re v d psa y c series 2 watt a c/dc switching power supplies 08/25/2015 wall industries, inc. ? 37 industrial dr. , exeter, nh 03833 ? tel: 603 - 778- 2300 ? toll free: 888 - 597- 9255 ? fax 603 - 778- 9797 web site : w ww.wallindustries.com ? e - mail: sales@wallindustries.com page 1 of 6 size: 1.33 x 0.87 x 0.67 inches 33.7 x 22.2 x 17.0 mm features ? ? ? ? ? ? ? ? ? ? ? ? description the psa y c series of ac/dc swi tching po wer supplies provides 2 watts of output power in a 1.33? x 0.87? x 0.67 ? encapsulated pcb mountable package. this series consists of single output models with a universa l input range of 90 - 305vac (120 - 430 vdc ) . some features include low ripple and noise , - 4 0 c to +8 0c operating temperature range, and over power , over volt age, and short circuit protection . all models are rohs compliant and have ul/cul , ce, and cb safety approvals. model selection table model number input voltage output voltage output cur rent line regulation load regulation output power efficiency maximum capacitive load min load max load psayc - 3.3s 90~305 vac (120~430 vdc) 3.3 vdc 0% 6 00ma 1.0 % 1.5 % 2 w 66% 7, 000f psayc -5s 5 vdc 0% 4 00ma 1.0 % 1.5 % 2 w 70% 4 ,000f psayc -9s 9 vdc 0% 222ma 1.0 % 1 .5% 2 w 73% 12 00f psayc -12s 12 vdc 0% 167ma 1.0 % 1 .5% 2 w 73% 5 00f psayc -15s 15 vdc 0% 133ma 1.0 % 1 .5% 2 w 73% 35 0f psayc -24s 24 vdc 0% 83ma 1.0 % 1 .5% 2 w 75% 11 0f
re v d psa y c series 2 watt a c/dc switching power supplies 08/25/2015 wall industries, inc. ? 37 industrial dr. , exeter, nh 03833 ? tel: 603 - 778- 2300 ? toll free: 888 - 597- 9255 ? fax 603 - 778- 9797 web site : w ww.wallindustries.com ? e - mail: sales@wallindustries.com page 2 of 6 specifications: psa y c series al l specifications are based on 25c, nominal input voltage, and maximum output current unless otherwise noted. we reserve the right to change specifications based on technological advances. specification test conditions min typ max unit input specificatio ns input voltage ac input voltage range 90 305 vac dc input voltage range 12 0 430 vdc input frequency 47 63 hz input current at 115vac and full load 75 m a at 230vac and full load 55 inrush current (<500s) at 115vac 15 a at 230vac 25 no load power consumption 0.3 w external fuse (recommended) 3.15 a slow blow type output specifications output voltage see table voltage accuracy - 5 +5 % line regulation l ow line to high line - 1 +1 % load regulation 0% to 100% load - 1.5 +1 .5 % output power 2 w output current see table minimum load 0 % ripple & noise (1) 120hz measured at 20mhz bw with 0.1f and 47f capacitors in parallel 1 vp - p 100khz 0.25 max capacitive load see table hold - up time (2) at 230vac 1 5 ms temperature coefficient - 0.02 +0.02 %/ c protection short circuit protection hiccup mode, indefinite (auto - recovery) over voltage protection zener diode clamp over power protection hiccup technique , auto - recovery general specifications efficie ncy see table isolation voltage input to output 3 000 vac leakage current 0.25 ma environmental specifications operating temperature with derating (see derating curve) - 40 + 80 c storage temperature - 40 +85 c humidity 95 % rh cooling f ree air convection mtbf 25c (mil - hdbk - 217f) 350,000 hours physical specifications weight 0.71 oz (20.1 g) case material plastic resin with f iberglass (flammability to ul 94v - 0) dimensions (l x w x h) 1.33 x 0.87 x 0.67 inches (33.7 x 22.2 x 17.0 m m) safety & emc safety approvals ul/cul, ce, cb emc emi (conducted and r adiated emissions) en 55022 class b ems (noise immunity) en 55024
re v d psa y c series 2 watt a c/dc switching power supplies 08/25/2015 wall industries, inc. ? 37 industrial dr. , exeter, nh 03833 ? tel: 603 - 778- 2300 ? toll free: 888 - 597- 9255 ? fax 603 - 778- 9797 web site : w ww.wallindustries.com ? e - mail: sales@wallindustries.com page 3 of 6 notes (1) ripple & noise measured at 20mhz of bandwidth with 0.1uf & 47uf parallel capacitor. (2) hold - up time measured at 90% vout. (3) varistor 14s561k required at l/n input side in parallel. (4) 10r/ 15f thermistor required at l input side in series connection. (5) please request our pdf file ?ac - dc application notes? for more details. due to advances in technology, speci fications subject to change without notice. mechanical drawing block diagram derating curve single output
