EC7BW18 SERIES 20 WATT 18:1 INPUT ISOLATED DC-DC CONVERTER Features Efficiency up to 90% Fixed Switching Frequency Regulated Outputs Remote On/Off Low No Load Power Consumption Fully protected (OTP/OCP/OVP/UVLO) 3000Vac I/O Isolation Operating Case Temperature -40 to +105 2x1x0.4 Size Meet Industrial Standard CB Test Certificate IEC62368-1 EN55032/EN55035/EN50155 Compliant with External Circuits UL62368-1 2nd (Reinforce Insulation) Approval Shock & Vibration EN50155 (EN61373) Compliant Fire & Smoke EN45545-2 Compliant 5000m Operating Altitude OUTPUT CURRENT INPUT CURRENT % EFF. MODEL INPUT OUTPUT CAPACITOR NUMBER VOLTAGE VOLTAGE LOAD MAX. MIN. MAX. NO LOAD FULL LOAD (1) (2) EC7BW18-72S05 8.5-160 VDC 5 VDC 0 mA 4000 mA 5 mA 323 mA 86 85 6800uF EC7BW18-72S12 8.5-160 VDC 12 VDC 0 mA 1670 mA 8 mA 312 mA 89 88 3300uF EC7BW18-72S15 8.5-160 VDC 15 VDC 0 mA 1330 mA 8 mA 312 mA 89 88 2200uF EC7BW18-72D12 8.5-160 VDC 12 VDC 0 mA 833 mA 8 mA 312 mA 89 88 820F EC7BW18-72D15 8.5-160 VDC 15 VDC 0 mA 667 mA 8 mA 312 mA 89 88 680F EC7BW18-72D24 8.5-160 VDC 24 VDC 0 mA 417 mA 8 mA 309 mA 90 89 330F NOTE: 1. Nominal Input Voltage 72 VDC 2. Measured at 110Vin 3. To meet EN50155 and RIA12 refer to application note. PART NUMBER Nominal Input Nominal Output Series Number of Outputs Remote On/Off Logic Voltage Voltage EC7BW18- II O XX L 05: 5.0VDC S: Single None: Positive 12: 12VDC EC7BW18 72: 72 VDC D: Dual 15: 15VDC N: Negative 24: 24VDC Part Number Example: EC7BW18-72S12N: 2x1, 20W, 18:1 8.5-160Vdc Input, Single 12Vdc Output, Negative Logic www.cincon.com 1 REVISION: V12 EC7BW18 Series TECHNICAL SPECIFICATIONS (All specifications are typical at nominal input, full load at 25 unless otherwise noted.) ABSOLUTE MAXIMUM RATINGS PARAMETER NOTES and CONDITIONS Device Min. Typ. Max. Units Input Voltage Continuous -0.3 160 V All dc Input Surge Voltage 100ms max. V All 200 dc Operating Case Temperature At the center part of case plate All -40 105 Storage Temperature All -55 125 INPUT CHARACTERISTICS PARAMETER NOTES and CONDITIONS Device Min. Typ. Max. Units Operating Input Voltage V All 8.5 72 160 dc Input Under Voltage Lockout Turn-On Voltage Threshold 70% Load V All 8.5 9 9.5 dc Turn-Off Voltage Threshold 70% Load V All 7 7.5 8 dc Lockout Hysteresis Voltage 70% Load V All 1.5 dc V =12V, Full load in Maximum Input Current A All 2.2 V =8.5V, 70% Load in No-Load Input Current V =72V, Io=0A mA in See Model Number Table Input Filter Pi filter. All 2 2 Inrush Current (I t) As per ETS300 132-2. A s All 0.1 Input Reflected Ripple Current P-P thru 12uH inductor, 5Hz to 20MHz. mA All 30 OUTPUT CHARACTERISTICS PARAMETER NOTES and CONDITIONS Device Min. Typ. Max. Units V =72V, Full load, Tc=25 Voltage Set Point Accuracy in % All -1.0 +1.0 Output Voltage Balance V =72V, Full load, Tc=25 % in Dual -1.0 +1.0 Output Voltage Regulation Single 0.2 Load Regulation Full load to no load % Dual 1.0 Line Regulation V =High line to low line, full load % in All 0.2 Cross Regulation Load cross variation 25%/100% % Dual 5.0 Temperature Coefficient Tc=-40 to 105 %/C All 0.02 Output Voltage Ripple and Noise (5Hz to 20MHz bandwidth) 5Vo 75 Peak-to-Peak mV Full load, 1.0uF ceramic capacitors. Others 100 RMS. mV All 40 V = 8.5 to 12V in See Power Derating Curve Output Current Range A V = 12 to 160V in See Model Number Table Over Current Protection Hiccup Mode. Auto recovery % All 110 150 180 Short Circuit Protection Continuous, Auto Recovery. All External Load Capacitance Full load (resistive) uF See Model Number Table Output Voltage Trim Range Pomax rated power, I I Single % o o max -20 +15 5Vo 6.2 12Vo 15 15Vo 18 Over Voltage Protection Zener Clamp V dc 12Vo 15 15Vo 18 24Vo 30 www.cincon.com 2 REVISION: V12