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| 2, 3, 4 amp sip12 vertical & horizontal innoline dc/dc-converter r-7xxxp_d series non-isolated synchronous rectification design adjustable output voltage 2, 3, 4amp 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 (very low short current iin<50ma) input voltage range 4.5v~28v efficiency to 97% 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-723.3x 4.5 C 28 3.3 2.5 C 5.5 2 95 93 89 r-725.0x 6.5 C 28 5.0 3.0 C 6.0 2 96 95 91 r-726.5x 8.5 C 28 6.5 5.0 C 8.0 2 97 96 93 r-729.0x 12 C 28 9.0 7.0 C 11 2 96 - 93 r-7212x 15 C 28 12 10 C 14 2 97 - 95 r-7215x 19 C 28 15 13 C 17 2 97 - 96 r-733.3x 4.5 C 28 3.3 2.5 C 5.5 3 94 93 89 r-735.0x 6.5 C 28 5.0 3.0 C 6.0 3 95 95 92 r-736.5x 8.5 C 28 6.5 5.0 C 8.0 3 97 96 93 r-739.0x 12 C 28 9.0 7.0 C 11 3 96 - 94 r-7312x 15 C 28 12 10 C 14 3 97 - 96 r-7315x 19 C 28 15 13 C 17 3 97 - 96 r-743.3x 4.5 C 28 3.3 2.5 C 5.5 4 93 92 88 r-745.0x 6.5 C 28 5.0 3.0 C 6.0 4 95 94 91 r-746.5x 8.5 C 28 6.5 5.0 C 7.5 4 96 96 93 note: vin-vout 1.5v~4.0v depending on vout 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-7xxx series is a high performance 2.5v to 15v , 2amp to 4amp,12-pin sip (single in-line package), integrated switching regulator (isr). the synchronuous - rectified design yields excellent effi- ciencies up to 97%. short circuit protection with crowbar function reduces the short circuit current to under 50ma of input current. description 27-march-2007 165 www.recom-international.com
characteristics conditions min. typ. max. output voltage range all series 2.5 17v output current r-72xxp/d 0.2 2.0a r-73xxp/d 0.3 3.0a r-74xxp/d 0.4 4.0a output current limit r-72xxp/d 2.5 3.0a r-73xxp/d 3.75 4.25a r-74xxp/d 5.0 5.5a short circuit input current all series 50 100ma 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) all series 0.5 1.0% load regulation (10 to 100% full load) all series 0.5 1.0% ripple & noise all series 40mvp-p 70mvp-p transient response (see note 1) 50% load change C 100s 200s vout over / undershoot 100mv remote on / off (see note 2) open or high (power on) 4.5 28v low (power off) 0.8v switching frequency 270 300 330khz shutdown current on / off pin pulled low 100a quiescent current vin = min. to max. at 0% load 30ma operating temperature range -40c +85c operating case temperature +110c storage temperature range -40c +125c thermal impedance natural convection 25c/w internal power dissipation ta < 60c 1.4w mtbf (nominal vout, 100% load) tamb. = +25c 749 x 103hours tamb. = +85c 150 x 103hours r-7xxxp_d series specifications (refer to the standard application circuit, ta: 25c) innoline dc/dc-converter standard application circuit $ $ / 313 233 cc ,cc +cc 6 !(<.( 6 !(<. 333 "# ) ## > ? "#:$ 6-?b+ notes: 1. requires a 100f electrolytic or tantalum output capacitor for proper operation in all applications (the capacitor to be plac ed as close as possible to the output pins). 2. on / off pin driven by ttl (logic gate), open-collector bipolar transistor or open-drain mosfet. add a blocking diode to vout if current can flow backwards into the out- put, as this can damage the converter.. 27-march-2007 www.recom-international.com 166 r-7xxxp_d series output current vs input voltage innoline dc/dc-converter !c 2 , , & ) +.. e 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-745.0p , at vin = 28vdc , vo = 5vdc , =91% (see "selection guide" table) (a) when ta = 60c , p d = 1.4 watt (see beside diagram) io = 1.4(w) / 5(v) (1-0.91) = 3.11(a) (b) when ta = 85c , p d = 1 watt (see beside diagram) io = 1(w) / 5(v) (1-0.91) = 2.222(a) ( c) at vin = 12vdc efficiency = 94% (see "selection guide" table) when ta = 85c , p d = 1 watt (see beside diagram) io = 1(w) / 5(v) (1-0.94) =3.33(a) characteristics 6) $ 6) $. $ $02$ $01,1$ $0$ $0$ $ $ $0,$ $0$ $ 6) $ 6) $. $ 1,1$ $ $ $ ,$ $ r-72xx / r-73xx ripple vs vin r-74xx ripple vs vin - ' '* - ' '*$. $ 1,1$ $ $ $ ,$ $ $ - ' '* - ' '*$. $ $01,1$ $0$ $ $ $0,$ $ r-72xx / r-73xx efficiency vs vin r-74xx efficiency vs vin - ' '* 1 2 - ' '*$.& $04 ,$ 1,1$ ,$ $ - ' '* 1 2 - ' '*$.& $045 $ 1,1$ ,$ $ r-72xx / r-73xx / r-74xx efficiency / load vin=min r-72xx / r-73xx / r-74xx efficiency / load vin=max 27-march-2007 167 www.recom-international.com r-7xxxp_d series package style and pinning (mm) 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, 11 vout power output 12 vout-adj with external resistors r1,r2 to selected output voltage tolerance: 0.25 mm = 3 1 2 , , , , 1, ,1 2, , = 3 , , , 1 2 , , , 1, 2, , ,, ,, ,1 1 () < ' sip12 pin package 27-march-2007 www.recom-international.com 168 r-7xxxp_d series table 1: adjustment resistor values 2a dc r-723.3p/d r-725.0p/d r-726.5p/d r-729.0p/d r-7212p/d r-7215p/d 3a dc r-733.3p/d r-735.0p/d r-736.5p/d r-739.0p/d r-7312p/d r-7315p/d 4a dc r-743.3p/d r-745.0p/d r-746.5p/d vout (nominal) 3.3vdc 5.0vdc 6.5vdc 9.0vdc 12vdc 15vdc vout (adj) r1r2 r1r2 r1r2 r1r2 r1r2 r1 r2 2.5 8.5k ? 3.0 33k ? 470 ? 3.2 110k ? 1.6k ? 3.3 2.2k ? 3.4 36k ? 3.0k ? 3.6 11k ? 4.7k ? 3.9 4.7k ? 8.5k ? 4.5 1.6k ? 30k ? 4.9 820 ? 220k ? 5.0 680 ? 11k ? 5.1 560 ? 28k ? 12k ? 5.5 190 ? 2.6k ? 20k ? 6.0 47k ? 6.5 7.0 560 ? 13k ? 8.0 330 ? 31k ? 9.0 10 2.2k ? 20k ? 11 390 ? 47k ? 12 13 2.4k ? 36k ? 14 390 ? 76k ? 15 16 2.6k ? 17 860 ? 18 innoline dc/dc-converter 27-march-2007 169 www.recom-international.com |
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