ISOLATED DC/DC CONVERTERS 38 Vdc - 55 Vdc Input 53 Vdc/8 A Output HBW53V08MRG RoHS Compliant PRELIMINARY Rev.A • Fixed Frequency (270 kHz) • Output Over-Voltage Shutdown • Isolated • Over Temperature Protection • High Efficiency • SCP/OCP • Low Cost • Basic Insulation • Input Under/Over-Voltage Lockout • Remote On/Off • Excellent Thermal Performance • Output Voltage Trim Description The HBW53V08MRG is an isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit provides up to 424 W of output power from a nominal 48 Vdc input. This unit is designed to be highly efficient and low cost. The converter is provided in an industry standard half brick package. Part Selection Output Voltage 53 Vdc Input Voltage 38 Vdc - 55 Vdc Max. Output Current 8A Max. Output Power 424 W Typical Efficiency 93% Model Number HBW53V08MRG 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. Absolute Maximum Ratings Parameter Input Voltage Min -0.3 V Typ - Max 65 V Remote On/Off -0.3 V - 5V I/O Isolation Voltage 2250 V - - Ambient Temperature -40 °C - 100 °C Storage Temperature -55 °C - 125 °C Notes Input Specifications Parameter Input Voltage Input Current (no load) Input Current (full load) Remote Off Input Current Input Reflected Ripple Current (pk-pk) Input Reflected Ripple Current (rms) Min 38 V - Typ 48 V 70 mA 10 mA Max 55 V 100 mA 12.5 A 20 mA - 20 mA 40 mA - 5 mA 10 mA Turn-on Voltage Threshold 34 V 36 V 37.5 V Input Under Voltage Threshold Input Over Voltage Threshold 33 V 56 V 35 V - 36.5 V 60 V Notes With simulated source impedance of 12 uH, 5 Hz to 20 MHz; use a 100uF/100 V electrolytic capacitor with ESR = 1 ohm max, at 200 kHz Note: 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 38 Vdc - 55 Vdc Input 53 Vdc/8 A Output Output Specifications Parameter Output Voltage Set Point Min 52.5 V Typ 53 V Max 53.5 V Load Regulation - 0.1%Vo 0.3%Vo Line Regulation - 0.1%Vo 0.3%Vo Regulation Over Temperature (-40deg.C-85deg.C) - - 0.02%Vo Output Current Range 0A - 8A Output DC Current Limit 9A - 12 A Ripple and Noise (rms) - 50 mV 80 mV Ripple and Noise (pk-pk) - 160 mV 250 mV Short Circuit Protection - - - Turn On Time - - 90 mS Rise Time - - 80 mS Overshoot at Turn on and off - 0% 3% 200 uF - 1000 uF Overshoot - 400 mV 800 mV Settling Time - 400 uS 600 uS Overshoot - 400 mV 800 mV Settling Time - 400 uS 600 uS Output Capacitance Notes Vin=48 V, Io=50%load 0 - 20 MHz BW, with 1 uF ceramic capacitor and a 200 uF Aluminum capacitor at output Latched Transient Response △V25% - 75% of Max Load △V75% - 25% of Max Load di/dt=0.1 A/us, Vin=48 Vdc, Ta=25 °C, with a 1µF ceramic capacitor and a 200 uF Aluminum cap at output. Note: All specifications are typical at nominal input, full load at 25°C with a 1µF ceramic capacitor and a 200uF Aluminum cap at output unless otherwise stated. General Specifications Parameter Min 92% Typ 93% Max - Switching Frequency 240 kHz 270 kHz 300 kHz Isolation Capacitance - 4400 pF - Remote Sense Compensation - - 1V 42 V - 56 V - 100 ℃ - 56 V - 59 V Efficiency Output Voltage Trim Range Over Temperature Protection Over Voltage Protection MTBF TBD Notes Vin=48 V, full load Vin=48 V, full load Calculated Per Bell Core SR-332 (Vin=48 V, Vo=normal, Io=80%load, Ta = 25 °C) Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 2.30 x 2.40 x 0.49 58.42 x60.96 x 12.44 - 88 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 38 Vdc - 55 Vdc Input 53 Vdc/8 A Output Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Active Low Min Typ Max Notes -0.3 V - 0.6 V 2.4 V - 5V The remote on/off pin open, Unit Off. Output Trim Equations Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and GND pin. The Trim Up resistor should be connected between the Trim pin and the Vout. Only one of the resistors should be used for any given application. Vout (100 + delta ) ⋅ Vo (100 + 2 ⋅ delta) Rtrimup = − [kΩ] 1.225 ⋅ delta delta Rtrimdown = 100 − 2[kΩ] delta Module Trim GND Vout Module Trim GND Note: delta = Rtrimup (Vo _ req − Vo ) × 100 [% ] Vo Vo_req=Desired(trimmed) output voltage[V] Output voltage Vo=53 V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com Rtrimdown ISOLATED DC/DC CONVERTERS 38 Vdc - 55 Vdc Input 53 Vdc/8 A Output Efficiency Data Efficiency Curve 95.0% Efficiency 90.0% 85.0% 38 V 48 V 55 V 80.0% 75.0% 70.0% 65.0% 60.0% 0.80 2.00 4.00 6.00 8.00 Output Current(A) Thermal Derating Curve heatsink for above thermal test 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 38 Vdc - 55 Vdc Input 53 Vdc/8 A Output Ripple and Noise Waveform 48 Vdc input, 53 Vdc/8 A outputt Note: Ripple and noise at full load, with a 1uF ceramic cap and a 200 uF/100 V Aluminum cap at output, Ta=25 deg C. Transient Response Waveforms Vout= 53 V 25%-75% Load Transient Vout= 53 V 75%-25% Load Transient Note: Transients at di/dt=0.1 A/us, Vin=48 Vdc, Ta=25℃ and with a 1uF ceramic cap and a 200 uF/100 V Aluminum cap at 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 38 Vdc - 55 Vdc Input 53 Vdc/8 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 9 Function Vin(+) On/Off Case Ground Vin(-) Vo(-) Sense(-) Trim Sense(+) Vo(+) Pin Size 0.04’’ 0.04’’ 0.04’’ 0.04’’ 0.08’’ 0.04’’ 0.04’’ 0.04’’ 0.08’’ RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ©2007 Bel Fuse Inc. Specifications subject to change without notice. 051507 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