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DCQEB50-24S3.3 Datasheet(PDF) 2 Page - Wall Industries,Inc. |
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DCQEB50-24S3.3 Datasheet(HTML) 2 Page - Wall Industries,Inc. |
2 / 5 page Rev B DCQEB50 Series 50W, Single Outputs Quarter-Brick Package DC/DC Power Converters Wall Industries, Inc. 37 Industrial Drive Exeter, NH 03833 03/09/2012 603-778-2300 www.wallindustries.com Fax 603-778-9797 Page 2 of 5 SPECIFICATIONS: DCQEB50 SERIES All specifications are based on 25°C, Nominal Input Voltage, and Maximum Output Current unless otherwise noted. We reserve the right to change specifications based on technological advances. SPECIFICATION TEST CONDITIONS Min Nom Max Unit INPUT SPECIFICATIONS Input Voltage Range 24VDC nominal input models 18 24 36 VDC 48VDC nominal input models 36 48 75 Start-up Voltage 24VDC nominal input models 18 VDC 48VDC nominal input models 36 Shutdown Voltage 24VDC nominal input models 15 VDC 48VDC nominal input models 32 Input Surge Voltage 24VDC nominal input models 100ms 50 VDC 48VDC nominal input models 100 Input Current See Table Input Filter L-C Type OUTPUT SPECIFICATIONS Output Voltage See Table Line Regulation Low line to high line at full load -0.2 +0.2 % Load Regulation No load to full load -0.3 +0.3 % Voltage Accuracy -1.5 +1.5 % Voltage Adjustability (See Note 5) -20 +10 % Output Power See Table Output Current See Table Minimum Load 0 % Ripple & Noise Measured at nominal input and full load with 20MHz BW and 1µF M/C and 10µF T/C capacitors in parallel. 100 mVp-p Transient Response Recovery Time 25% load step change 200 µs Start-Up Time Power Up Nominal input and constant resistive load 25 ms Remote ON/OFF 25 ms Remote Sense (See Note 5) 10 % Vo Temperature Coefficient -0.02 +0.02 %/°C PROTECTION Over Voltage Protection Threshold Non-latching Hiccup 120 % Vo Over Current Protection Threshold 110 140 % Io Short Circuit Protection Hiccup, automatic recovery Over Temperature Protection +110 °C GENERAL SPECIFICATIONS Efficiency Nominal input and full load See Table Switching Frequency 243 270 297 KHz Isolation Voltage Input to Output For 1 minute 1600 VDC Input to Base-plate For 1 minute 1000 VDC Output to Base-plate For 1 minute 1000 VDC Isolation Resistance 10 M Ω Isolation Capacitance 2500 pF REMOTE ON/OFF (See Note 6) Positive Logic (standard) DC/DC ON Open or 3V < Vr < 15V DC/DC OFF Short or 0V < Vr < 1.2V Negative Logic (optional) DC/DC ON Short or 0V < Vr < 1.2V DC/DC OFF Open or 3V < Vr < 15V Input Current of Remote Control Pin Nominal input -0.5 1 mA Remote Off Input Current Nominal input 2.5 mA ENVIRONMENTAL SPECIFICATIONS Operating Base-Plate Temperature (See Note 7) -40 +100 °C Storage Temperature -55 +125 °C Relative Humidity Non-condensing 5 95 % RH Thermal Shock MIL-STD-810F Vibration MIL-STD-810F MTBF (See Note 1) BELLCORE TR-NWT-000332 2,500,000 Hours MIL-HDBK-217F 356,800 Hours PHYSICAL SPECIFICATIONS Weight 1.46oz (42g) Dimensions (L x W x H) 2.28 x 1.45 x 0.50 inches (57.9 x 36.8 x 12.7 mm) Case Material Aluminum base-plate SAFETY & EMC CHARACTERISTICS Safety Approvals UL60950-1, IEC60950-1, EN60950-1 (DCQEB50-48S1.8, 48S2.5, 48S3.3, and 48S05 have approvals; approvals pending for all other models) EMI (See Note 8) EN55022 Class A Radiated Immunity EN61000-4-3 10 V/m Perf. Criteria A Fast Transient (See Note 9) EN61000-4-4 ±2KV Perf. Criteria B Surge (See Note 9) EN61000-4-5 ±1KV Perf. Criteria B Conducted Immunity EN61000-4-6 10 Vrms Perf. Criteria A |
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