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SMSA283R3SKR Datasheet(PDF) 2 Page - Crane Aerospace & Electronics. |
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SMSA283R3SKR Datasheet(HTML) 2 Page - Crane Aerospace & Electronics. |
2 / 14 page Operating COnditiOns and CharaCteristiCs input Voltage range 16 to 40 VdC continuous • 50 V for up to 50 msec transient • output power 5 watts • lead soldering temperature (10 sec per lead) 300°C • storage temperature range (case) -65°C to +135°C • case operating temperature (tc) -55°C to +125°C full power • -55°C to +135°C absolute • derating output power/current (tc) linearly from 100% at 125°C to 0% at 135°C • output Voltage temperature coefficient 100 ppm/°C typical • input to output capacitance 50 pF typical • isolation 100 megohm minimum at 500 VdC • any pin to case, except case pin • audio Rejection • 50 dB typical • conversion Frequency 500 kHz typical • 450 kHz min, 600 kHz max • inhibit active low (output disabled) • Active low voltage ≤0.8 V max - inhibit pin current 4 ma max - Referenced to input common - active high (output enabled) • open collector - open pin voltage, 9 - 11 Volts - meChaniCal and envirOnmental size (maximum) 1.075 x 1.075 x 0.270 inches (27.31 x 27.31 x 6.86 mm) • see case C1 for dimensions. • Weight (maximum) 15 grams typical • screening space Prototype (o), Class H, or Class K are radiation tolerant to Radiation Hardness assurance (RHa) levels of “-” (o) or “R”, per mil-sTd-38534. interpoint model numbers use an “o” in the RHa designator position to indicate the “-” (dash) Radiation Hardness assurance level of mil-PRF-38534, which is defined as “no RHa”. see “Class H and K, mil-PRF-38534 screening” tables for more information. available configurations: oo, HP, KP, HR, KR Positive Input Inhibit PWM Control Negative Output Output Common Positive Output Input Common Case Ground 6 5 7 8 1 2 3 Feedback Output Filter Input Filter Output Filter Error Amp SMSA SINGLE AND DUAL = DUAL OUTPUT VRef Figure 1: SmSa blOCk Diagram Crane Aerospace & Electronics Power Solutions sMsa single and dual dc/dc converters Page 2 of 14 28 Volt input – 5 Watt - pending reVision F release www.interpoint.com Rev F - 20090318 - Pending Revision F Release |
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