ISOLATED DC/DC CONVERTERS 48 Vdc Input 12 Vdc / 33 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Sep. 03, 2010 0RQB-Q0T12C RoHS Compliant Rev. F • Basic Isolation • Low Cost • Fixed Frequency (300 kHz) • SCP/OCP • High Efficiency • Remote On/Off • High Power Density • Over Temperature Protection • Input Under Voltage Lockout • Output Over Voltage Protection • Input Over Voltage Lockout • Baseplate Description The 0RQB-Q0T12C is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide up to 400 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and low cost. Features include remote on/off, over current protection and over voltage protection. The converter is provided in an industry standard quarter brick package. Part Selection Output Voltage 12 Vdc Input Voltage 36 Vdc - 75 Vdc Max. Output Current 33 A Max. Output Power 400 W Typical Efficiency 95% Model Number Active Low 0RQB-Q0T12C Notes: 1. Add “G” suffix at the end of the model number to indicate Tray Packaging. 2. The part number above indicates RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. Absolute Maximum Ratings Parameter Input Voltage (continuous) Min -0.3 V Typ - Max 75 V Notes - - 100V Operating for 100mS -0.3 V - 18 V Input voltage Transient protection Remote On/Off I/O Isolation Voltage - - 1500 V Ambient Temperature -40 °C - 85 °C Storage Temperature -55 °C - 125 °C Note: All specifications are typical at 25 °C unless otherwise stated. Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) Min 36 V - Typ 48 V 80 mA 10 mA Max 75 V 13 A 150 mA 20 mA Notes - 20 mA 30 mA - 5 mA 10 mA With simulated source impedance of 10 uH, 5 Hz to 20 MHz; use a 100 uF/100 V electrolytic capacitor with ESR = 1 ohm max, at 200 kHz. I t Inrush Current Transient - - 1AS Turn-on Voltage Threshold Turn-off Voltage Threshold 33 V 32.5 V 34.5 V 33.5 V 35.5 V 35 V 1 2 Notes: 1. Should place at least 220uF/100V electrolytic capacitor directly adjacent to the input pin of the module. 2. All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. 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 12 Vdc / 33 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Sep. 03, 2010 Output Specifications Parameter Min Typ Max 11.5 V 12 V 12.5 V Load Regulation - ±150 mV ±300 mV Line Regulation - ±80 mV ±130 mV Regulation Over Temperature (-40 °C to 85 °C) - ±150 mV ±250 mV Ripple and Noise (pk-pk) - 85 mV 120 mV Ripple and Noise (rms) - 25 mV 50 mV Output Voltage Set Point Notes Vin=48 V, Io=50%Load. 0 - 20 MHz BW, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output. Output Current Range 0A - 33 A Output DC Current Limit 34 A 38 A 44 A - - 5A s - 30 mS 60 mS Enable form Vin - 10 mS 35 mS Enable form ON/OFF - 0% 3% 0 uF - 10000 uF Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance 2 Transient Response 50% ~ 75% Max Load 75% ~ 50% Max Load Overshoot - 300 mV 600 mV Settling Time - 300 uS 500 uS - 300 mV 600 mV - 300 uS 500 uS Overshoot VO=12 V Settling Time di/dt=0.1A/us, Vin=48 Vdc, Ta=25 °C, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output. Note: All specifications are typical at nominal input, full load at 25 °C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency Min 93% Typ 95% Max - - 300 kHz - - - 1500 V 10M Ohm - - - 2200 pF - Notes Vin=48 V, full load. Isolation characteristics Input to Output Isolation Resistance Isolation Capacitance Over Voltage Protection (static) Over Temperature Protection 13 V 15.5 V 17 V - 125 °C 130 °C MTBF Calculated Per Bell Core SR-332 (Vin=48 V, Vo=12 V, Io=80%load, Ta = 25 °C) 1,745,053 hours Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight - 2.30 x 1.45 x 0.47 58.42 x 36.83 x 11.86 50.3 g - Note: All specifications are typical at 25 °C unless otherwise stated. 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 12 Vdc / 33 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Sep. 03, 2010 Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Min Active Low Current Sink Typ Max -0.3 V - 0.8 V 2.4 V - 18 V 0 mA - 0.75 mA Notes The Remote On/Off pin is open, Unit off. Efficiency Data EFFICIENCY 98.00% 96.00% 94.00% 92.00% 36 V 90.00% 88.00% 48 V 60 V 86.00% 84.00% 82.00% 80.00% 3.30 8.25 16.50 24.75 33.00 OUTPUT CURRENT(A) Thermal Derating Curve Test @Vin=48V,with maximum junction temperature of semiconductors derated to 120℃ 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 12 Vdc / 33 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Sep. 03, 2010 Ripple and Noise Waveform 48 Vdc input, 12 Vdc/33 A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 10 uF tantalum cap at output, Ta=25 deg C. Transient Response Waveforms Vout= 12 V 50%-75% Load Transients Vout= 12 V 75%-50% Load Transients Note: Transients at di/dt=0.1 A/us, with a 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output, Ta=25 °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 12 Vdc / 33 A Output Sep. 03, 2010 Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline Pin Connections pin# 1 2 3 4 5 function Vin (+) ON/OFF Vin (-) Vout (-) Vout (+) pin size 0.04" 0.04" 0.04" 0.06" 0.06" 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 12 Vdc / 33 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Sep. 03, 2010 Revision History Date Revision Changes Detail Approval 2010-01-21 C Add recommended Reflow Profile. XF Jiang 2010-04-21 D 1. Update load/line regulation; 2. update mechanical outline(pin header standoff height) XF Jiang 2010-04-23 E 1. Remove the word “this product can pass through a paste in hole reflow process” from “Description”. 2. Remove the page of Reflow Profile XF Jiang 2010-09-03 F 1. Update turn-on/turn-off voltage threshold in input specifications; 2. Update ripple and noise (pk-pk) and transient response in output specifications; 3. Update over voltage protection and MTBF in general specifications; 4. Update TD, NR, TR and mechanical outline. XF Jiang RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2010 Bel Fuse Inc. Specifications subject to change without notice. 090310 CORPORATE FAR EAST EUROPE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com 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 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