re v d psa y c series 2 watt a c/dc switching power supplies 08/25/2015 wall industries, inc. ? 37 industrial dr. , exeter, nh 03833 ? tel: 603 - 778- 2300 ? toll free: 888 - 597- 9255 ? fax 603 - 778- 9797 web site : w ww.wallindustries.com ? e - mail: sales@wallindustries.com page 4 of 6 application notes ac input line connection: the pin of ac line (l), ac neutral (n), and the third wire safety ground (fg) should be retained from the ac power outlet to the power supply input terminals without accidental interchange. (figure 1.1) the fg pin should be connected to the equipment where power supply is placed as thicker and shorter to protect electric shock or noise interference. (figure 1.2) series and parallel operation i. series operation: most power converters can be operated in series if they have overload limitation by either constant current or constant power circuits. to protect each o utput from the reverse voltage applied by the other unit in the event of load short circuits, reverse biased diodes are used as shown in figure 2.1. ii. parallel operation: this is only recommended with power converters specifi cally designed for parallel connection. in the parallel redundant scheme illustrated in figure 2.2, one of the power converters could be replaced by a battery followed by a dc - dc converter to provide a no - break power sustem in the event of main supply fail ure.
re v d psa y c series 2 watt a c/dc switching power supplies 08/25/2015 wall industries, inc. ? 37 industrial dr. , exeter, nh 03833 ? tel: 603 - 778- 2300 ? toll free: 888 - 597- 9255 ? fax 603 - 778- 9797 web site : w ww.wallindustries.com ? e - mail: sales@wallindustries.com page 5 of 6 reduce the output ripple and noise: using a lc filer or a capacitor reduces the output ripple and noise (figure 3.1) class ii suggested circuit for general application circuitry connection: item loca tion description 1 f1 ayc slow blow fuse 3.15a/300v 2 rv1 vin(max)=264 14s471k or 20s471k vin(max)=305 14s561k or 20s561k 3 rv2 vin(max)=264 14s471k or 20s471k vin(max)=305 14s561k or 20s561k 4 rv3 vin(max)=264 14s471k or 20s471k vin(max)=305 14s561k or 20s561k 5 c1 x capacitor 0.1uf~0.68uf 300v x1 6 l1 10~50mh 7 d1 tvs (vout=3.3v) smbj5.0a or 600w (peak) smbj7.0a or 600w (peak) smbj12a or 600w (peak) smbj20a or 600w (peak) smbj20a or 600w (peak) smbj30a or 600w (peak) smbj64a or 600w (peak) ?8~?20 10r 47uf or 47uf
re v d psa y c series 2 watt a c/dc switching power supplies 08/25/2015 wall industries, inc. ? 37 industrial dr. , exeter, nh 03833 ? tel: 603 - 778- 2300 ? toll free: 888 - 597- 9255 ? fax 603 - 778- 9797 web site : w ww.wallindustries.com ? e - mail: sales@wallindustries.com page 6 of 6 company information wall industries, inc. has created custom and modified units for over 50 years. our in - house research and development engineer s will provide a solution that exceeds your performance requirements on - time and on budget. our iso9001 - 2008 certification is just one example of our commitment to producing a high quality, well - documented product for our customers. our past projects demo nstrate our commitment to you, our customer. wall industries, inc. has a reputation for working closely with its customers to ensure each solution meets or exceeds form, fit and function requirements. we will continu e to provide ongoing support for your project above and beyond the design and production phases. give us a call today to discuss your future projects. contact wall industries for further information: phone: ? (603)778 - 2300 toll free: ? (888)59 7 - 9255 fax: ? (603)778 - 9797 e - mail: sales@wallindustries.com web: www.wallindustries.com address: 37 industrial dr . exeter, nh 03833
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