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VHK75W-Q48-S5 Datasheet(PDF) 4 Page - CUI INC |
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VHK75W-Q48-S5 Datasheet(HTML) 4 Page - CUI INC |
4 / 9 page cui.com CUI Inc │ SERIES: VHK75W │ DESCRIPTION: DC-DC CONVERTER date 12/16/2013 │ page 4 of 9 DERATING CURVES 0.00% 20.00% 40.00% 60.00% 80.00% 100.00% 120.00% -403540455055606570758085 Ambient Temperature - degrees C Natural Convection 0.5 m/S (100LFM) 1.0 m/S (200LFM) 1.5 m/S (300LFM) 2.0 m/S (400LFM) 2.5 m/S (500LFM) 3.0 m/S (600LFM) 3.5 m/S (700LFM) VHK75W Power Derating Curves At Nominal Input EMC RECOMMENDED CIRCUITS Figure 1 Figure 2 Recommended Circuit for EN55022 Class A (for all 3.3, 5, 12, 15, & 24 Vdc output models) EN55022 CLASS A Table 1 TEST CONFIGURATION C1 Cin L1 To Oscilloscope +Vin -Vin +Vo -Vo R-Load Vin + - Note: Input reflected-ripple current is measured with an inductor L1 and Capacitor C1 to simulate source impedance. External components L1 12μH C1 220μF, ESR < 0.1Ω at 100 KHz Cin 100μF, ESR < 0.1Ω at 100 KHz C4 DC/DC Converter CASE +Vo -Vo +Vin C1 -Vin L2 C3 C2 L1 +Vo -Vo +Vin -Vin -S +S For more information, please visit the product page. |
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