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innoline dc/dc-converter with 3 year warranty r-5xxxa en-60950-1 certified 2, 3, 4, 5 amp sip12 vertical & horizontal auto-sense non-isolated synchronous rectification design adjustable output voltage 2, 3, 4 & 5amp adjustable positive step down integrated switching regulator over load protection (125% full load typical) remote on/off control(ground off) wide input range ul94v-0 package material continuous short circuit protection (short circuit input current, iin sc<50ma) input voltage range 4.5v~18v efficiency to 96 % features selection guide part input nominal vout output efficiency number range output voltage adjust range current min.vin 12v max.vin sip12 (v) (v) (v) (a) (%) (%) (%) r-521.2xa 4.5 ? 18 1.2 1.0 ? 3.0 2 83 79 75 r-521.8xa 4.5 ? 18 1.8 1.1 ? 4.5 2 88 85 82 r-522.5xa 4.5 ? 18 2.5 1.6 ? 5.5 2 91 88 86 r-523.3xa 4.5 ? 18 3.3 1.6 ? 5.5 2 92 90 89 r-525.0xa 6.5 ? 18 5.0 3.0 ? 5.5 2 95 93 92 r-531.2xa 4.5 ? 18 1.2 1.0 ? 3.0 3 85 84 82 r-531.8xa 4.5 ? 18 1.8 1.1 ? 4.5 3 89 88 86 r-532.5xa 4.5 ? 18 2.5 1.6 ? 5.5 3 92 91 89 r-533.3xa 4.5 ? 18 3.3 1.6 ? 5.5 3 94 93 92 r-535.0xa 6.5 ? 18 5.0 3.0 ? 5.5 3 96 95 94 r-541.2xa 4.5 ? 18 1.2 1.0 ? 3.0 4 82 81 79 r-541.8xa 4.5 ? 18 1.8 1.1 ? 4.5 4 87 86 85 r-542.5xa 4.5 ? 18 2.5 1.6 ? 5.5 4 91 89 88 r-543.3xa 4.5 ? 18 3.3 1.6 ? 5.5 4 93 92 91 r-545.0xa 6.5 ? 18 5.0 3.0 ? 5.5 4 95 94 93 r-551.2xa 4.5 ? 18 1.2 1.0 ? 3.0 5 81 80 78 r-551.8xa 4.5 ? 18 1.8 1.1 ? 4.5 5 86 85 84 r-552.5xa 4.5 ? 18 2.5 1.6 ? 5.5 5 90 89 88 r-553.3xa 4.5 ? 18 3.3 1.6 ? 5.5 5 92 91 90 r-555.0xa 7.0 ? 18 5.0 3.0 ? 5.5 5 94 93 92 note: vin -vout 1.5v if adjust function is used! suffix x: (see mechanical drawing for details) x = p pins vertical through hole x = d pins bent for horizontal through hole mounting the r-5xxx series is a high performance 1.2v to 5.0v , 2amp to 5amp,12-pin sip (single in-line package) integrated switching regulator (isr). synchronous - rectified design yields excellent efficiencies up to 96%. short circuit protection reduces the short circuit input current to under 50ma. autosense function compensates for any losses in long circuit loops. description rohs 2011/65/eu 6/6 refer to application notes www.recom-power.com i-45 rev: 1/2016
characteristics conditions min. typ. max. output voltage range all series 0.8 6.0v output current r-52xxpa/da 0.2 2.0a r-53xxpa/da 0.3 3.0a r-54xxpa/da 0.4 4.0a r-55xxpa/da 0.5 5.0a output current limit r-52xxpa/da 2.5 3.0a r-53xxpa/da 3.75 4.25a r-54xxpa/da 5.0 5.5a r-55xxpa/da 6.0 6.5a short circuit input current all series 50ma short circuit protection continuous, automatic recovery output voltage accuracy at 100% load all series 1% 2% line voltage regulation (vin = min. to max. at full load) r-52xxpa/da 0.25 0.5% r-53xxpa/da & r-54xxpa/da & r-55xxpa/da 0.5 1.0% load regulation (10 to 100% full load) r-52xxpa/da 0.5 1.0% r-53xxpa/da & r-54xxpa/da & r-55xxpa/da 1.0 2.0% ripple & noise r-52xxpa/da 40mvp-p 70mvp-p r-53xxpa/da & r-54xxpa/da & r-55xxpa/da 80mvp-p 120mvp-p transient response (see note 1) 50% load change 100s 200s vout over / undershoot 100mv remote on / off (see note 2) open or high (power on) 4.5 18v (positive