input parameter conditions min. typ. max. units input voltage range see note 1 85 264 vac 100 400 vdc input frequency 47 63 hz input current see model selection guide inrush current, see note 1 115 vac 10 a 230 vac 20 leakage current 50 a output parameter conditions min. typ. max. units output voltage see model selection guide output current see model selection guide output voltage accuracy ?.0 % line regulation v in = 10% to 100% ?.5 % load regulation see note 2 ?.0 % ripple & noise (20 mhz) 3.3v and 5v output models 50 mv pk - pk all other models 100 hold time, see note 1 115 vac 16 ms 230 vac 40 temperature coef cient ?.02 %/? short circuit protection continuous (autorecovery) over temperature protection see note 3 150 ? general parameter conditions min. typ. max. units isolation voltage input to output, 60 sec 2,000 vac switching frequency 100 khz environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 ? operating temperature range case +90 ? storage temperature range -40 +105 ? cooling free air convection (see derating curve) humidity rh, non-condensing 85 % physical case size 1.38 x 0.42 x 0.87 inches (35.0 x 10.6 x 22.5 mm) case material non-conductive epoxy (ul94-v0) weight 1.24 oz (35g) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25?, gnd benign 300 khours safety class iec 61140 class ii single output, 3w ultra-miniature sip ac/dc power supplies key features: 3w output power universal 85-264 vac input 100 - 400 vdc input meets iec safety class ii -40? to +85? operation single regulated output >300 khour mtbf ultra-miniature sip case MPS-03 series electrical speci cations speci cations typical @ +25?, 230 vac input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com www.micropowerdirect.com
model selection guide mechanical dimensions notes: all dimensions are typical in inches (mm) tolerance x.xx = 0.01 ( 0.25) pin function 1 +vin (ac-line) 3 cap 7 -vin (ac-neutral) 10 -vout 12 +vout pin connections notes: 1. speci ed with a c4 (see typical connection diagram at right) value of 22 uf/400v. a high frequency, low impedance electrolytic capacitor should be used. for use with an ac input, c4 must be installed. 2. load regulation is measured for an output change of 10% to 100% at nominal input line. 3. the unit will shut down when the over temperature protection is triggered. the unit will restart when the ambient operating temperature falls below 85?. 4. it is recommended that a fuse be used on the input of a power supply for protection. for the MPS-03 series, a 0.5a/250 vac slow blow should be used. model number input output ef ciency (%, typ) current (ma) voltage (vdc) current (ma) MPS-03s-03 40 3.3 500 70 MPS-03s-05 40 5.0 500 70 MPS-03s-09 40 9.0 330 75 MPS-03s-12 40 12.0 250 78 MPS-03s-15 40 15.0 200 78 MPS-03s-24 40 24.0 125 78 typical connection the diagram above illustrates a typical application connection of the MPS-03 series. the top diagram illustrates a dc/dc converter connection while the bottom diagram show the unit connected as an ac/dc power supply. notes on these circuits are: 1. to maintain clearance and creepage distances (for class i & class ii devices) the board layout should guarantee the following spacing between the l and n inputs (before the fuse): clearance - 2 mm creepage - 2.5 mm 2. the recommended fuse is a 0.5a/250v slow blow. 3. for emi sensitive applications, the input ltering circuit (inside the dotted boxes of the ac circuit) may be added. the lter consists of: c x : capacitor c 1 is 0.1 f/275v c y : capacitors c 2 and c 3 are 220 pf/2000v t 1 : common mode choke, uu9.8 or ring core. inductance is about 10 mh to 30 mh & wire diameter of 0.22 mm. 4. the mov is required for surge protection. recommended is a 471kd07. 5. the input storage capacitor (c 4 ) is a low esr electrolytic with a rating of 22 f /400v. this capacitor must be used for operation with an ac input. 6. the output ltering capacitor (c 5 ) is a high frequency, low resistance electrolytic capacitor. a ceramic capacitor (c6) is used to lter high frequency noise. recommended values are given in the table at right. 7. the tvs is recommended to protect application circuitry in the event of a fault. recom- mended values are given in the t able above. derating curve micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 tel: (781) 344-8226 fax: (781) 344-8481 e-mail: sales@micropowerdirect.com v out c 5 (f/v) c 6 (f/v) tvs 3.3 150/25 0.1/50 p4ke6.8a 5.0 150/25 0.1/50 p4ke6.8a 9.0 150/25 0.1/50 p4ke12a 12.0 150/25 0.1/50 p4ke20a 15.0 100/35 0.1/50 p4ke20a 24.0 100/35 0.1/50 p4ke33a www.micropowerdirect.com
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