description features technical specifications ? non-isolated ? high efficiency topology ? excellent transient response ? sense and power ok (sie model only) ? surface-mount construction ? voltage trim ? vertical or horizontal mounting ? water washable sip/sie500 dc-dc series data sheet non-isolated, 20 watts page 1 of 2 rev. may 07, 2004 sip/sie non-isolated step-down dc-dc converters deliver high efficiency and excellent transient response in an industry-standard sip package. the sip/sie series has output voltages ranging from 1.2 to 3.3v and up to 6 amps of output current. the sie model has power ok and remote sense pins for added flexibility and improved point-of-load regulation. the sip/sie series is available for vertical or horizontal mounting. the sip/sie series uses 100% surface- mount construction for maximum reliability and features over seven million hours mtbf. voltage range 5 vdc nominal 4.5 - 5.5 vdc input setpoint accuracy 1% line regulation v in min. - v in max., i out rated 1% v out load regulation i out min.- i out max., v in nom. 1% v out ripple and noise, dc - 20 mhz 50 mv pk-pk remote sense headroom 0.25 v current limit protection type foldback current limit threshold range, % of i out rated 120% to 180% short circuit protection type continuous power good signal (sie model only); asserts ?high? when v out is between the following thresholds: lower sense threshold, % vsetpoint -16% to -10% upper sense threshold, % vsetpoint +10% to +16% power good signal reference common ground v out ramp up rate, minimum 0.5v/ms output remote shutdown negative logic switching frequency 330 khz temperature coefficient 0.03%/c ambient operating temperature 0 to +55c minimum required airflow 200 lfm storage range -25 to +120c humidity max., non-condensing 95% vibration, 3 axes, 5 min each 5 g, 10 - 55 hz mtbf ? (bellcore tr-nwt-000332) 7.1 x 10 6 hrs safety ul, cul, tuv weight (approx.) 0.25 oz general sip502.5 76 78 80 82 84 86 88 90 10 20 30 40 50 60 70 80 90 100 load % efficiency % eff. (4.5v) eff. (5v) eff. (5.5v) efficiency vs. load notes ? mtbf predictions may vary slightly from model to model. specifications typically at 25c, normal line, and full load, unless otherwise stated. soldering conditions: i/o pins, 260c, ten seconds; fully compatible with commercial wave-soldering equipment. safety: agency approvals may vary from model to model. please consult factory for specific model information. units are water-washable and fully compatible with commercial spray or immersion post wave-solder washing equipment. nuclear and medical applications - power-one products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the respective divi sional president of power-one, inc. technical revisions - the appearance of products, including safety agency certifications pictured on labels, may change dependin g on the date manufactured. specifications are subject to change without notice.
model input voltage input voltage maximum input output rated output typical (volts) range (volts) current (amps)* voltage (volts) current (amps) efficiency** sip501.2lt 5 4.5 - 5.5 2.3 1.2 6 70% sip501.5lt 5 4.5 - 5.5 2.7 1.5 6 75% sip501.8lt 5 4.5 - 5.5 3.1 1.8 6 77% sip502.1lt 5 4.5 - 5.5 3.5 2.1 6 81% sip502.5lt 5 4.5 - 5.5 4.0 2.5 6 83% sip503.3lt 5 4.5 - 5.5 5.1 3.3 6 87% sie501.2lt 5 4.5 - 5.5 2.3 1.2 6 70% sie501.5lt 5 4.5 - 5.5 2.7 1.5 6 75% sie501.8lt 5 4.5 - 5.5 3.1 1.8 6 77% sie502.1lt 5 4.5 - 5.5 3.5 2.1 6 84% sie502.5lt 5 4.5 - 5.5 4.0 2.5 6 83% sie503.3lt 5 4.5 - 5.5 5.1 3.3 6 87% notes: * maximum input current at minimum input voltage, maximum rated output power. ** at nominal v in , rated output. model selection mechanical drawing sip/sie500 dc-dc series data sheet non-isolated, 20 watts page 2 of 2 rev. may 07, 2004 model numbers highlighted in yellow or shaded are not recommended for new designs. for right-angle pins, add suffix r to model number. (0.64mm) 0.025" sq. (6.40mm) (2.80mm) (14.0mm) ( 63.5mm ) (48.26mm) (2.54mm) (7.10mm) 9 3 0.11" 0.25" 6 78 1 0 1 1 1 2 45 0.55" 0.13" (3.30mm) 0.100" typ. 0.28" 2.50" 1.90" (0.64mm) 0.025" sq. (6.40mm) (2.80mm) (14.0mm) ( 63.5mm ) (48.26mm) (2.54mm) (7.10mm) 9 3 0.11" 0.25" 6 78 1 0 1 1 1 2 45 0.55" 0.13" (3.3mm) 0.10" typ. 0.28" 2.50" 1.90" (0.64mm) 0.025" sq. (2.30mm) (6.90mm) (3.3mm) (14.0mm) (63.5mm) (48.3mm) (7.10mm) (2.5mm) 11 10 5 0.09" 0.27" 9 3 0.13" 6 78 1 2 4 0.55" 0.100" typ. 0.28" 2.50" 1.90" sip model (0.64mm) 0.025" sq. (2.30mm) (6.90mm) (3.3mm) (14.0mm) (63.5mm) (48.3mm) (7.10mm) (2.5mm) 11 10 5 0.09" 0.27" 9 3 0.13" 6 78 1 2 4 0.55" 0.100" typ. 0.28" 2.50" 1.90" sie model natural convection 24.4 c/w 100 lfm 18.3 c/w 200 lfm 15.0 c/w 300 lfm 11.1 c/w 400 lfm 7.9 c/w thermal impedance note: thermal impedance data is dependent on many environmental factors. the exact thermal performance should be validated for specific application. tolerances inches: (millimeters) .xx 0.020 .x 0.5 .xxx 0.010 .xx 0.25 pin: 0.002 0.05 (dimensions as listed unless otherwise specified.) pin function 1+v out 2+v out 3 sense (sie) 4+v out 5 ground 6 ground 7+v in 8+v in 9 pwr ok (sie) 10 trim 11 enable
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