logic) low (power off) 0.8v remote off input current remote on/off low level 100a max capacitance load with normal start-up time, no external diodes 300f with <1 second start up time + diode protection circuit 6800f switching frequency 270 300 330khz quiescent current vin = min. to max. at 0% load 20ma operating temperature range -40c +85c storage temperature range -40c +125c case material non-conductive black plastic potting material epoxy (ul94v-0) internal power dissipation io x vo x (1-efficiency) 1.4w package weight 9g packing quantity 15 pcs per tube mtbf (nominal vout, 100% load) tamb. = +25c 749 x 103 hours tamb. = +85c 150 x 103 hours en general safety report: spclvd1301028-1 en60950-1:2006 + a12:2011 r-5xxxa r-5xxxpa_da series specifications (refer to the standard application circuit, ta: 25c) innoline dc/dc-converter notes: 1. requires an electrolytic or tantalum output capacitor for proper opera tion in all applications (the capacitor to be placed as close as possible to the output pins) 100f for r-52xxpa/da, r-53xxpa/da and r-54xxpa/da or 220f for r-55xxpa/da. 2. on / off pin driven by ttl (logic gate), open-collector bipolar transistor or open-drain mosfet. 3. output current vs. input voltage (see graph below). output current vs input voltage "4

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/11m how to calculate the max output current the internal power dissipation(p d )follows the equation: p d = io vo (1- ) io = p d / vo (1- ) where p d = internal power dissipation io = output current vo = output voltage = efficiency example: r-545.0p , at vin = 18vdc , vo = 5vdc , =93% (see "selection guide" table) (a) when ta = 60c , p d = 1.4 watt (see adjacent diagram) io = 1.4(w) / 5(v) (1-0.93) = 4(a) (b) when ta = 85c , p d = 1 watt (see adjacent diagram) io = 1(w) / 5(v) (1-0.93) = 2.857(a) ( c) at vin = 12vdc efficiency = 94% (see "selection guide" table) when ta = 85c , p d = 1 watt (see adjacent diagram) io = 1(w) / 5(v) (1-0.94) =3.33(a) } detailed information see application notes chapter "mtbf" i-46 www.recom-power.com rev: 1/2016
r-5xxxa r-5xxxpa_da series standard application circuit innoline dc/dc-converter - - 6 ;#; :; $gg gg 2gg gg 7 ",d1, 7 ",d1 ;;; %& 2 && f n 7
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# : # : p p $ $ f f$ h/$## ##,. 9?9&'', component side f f$ @;. $ $ $ $$ # # , solder side parallel application circuit the r-52xx, r-53xx, r-54xx series can be used in parallel to upgrade the output current capacity for the same output voltage. for example, the r-543.3pa can parallel up with another r-554.3pa to give up to 8 amps or with the r-533.3pa or r-523.3pa types to give output currents of up to 7 amps or 6 amps. the r-55xx series cannot be paralleled. add a blocking diode to vout if current can flow backwards into the out- put, as this can damage the converter.. www.recom-power.com i-47 rev: 1/2016
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" $- $- $- #$#- $- : r-53xx / r-54xx / r-55xx output current efficiency vs i out (vin = 18v) r-52xx output current efficiency vs i out (vin = 18v) r-5xxxpa_da series innoline dc/dc-converter characteristics 6
