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| ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. RoHS Compliant * * * * * * * 0RQ1-T0T12x Features * * * * * * * * * * Isolated High Efficiency Fixed Frequency (270 kHz) High Power Density Rev.C Output Over Voltage Shutdown Output Voltage Trim Over Temperature Protection SCP/OCP Low Cost Basic Insulation Remote On/Off Input Under Voltage Lockout Input Over Voltage Lockout Positive/Negative Remote Sense Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592) TUV EN60950-1 Recognized (Pending) UL60950-1 Recognized (UL/cUL) (Pending) Applications * * * Networking Computers and peripherals Telecommunications Description The 0RQ1-T0T12x are isolated dc/dc converters that operate from a nominal 48 Vdc source. These units will provide up to 300 W output power from a nominal 48 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 12 Vdc Input Voltage 36 Vdc - 75 Vdc Max. Output Current 25 A Max. Output Power 300 W Typical Efficiency 95% Model Number Active Low 0RQ1-T0T12L Model Number Active High 0RQ1-T0T120 Notes: Add "G" suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation 0 R Q1 - T0 T 12 L 12 3 45 67 1---Through hole mount 2---RoHS 6, change "R" to "7" means RoHS 5 3---Series name, 1/4 brick 4---Series code 5---Input range (36-75V) 6---Output voltage (12V) 7---Enable, active low, change "L" to "0" means active high 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 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min -0.3 -0.3 -40 -55 Typ Max 80 18 2250 85 125 Unit V V V C C Notes Absolute Maximum Ratings Parameter Continuous non-operating Input Voltage Remote On/Off I/O Isolation Voltage Ambient Temperature Storage Temperature Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. Input Specifications Parameter Operating Input Voltage Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (rms) Input Reflected Ripple Current (pk-pk) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min 36 32.5 Typ 48 90 10 15 50 TBD 34.5 34 Max 75 10 35.5 - Unit V A mA mA mA mA As V V 2 Notes 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. CAUTION: This converter is not internally fused. An input line fuse must be used in application. Recommend a fast-acting fuse with maximum rating of 14A on system board. Refer to the fuse manufacture's datasheet for further information. Note: All specifications are typical at 25 C unless otherwise stated. Output Specifications Parameter Output Voltage Set Point Load Regulation Line Regulation Regulation Over Temperature (-40deg.C-85deg.C) Ripple and Noise (pk-pk) Ripple and Noise (rms) Output Current Range Output DC Current Limit Min 11.76 0 26 Typ 12 30 12 60 50 20 32 Max 12.24 60 24 100 100 50 25 38 Unit V mV mV mV mV mV A A 0 - 20 MHz BW, with 1 uF ceramic load capacitor and a 10 uF tantalum capacitor at the output. Notes Vin=48 V, Io=50%Load 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 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min 0 Typ TBD 80 0 Max 120 3 5600 Unit As mS % uF 2 Output Specifications (continued) Parameter Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance Transient Response V Notes Overshoot Settling Time Overshoot Settling Time Vo= 12 V - - 600 300 600 300 mV uS mV uS di/dt=0.1A/us, Vin=48Vdc, Ta=25 C, with 1 uF ceramic capacitor and a 10 uF tantalum capacitor at the output. 50%~75% of Max Load V 75%~50% of Max Load Note: All specifications are typical at nominal input, full load at 25C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency Isolation Capacitance Over Temperature Protection Over Voltage Protection Output Voltage Trim Range Remote Sense Compensation Weight FIT Dimensions Inches (L x W x H) Millimeters (L x W x H) 2.30 x 1.45 x 0.50 58.42 x 36.83 x 12.70 Min 94 80 Typ 95 270 2200 125 14 71 TBD Max 105 5 Unit % kHz pF V %Vo,set %Vo,set g Calculated Per Bell Core SR-332 (Vin=48 V, Vo=12 V, Io=20 A, Ta = 9 25 C, FIT=10 /MTBF) The total voltage increased by trim and remote sense should not exceed 5%Vo. Notes Vin=48 V, full load. 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 3 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Efficiency Data 98.00% 96.00% 94.00% EFFICIENCY 92.00% 90.00% 88.00% 86.00% 84.00% 82.00% 80.00% 2.50 6.25 12.50 18.75 25.00 OUTPUT CURRENT(A) 36 V 48 V 75 V Thermal Derating Curve Maximum junction temperature of semiconductors derated to 120 degree C. 