CQB50W8 SERIES 50 WATT 8:1 INPUT ISOLATED DC-DC CONVERTER Features Efficiency Up to 91% 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 Quarter Brick Size Meet Industrial Standard 2 .2 8 x 1 .45 x 0.5 CB Test Certificate IEC62368-1 UL62368-1 2nd (Reinforce Insulation) Approval EN50155 Compliant with External Circuits 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) CQB50W8-36S12 9-75 VDC 12 VDC 0 mA 4.17 A 8 mA 1544 mA 91 90 8000uF CQB50W8-36S15 9-75 VDC 15 VDC 0 mA 3.33 A 8 mA 1542 mA 90 90 6800uF CQB50W8-36S24 9-75 VDC 24 VDC 0 mA 2.08 A 10 mA 1541 mA 90 90 235 0 F CQB50W8-36S28 9-75 VDC 28 VDC 0 mA 1.79 A 10 mA 1547 mA 90 90 235 0 F CQB50W8-36S48 9-75 VDC 48 VDC 0 mA 1.05 A 10 mA 1556 mA 91 90 7 0 0 F NOTE: 1. Nominal Input Voltage 36 VDC 2. Measured at 48Vin 3. An External Input Capacitor 220uF for All Models are Recommended to Reduce Input Ripple Voltage PART NUMBER Nominal Input Number of Nominal Output Remote On/Off Series Mounting Inserts Voltage Outputs Voltage Logic CQB50W8- II O XX L -Y (Option) 12: 12VDC M3x0.5 Mounting 15: 15VDC None: Positive None: Inserts CQB50W8 36: 36 VDC S: Single 24: 24VDC N: Negative -C: Clear Mounting Insert (3.2mm 28: 28VDC DIA.) 48: 48VDC Part Number Example: CQB50W8-36S12N-C: Quarter Brick, 50W, 8:1 9-75Vdc Input, Single 12Vdc Output, Negative Logic, Clear Mounting Insert www.cincon.com 1 REVISION: V10 CQB50W8 Series TECHNICAL SPECIFICATIONS (All specifications are typical at nominal input, full load at 25C unless otherwise noted.) ABSOLUTE MAXIMUM RATINGS PARAMETER NOTES and CONDITIONS Device Min. Typ. Max. Units Input Voltage Continuous -0.3 75 V All dc Input Surge Voltage 100ms max. V All 100 dc Operating Case Temperature At the Center Part of Base Plate C All -40 105 Storage Temperature C All -55 125 INPUT CHARACTERISTICS PARAMETER NOTES and CONDITIONS Device Min. Typ. Max. Units Operating Input Voltage V All 9 36 75 dc Input Under Voltage Lockout Turn-On Voltage Threshold V All 8.4 8.8 9.0 dc Turn-Off Voltage Threshold V All 7.6 8 8.2 dc Lockout Hysteresis Voltage V All 0.8 dc Maximum Input Current V =9V, Full Load. A in All 6.7 No-Load Input Current V =36V, 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 Voltage Set Point Accuracy V =36V, Full Load, Tc=25C % in All -1.0 +1.0 Output Voltage Regulation Load Regulation Full Load to No Load % All 0.2 Line Regulation V =High Line to Low Line, Full Load % in All 0.2 Temperature Coefficient Tc=-40C to 105C %/C All 0.02 Output Voltage Ripple and Noise (5Hz to 20MHz bandwidth) 12Vo 150 15Vo 150 Peak-to-Peak mV 24Vo 240 28Vo 240 48Vo 480 Full load, 22uF aluminum solid capacitor and 1uF ceramic capacitors 12Vo 80 15Vo 80 RMS. mV 24Vo 120 28Vo 120 48Vo 220 Output Current Range V = 9 to 75V A in See Model Number Table Over Current Protection Hiccup Mode. Auto Recovery. % All 110 150 210 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 All % o o max -20 +15 Pomax rated power, I I Output Voltage Remote Sense o o max All % +15 Range % of nominal Vo Over Voltage Protection Limited Voltage, % of Nominal Vo All % 117 125 140 www.cincon.com 2 REVISION: V10