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| ISOLATED DC/DC CONVERTERS 48 VDC Input 9.4 VDC/36 A Output, 1/4 Brick 0RCM-36S10L * * * * RoHS Compliant Industry standard quarter-brick package Up to 300 W at 96% efficiency 1500 V isolation Safety Agency Approvals Description The 0RCM-36S "Cimarron" Series are isolated DC/DC converters that operate from a nominal 48 V DC source. These converters use a full bridge power train to provide isolation and step down. These units will provide up to 300 W of output power from a nominal 54 VDC input. These units are designed to be highly efficient and low cost. Features include remote on/off, over current protection and under voltage lockout. These converters are provided in an industry standard quarter-brick package. Part Selection Output Voltage 9.4 V Input Voltage 48 V Max. Output Current 36 A Max. Output Power 300 W Typical Efficiency 96% Model Number 0RCM-36S10L Notes: 1. Add "G" suffix at the end of the model number to indicate Tray Packaging. 2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers Input Specifications Parameter Input Voltage Range Input Current (no load) Input Current (full load) Reflected Ripple Current (rms) Under-voltage Lockout Turn-on Turn off Over-voltage Lockout 35.3 V 34.0 V 57.1 V Min 36 V Typ 48 V Max 55 V 120 mA 7.2 A 200 mA Notes See figure 1 for measurement technique Output Specifications Parameter Output Voltage 36Vin 48Vin 55Vin Output Current Output Power Load Regulation Ripple and Noise (pk-pk) Load Capacitance Min 0A 88 uF Typ 7.1 V 9.4 V 10.8 V Max 36 A 300 W 0.4 V 175 mV 3000 uF Notes Setpoint at no load. 0 to 20MHz BW, use 4 x 22 uF ceramic caps on output Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48 VDC Input 9.4 VDC/36 A Output, 1/4 Brick Output Specifications (continued) Parameter Transient Response Max deviation Recovery to within 1% Min Typ 150 mV 50 uS Max 250 mV 100 uS Notes di/dt =0 .1 A/uS, Vin =48 V Ta = 25 C, 25% load change. General Specifications Parameter Switching Frequency Operating Temperature Non-Operating Temperature Weight Overtemp Shutdown Dimensions Inches (L x W x H) Millimeters (L x W x H) Protection Features Short circuit Over current Undervoltage Overvoltage Remote On/Off Active Low Active High Turn on delay Outupt voltage rise time Safety Agency Approvals (pending) Min -40 C -55 C Typ 128 kHz TBD 135 C 2.28 x 1.45 x .477 57.9 x 36.8 x 12.1 UVLO Vin < 35.0 OVSD Vin>57.0 Latching 110% to 125% max Io 0V 2.0 V 3.0 ms 5.0 ms 0.4 V 20 V Max 85 C 125 C 10 C hysteresis, measured on Q4 fixed Notes UL / cUL Recognized Certified to EN60950 Derating @ 38VDC Input 40 35 30 Output Current 25 20 15 10 5 100LFM Natural convection 200LFM Figure 1: Measurement circuit for reflected ripple current. 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature C Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48 VDC Input 9.4 VDC/36 A Output, 1/4 Brick Thermal Images Test Conditions: Input Voltage: 39 V Output current: 32 A Output power: 240 W Airflow: 200 lfm Ambient: 55 C *>110.0C Air Flow 110.0 90.0 70.0 *<70.0C Top side *>110.0C Air Flow 110.0 90.0 70.0 *<70.0C Bottom side Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com ISOLATED DC/DC CONVERTERS 48 VDC Input 9.4 VDC/36 A Output, 1/4 Brick Mechanical Drawing RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2008 Bel Fuse Inc. Specifications subject to change without notice. 121808 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F/ 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com |
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