low current regulator basic characteristics parameter condition min. typ. max. internal input filter 1f capacitor input voltage range nom. vin= 24v 10vdc 24vdc 36vdc quiescent current 0.5ma 1ma under voltage lockout dc-dc on dc-dc off 6vdc 5vdc output voltage trimming with 3.75k w 5vdc minimum load 0% on/off ctrl dc-dc on dc-dc off open or 2v regulations parameter condition value output voltage accuracy 100% load 2.0% typ. line voltage regulation low line to high line, full load 0.2% typ. / 0.5% max. load voltage regulation 10% to 100% load 0.5% typ. / 0.8% max. dynamic load stability with 100f output capacitor, 100% <-> 50% load 75mv typ. / 100mv max. i-2 rev.: 1/2017 www.recom-power.com dc/dc converter environmental parameter condition value operating temperature range without derating (see graph) -40c to +105c operating altitude 5000m operating humidity non-condensing 95% rh max. pollution degree pd2 vibration 10-55hz, 2g, 30min along x, y and z mtbf mil-hdbk 217f, g.b. mil-hdbk 217f, g.b. +25c +71c 7395 x 10 3 hours 1242 x 103 hours continued on next page specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) r420-1.8/pl series protections parameter condition value short circuit protection (scp) continuous, automatic recovery radj trim -vout output voltage trimming radj (k w ) vout open 1.8v 8 3.3v 3.75 5.0v ouput current vs. input voltage 36 15 10 5.5 10.0 input voltage [vdc] output current [ma] 5vout 1.8vout, 3.3vout
i-3 rev.: 1/2017 www.recom-power.com specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) r420-1.8/pl series 60 80 105 100 40 20 0 -40 0 20 40 60 80 100 ambient temperature [c] output current [%] derating graph safety and certifications certifcate type report / file number standard information technology equipment - general requirments for safety (lvd) l0339m12-a-l en60950-1, 2nd edition, a2:2013 rohs2 rohs 2011/65/eu + am2015/863 emi compliance condition standard / criterion information technology equipment - radio disturbance characteristics - limits and methods of measurement without external flter en55022, class a and b dimension and physical characteristics parameter type value material pcb fr4 (ul94v-0) package dimension (lxwxh) 22.7 x 13.2 x 5.08mm package weight 2.2g typ. 22.7 17.08 13.2 7.62 2.0 bottom view 1 6 5 4 2 3 2.5 typ. 1.0 5.08 5.08 dimension drawing (mm) pin connections pin # function 1 -vin 2 +vin 3 ctrl 4 +vout 5 -vout 6 trim tolerance: xx.x= 0.5mm xx.xx= 0.25mm pin dimension: 0.1mm dc/dc converter
installation and application i-4 rev.: 1/2017 www.recom-power.com dc/dc converter specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) r420-1.8/pl series solar application hart-application +vin vpri vsec vout status gnd auto-switch icl7673 3.3v solar panel 0v +vout -vout -vin trim r420-1.8/pl 3v coin cell 8k? 12-24v +vin t 1 c 1 c 6 r 2 r 1 r 3 ic 2 ic 1 ic 3 ic 4 x 1 c 2 c 5 c 4 +vin +vin +vin +vout r trim -vout trim multiple sensors gnd gnd gnd gnd hart-in hart-out b e r420- 1.8/pl hart- moden xtr115 micro- controller 4-20ma loop r loop fsk-modem pc data v ref v reg 5v i in i ret uart + - xtr115 sensor signal output r trim r in +vin +vout -vout trim gnd s+ s- +vin gnd r420- 1.8/pl microprozessor +5v 4-20ma loop r loop + - t 1 c 1 c 2 ic 2 ic 1 ic 3 r 1 r 2 sensor application solar-powered regulated .v supply with automatic switch-over to v battery back-up.
the product information and specifcations are subject to change without prior notice. recom products are not authorized for use in safety-critical applications (such as life support) without recoms explicit written consent. a safety-critical application is defned as an application where a failure of a recom product may reasonably be expected to endanger or cause loss of life, infict bodily harm or damage property. the buyer shall indemnify and hold harmless recom, its affliated companies and its representatives against any damage claims in connection with the unauthorized use of recom products in such safety-critical applications. packaging information packaging dimension (lxwxh) tray (carton) tape and reel (carton) reel 260.0 x 205.0 x 25.0mm 385.0 x 375.0 x 70.0mm 330.0 x 330.0 x 50.0mm packaging quantity tray tape and reel 40pcs 400pcs tape and reel width 44mm storage termperature range -55c to +125c storage humidity non-condensing 95%, rh max. i-5 rev.: 1/2017 www.recom-power.com specifcations (measured @ ta= 25c, full load, nominal input voltage and after warm-up) r420-1.8/pl series dc/dc converter
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