0RHB-Q2T53X

ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. RoHS Compliant PRELIMINARY Rev.D       Fixed Frequency OCP/SCP Over Temperature Protection Remote On/Off Output Voltage Trim Basic Insulation 0RHB-Q2T53x        Isolated High Efficiency High Power Density Low Cost Input Under Voltage Lockout Output Over-Voltage Shut Down Class 2, Category 2, Isolated DC/DC Converter (refer to IPC-9592) Description The 0RHB-Q2T53x is isolated DC/DC converters that operate from a nominal 48 Vdc source. These units will provide up to 424W 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 input undervoltage lockout. This converter is provided in an industry standard half- brick package. Part Selection Output Voltage 53 Vdc Input Voltage 48 Vdc Max. Output Current 8A Max. Output Power 424W Typical Efficiency 94% Model Number Active High 0RHB- Q2T530 Model Number Active Low 0RHB- Q2T53L 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 (continuous) Remote On/Off I/O Isolation Voltage Ambient Temperature Storage Temperature Min -0.3 V -0.3 V -40 C -55 C Typ Max 80 V 18 V 1500 V 85 C 125 C Notes Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (rms) I t Inrush Current Transient Turn-on Voltage Threshold 2 Turn-off Voltage Threshold 2 2 Min 36 V 33 V 32 V Typ 48 V 80 mA 20 mA - Max 72 V 12.6 A 120 mA 30 mA 200 mA 1A s 35 V 34 V 2 Notes Tested with simulated source impedance of 12 uH, 5 Hz to 20 MHz; Use 150 uF/100 V electrolytic capacitor with ESR=1 ohm max, at 200 kHz@25°C. 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 1 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Output Specifications Parameter Output Voltage Set Point Line Regulation Load Regulation Regulation Over Temperature (-40deg.C-85deg.C) Ripple and Noise (pk-pk) Ripple and Noise (rms) Output Current Range Output DC Current Limit Turn On Time Overshoot at Turn on Output Capacitance Transient Response 50% ~ 75% of Max Load Settling Time 75% ~ 50% of Max Load Settling Time 800 mV 800 uS 800 mV 800 uS di/dt=0.1 A/us, Vin=48 Vdc, Ta=25°C, with a 1µF ceramic capacitor and 300 uF low ESR aluminum capacitor output. Min 52.0 V 0A 9A 300 uF 80 mS 0% Typ 53.0 V Max 54.0 V 100 mV 100 mV 600 mV 300 mV 60 mV 8A 12A 150 mS 3% 1000 uF Notes Vin=48 V, Io=50%load Note: All specifications are typical at nominal input, full load at 25°C with a 1µF ceramic capacitor and a 300uF Aluminum cap at output unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency Input to Output Input to Case Output to Case Output Voltage Trim Range Isolation Capacitance Over Temperature Protection Over Voltage Protection FIT Dimensions Inches millimeters Weight 2.28 x 2.40x 0.512 57.91 x 60.96 x 13.00 110 g Min 92.5% 42 V 57 V Typ 94% 275 kHz 105 ℃ 258 Max 1500 V 500 V 1500 V 56 V 15 nF 60 V It’s the temperature of baseplate. Calculated Per Bell Core SR-332 (Vin=48 V, Vo=53 V, Io=8 A, Ta = 25C, 9 FIT=10 /MTBF) Notes Vin=48 V, full load , 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 2 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Note: 1.When Remote On/Off pin is open, for active low option, unit is off; for active high option, unit is on. 2. The efficiency is measured at Vin=48V, full load and Ta=25°C. 3.Test the temperature of baseplate. 4. All specifications are typical at nominal input, full load at 25°C unless noted. Control Specifications Parameter Remote On/Off Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Current Sink Active High Active Low -0.3 V 2.4 V -0.3 V 2.4 V 0 mA 0.8 V 18 V 0.8 V 18 V 2 mA The remote on/off pin open, Unit off. The remote on/off pin open, Unit on. Min Typ Max Notes Output Trim Equations Equations for calculating the trim resistor are shown below. The Trim Down resistor should be connected between the Trim pin and Ground 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. (100  delta )  Vo (100  2  delta) Rtrimup   k 1.225  delta delta Vout Module Trim GND Rtrimup Rtrimdown  100  2 k   delta Vout Module Trim GND Rtrimdown delta  Vo _ req  Vo   100 %  Vo Note:Vo_req=Desired (trimmed) output voltage[V] Output voltage Vo=53.000 V Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 3 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Efficiency Data 95.0% E F F IC IE N C Y 90.0% 85.0% 80.0% 75.0% 70.0% 2.00 4.00 6.00 8.00 OUTPUT CURRENT(A) 36 V 48 V 72V Thermal Derating Curve Vin=48V, with addition heatsink and with maximum junction temperature of semiconductors derated to 120C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 4 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Ripple and Noise Waveforms 36 Vdc input, 53 Vdc/8 A output 48 Vdc input, 53 Vdc/8 A output 72 Vdc input, 53 Vdc/8 A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 300 uF AL cap at output , and Ta=25 deg C. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 5 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Transient Response Waveforms Vout=53V, 50% to 75% Load Transients Vout=53 V, 75% to 50% Load Transients Note: Transient response at di/dt=0.1 A/uS, with external 300uF AL Cap and 1uF Ceramic Cap. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 6 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Mechanical Outline Pin Connections pin function 1 2 3 4 Vin(+) Enable Case Vin(-) pin size 0.040" 0.040" 0.040" 0.040" pin function 5 6 7 8 9 Vo(-) NC Trim NC Vo(+) pin size 0.080" 0.040" 0.040" 0.040" 0.080" Note: Pin 6 and 8 are reserved for differential remote sense (+/ - sense). No connection is needed to the pins if this feature is not needed. They are connected internal to the units respective output nodes thru low impedance resistors. Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302  Tel 201-432-0463  Fax 201-432-9542  www.belfuse.com 7 ISOLATED DC/DC CONVERTERS 48 Vdc Input Sep. 19, 2011 53 Vdc/8 A Output Bel Power, Inc. , a subsidiary of Bel Fuse, Inc. Revision History Date 2011-07-22 2011-07-28 2011-08-29 2011-09-19 Revision PA PB PC PD First release Changes Detail Approval YF Sun YF Sun YF Sun YF Sun Change Pin6 and Pin8 to NC. Change the ambient temperature. Updated maximum height to 13mm and change in mechanical drawing in the bottom of figure. Updata the Ripple and Noise, Input current (no load), Mechanical Outline, Output Trim Equations and Vout setpoint RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. 2011 Bel Fuse Inc. Specifications subject to change without notice.091911 8 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