21-jan-11 0.46 (11.68) 0.38 (9.65) 0.02 (0.50) 0.02 (0.50) 0.02 (0.50) 0.08 (2.00) 0.29 (7.50) 0.29 (7.50) 0.10 (2.54) 0.20 (5.08) 0.16 (4.10) 1 2 3 0.01 (0.25) printed face 0.40 (10.16) 0.51 amps ? 3 pin sip 3t switching regulator ? wide input range ? continuous shortcircuit protection ? pin compatible with lm78mxx ? efficiency up to 97% ? 40 c to +85 c operating temperature ? 3 year warranty sr series xppower.com input input voltage range ? see table input current ? see table input reflected ripple ? sr05: 35 ma pk-pk, sr10: 40 ma pk-pk, through 12 h inductor, 5 hz to 20 mhz input filter ? external capacitor (see application notes) output output voltage ? see table minimum load ? no minimum load required line regulation ? 0.5% max load regulation ? 0.6% from 10% to 100% load setpoint accuracy ? 2% turn-on time ? see note 6 ripple & noise ? 60 mv pk-pk with 10% minimum load, 20 mhz bandwidth maximum capacitive ? 220 f load short circuit protection ? indefinite (automatic recovery) temperature coefficient ? 0.02%/?c general efficiency ? see table isolation voltage ? non-isolated switching frequency ? 330 khz typical package style ? 3 pin sip mtbf ? >4.5 mhrs to mil-hdbk-217f at 25 c, gb environmental operating temperature ? sr05: -40 c to +85 c, sr10: -40 c to +60 c, operating humidity ? 95% rh case temperature ? +100 c max storage temperature ? -40 c to +125 c cooling ? convection-cooled 1. all dimensions in inches (mm) 2. weight: 0.004 lbs (1.8 g) 3. pin pitch tolerance: 0.014 (0.35) 4. case tolerance: 0.02 (0.5) 5. efficiency range given for maximum vin to minimum vin 6. for maximum reliability, ensure turn on time is >1 ms by placing a 47 f capacitor between +vin and gnd input voltage no load input current output voltage output current efficiency (5) model number 4.75-34 vdc 10 ma 1.5 v 500 ma 64-79% sr05s1v5 4.75-34 vdc 10 ma 1.8 v 500 ma 66-82% sr05s1v8 4.75-34 vdc 10 ma 2.5 v 500 ma 72-87% sr05s2v5 4.75-34 vdc 10 ma 3.3 v 500 ma 77-91% sr05s3v3 6.50-34 vdc 10 ma 5.0 v 500 ma 83-94% sr05s05 8.00-34 vdc 10 ma 6.5 v 500 ma 85-95% sr05s6v5 9.00-34 vdc 10 ma 7.2 v 500 ma 86-95% SR05S7V2 11.00-34 vdc 10 ma 9.0 v 500 ma 88-96% sr05s09 15.00-34 vdc 10 ma 12.0 v 500 ma 91-96% sr05s12 18.00-34 vdc 10 ma 15.0 v 500 ma 92-97% sr05s15 4.75-18 vdc 15 ma 1.5 v 1000 ma 71-78% sr10s1v5 4.75-18 vdc 15 ma 1.8 v 1000 ma 75-82% sr10s1v8 4.75-18 vdc 15 ma 2.5 v 1000 ma 80-87% sr10s2v5 4.75-18 vdc 15 ma 3.3 v 1000 ma 83-90% sr10s3v3 6.50-18 vdc 15 ma 5.0 v 1000 ma 88-93% sr10s05 mechanical details pin connections pin function 1 +vin 2 gnd 3 +vout application notes input filer to meet class b conducted emissions dc / dc converter gnd +vin +vout c1 l1 + - c2 load c1 l1 c2 470 f, 35 v 6.4 h 470 f, 35 v specification dcdc notes
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