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- r-53xx / r-54xx output voltage line regulation vs vout r-52xx / r-55xx output voltage line regulation vs vout 6,7
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- $ $ $- $- $- #$#- $- r-53xx / r-54xx intput voltage load regulation vs vin r-52xx / r-55xx intput voltage load regulation vs vin i-48 www.recom-power.com rev: 1/2016
r-5xxxa r-5xxxpa_da series innoline dc/dc-converter table 1: adjustment resistor values 2adc r-521.2pa/da r-521.8pa/da r-522.5pa/da r-523.3pa/da 525.0pa/da 3adc r-531.2pa/da r-531.8pa/da r-532.5pa/da r-533.3pa/da 535.0pa/da 4adc r-541.2pa/da r-541.8pa/da r-542.5pa/da r-543.3pa/da 545.0pa/da 5adc r-551.2pa/da r-551.8pa/da r-552.5pa/da r-553.3pa/da 555.0pa/da vout (nominal) 1.2vdc 1.8vdc 2.5vdc 3.3vdc 5.0vdc vout (adj) r1 r2 r1 r2 r1 r2 r1 r2 r1 r2 0.8 (v) 0.9 (v) 740 1.0 (v) 3.9k 1.1 (v) 13k 1.05k 1.2 (v) 2.1k 270 1.3 (v) 37k 3.7k 750 1.5 (v) 11.5k 10k 2.1k 390 1.6 (v) 8.2k 18k 3.0k 750 1.7 (v) 6.5k 41k 4.1k 1.2k 1.8 (v) 5.2k 5.6k 1.7k 1.9 (v) 4.3k 36k 7.5k 2.2k 2.0 (v) 3.6k 1.8k 10.5k 2.8k 2.4 (v) 2.1k 5.2k 82k 6.8k 2.5 (v) 1.8k 4.3k 8.5k 2.6 (v) 1.65k 3.6k 33k 10.5k 3.0 (v) 1.05k 2.1k 6.2k 33k 470 3.2 (v) 1.65k 4.1k 110k 1.6k 3.3 (v) 1.5k 3.4k 2.2k 3.4 (v) 1.35k 2.9k 36k 3.0k 3.6 (v) 1.07k 2.2k 11k 4.7k 3.9 (v) 780 1.4k 4.7k 8.5k 4.5 (v) 390 650 1.6k 30k 4.9 (v) 350 820 220k 5.0 (v) 290 680 5.1 (v) 220 560 28k 5.5 (v) 39 190 2.6k www.recom-power.com i-49 rev: 1/2016
r-5xxxa a# ? #: $ $ $ $ #$ $# :$ $ a# ? $ $ $ #: $ $ $ #$ :$ $ 456 $$8< 456 $$< $# r-5xxxpa_da series innoline dc/dc-converter pin connections pin # name description 1 on / off input pin : active low (less than 0.8v) to disable the device 2, 3, 4 vin power input 5, 6, 7, 8 gnd input and output ground (common) 9 , 10 vout power output 11 vout (auto sense) if unused this pin must be connected to pin 9 and 10 12 vout-adj with external resistors r1,r2 to selected output voltage tolerance: 0.25 mm package style and pinning (mm) sip12 pin package add a blocking diode to vout if current can flow backwards into the output, as this can damage the converter when it is powered down. protection diodes are re- quired for high capacitive loads. the diode can either be fitted across the device if the source is low impedance or fitted in series with the output (recommended). optional diode protection circuit optional protection 1: optional protection 2: % %

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@'#/&-.1 /'/ tolerance: xx.x 0.5mm xx.xx 0.25mm i-50 www.recom-power.com rev: 1/2016 the product information and specifications are subject to change without prior notice. recom products are not authorized for us e in safety-critical applications (such as life support) without recoms explicit written consent. a safety-critical application is defined as an applica tion where a failure of a recom product may reasonably b e expected to endanger or cause loss of life, inflict bodily harm or damage property. the buyer shall indemnify and hold harmless recom, its affiliated companies and its representatives against any damage claims in connecti on with the unauthorized use of recom products in such safety-critical applications.

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