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 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Ripple and Noise Waveform 48 Vdc input, 12 Vdc/25 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 50%-75% Load Transients at Vin=48 V 75%-50% Load Transients at Vin=48 V Note: Transient response at di/dt=0.1A/us, with a 1uF ceramic cap and a 10uF Tantalum 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 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Remote On/Off Parameter Signal Low (Unit On) Signal High (Unit Off) Signal Low (Unit Off) Signal High (Unit On) Current Sink Active Low Active High Min -0.3 2.4 -0.3 2.4 0 Typ Max 0.8 18 0.8 18 0.75 Unit V V V V mA Notes The remote on/off pin open, Unit off. The remote on/off pin open, Unit on. Recommended remote on/off circuit for active low Vin+ On/off Vin+ On/off Vin- Vin- Control with open collector/drain circuit Vin+ Vcc Control with photocoupler circuit Vin+ On/off On/off Vin- Vin- Control with logic circuit Permanently on Recommended remote on/off circuit for active high Vin+ Vin+ On/off On/off Vin- Vin- Control with open collector/drain circuit Vin+ Vcc Control with photocoupler circuit Vin+ On/off On/off Vin- Vin- Control with logic circuit Permanently on 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 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. 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 pin. Only one of the resistors should be used for any given application. Minimum trim down voltage is 9.6V Maximum trim up voltage is 12.6V. The total voltage increased by trim and remote sense should not exceed 5% of the nominal output voltage. Rtrimdown = 511 - 10.22[k] delta Vout Module Trim GND Rtrimdown Rtrimup = (100 + delta ) Vo 5.11 - 626 - 10.22[k] 1.225 delta Vout Module Trim GND Rtrimup Note: delta = (Vo _ req - Vo ) x 100 [% ] Vo Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=12 V 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 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Remote Sense This module has remote sense compensation feature. It can minimize the effects of resistance between module's output and load in system layout and facilitates accurate voltage regulation at load terminals or other selected point. 1. The remote sense lines carries very little current and hence do not require a large cross-sectional area. 2. This module compensates for a maximum drop of 5% of the nominal output voltage. 3. If the unit is already trimmed up, the available remote sense compensation range should be correspondingly reduced. The total voltage increased by trim and remote sense should not exceed 5% of the nominal output voltage. 4. When using remote sense compensation, all the resistance, parasitic inductance and capacitance of the system are incorporated within the feedback loop of this module. It can make an effect on the module's compensation, affecting the stability and dynamic response. A 0.1uF ceramic capacitor can be connected at the point of load to de-couple noise on the sense wires. 5. Recommend the connection of remote sense compensation as below figure. There are a resistor RS+ (100 ohm) from Vo+ to Sense+ and a resistor RS- (51 ohm)) from Vo- to Sense- inside of this module. Vo+ RS+ Sense+ Load SenseRS- V o- 6. If not using remote sense compensation, please connect sense directly to output at module's pin, that is, connect sense+ to Vo+ and sense- to Vo- at module's pin, the shorter the better. See below figure. V o+ RS+ Sense+ Load SenseRS- Vo- Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com 8 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input, Jan. 14, 2010 12 Vdc/25 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline Pin Connections pin# 1 2 3 4 5 6 7 8 function Vin (+) On/Off Vin (-) Vo (-) RS (-) Trim RS (+) Vo (+) pin size 0.04" 0.04" 0.04" 0.06" 0.04" 0.04" 0.04" 0.06" Note: This module is recommended and compatible with Pb-Free Wave Soldering and must be soldered using a peak solder temperature of no more than 260 C for less than 5 seconds. Note: 1) All Pins: Material - Copper Alloy; Finish - 3 micro inches minimum Gold over 50 micro inches minimum Nickel plate. 2) Undimensioned components are shown for visual reference only. 3) All dimensions in inches (mm); Tolerances: x.xx +/-0.02 in. (x.x +/-0.5mm) x.xxx +/-0.010 in. (x.xx +/-0.25mm). Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com 9 ISOLATED DC/DC CONVERTERS 36 Vdc - 75 Vdc Input, 12 Vdc/25 A Output Jan. 14, 2010 Bel Power Inc., a subsidiary of Bel Fuse Inc. Revision History Date 2008-10-17 2009-4-16 2010-1-14 Version A B C First release 1. Change to new format; 2. Update the I/O isolation voltage, min efficiency and output DC current limit. Remove"Preliminary" Changes Detail Approval HL HL Jack RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. (c)2010 Bel Fuse Inc. Specifications subject to change without notice. 011410 10 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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