal or vertical half- - - -brick brick brick brick outputs of 1.5, 2.0, 2.5, 3.3 and 5.0vdc are limited to 30a; 12.0vdc is 12.5a; 15.0vdc is 10.0a; 24.0vdc is 6.25a; and 28.0vd c is 5.4a.
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