0RCY-C2TV2L

ISOLATED DC/DC CONVERTERS 48 Vdc Input Aug. 10, 2010 1.2 Vdc /50 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. RoHS Compliant • • • • • • 0RCY-C2TV2x Features • • • • • • • • • Isolated High Efficiency Rev.C Input Under/Over Voltage Lockout Output Voltage Trim Basic Insulation OCP/SCP Over Temperature Protection Output Over-Voltage Protection with Auto-recovery Fixed Frequency (300 KHz) High Power Density Low Cost Remote On/Off Positive/Negative Remote Sense Class 1, Category 2, Isolated DC/DC Converter (refer to IPC-9592) UL60950-1 Recognized (UL/cUL) (Pending) Applications • • • Networking Computers and peripherals Telecommunications Description The 0RCY-C2TV2x is isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide up to 60 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 under-voltage lockout. This converter is provided in an industry standard eighth brick package. Part Selection Output Voltage 1.2 Vdc Input Voltage 48 Vdc Max. Output Current 50 A Max. Output Power 60 W Typical Efficiency 86% Model Number Active High 0RCY-C2TV20 Model Number Active Low 0RCY-C2TV2L Notes: Add “G” suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation 0 R CY – C2 T V2 x 12 3 4 5 6 7 1---Through hole mount 2---RoHS 6, change “R” to “7” means RoHS 5 3---Series name 4---Series code 5--- Input range (36-75V) 6---Output voltage (1.2V) 7---Suffix 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 Aug. 10, 2010 1.2 Vdc /50 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min -0.3 -0.3 1500 -40 -55 Typ Max 80 100 18 85 125 Unit V V V V °C °C 100mS maximum Notes Absolute Maximum Ratings Parameter Input Voltage (continuous) Input Voltage (transient) 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 Input Voltage Input Voltage Transient Rate 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 33 32 Typ 48 10 5 - Max 75 7 3.0 60 15 10 30 0.1 35.5 34.5 Unit V V/mS A mA mA mA mA As V V 2 Notes With simulated source impedance of 10 uH, 5Hz to 20MHz. Use a 100 uF/100 V electrolytic cap with ESR=1 ohm max, at 200 KHz@25°C. CAUTION: This converter is not internally fused. An input line fuse must be used in application. 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) Total Regulation Ripple and Noise (rms) Ripple and Noise (pk-pk) Output Current Range Min 1.176 0 Typ 1.20 ±3 ±3 ±4 ±10 Max 1.224 ±6 ±5 ±9 ±19 10 50 50 Unit V mV mV mV mV mV mV A Vin=75 V, 0-20MHz BW, with a 1µF ceramic capacitor and a 100 µF Tantalum cap at 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 48 Vdc Input Aug. 10, 2010 1.2 Vdc /50 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min 52 0 Typ 2 0 Max 62 4 40 20,000 Unit A As mS % uF 2 Output Specifications (continued) Parameter Output DC Current Limit Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance Transient Response 25% ~ 50% Max Load 50% ~ 25% Max Load Overshoot Settling Time Overshoot Settling Time Vo= 1.2V 50 250 50 250 mV uS mV uS di/dt=0.1A/us, Vin=48Vdc, with a 1µF ceramic capacitor and a 330 µF ESR≤50mOhm cap at output. Notes Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated. General Specifications Parameter Efficiency (full load) Efficiency (half load) Switching Frequency Isolation capacitance Over Voltage Trim Range Remote Sense Compensation Over Temperature Protection Over Voltage Protection Weight FIT Dimensions Inches (L × W × H) Millimeters (L × W × H) 2.30 x 0.90 x 0.40 58.42 x 22.78 x 10.26 Min 84 85 270 90 1.39 Typ 86 89 300 2200 125 28 TBD Max 330 110 10 1.6 Unit % % kHz pF % % °C V g Calculated Per Bell Core SR-332 (Vin=48V, Io=80%load, Ta = 25 °C, 9 FIT=10 /MTBF) The total voltage increased by trim and remote sense should not exceed 10%Vo. Notes Measured at Vin=48 V 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 48 Vdc Input Aug. 10, 2010 1.2 Vdc /50 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Min -0.7 2.4 -0.7 2.4 0 Typ Max 0.8 18 0.8 18 1 Unit V V V V mA Notes The remote on/off pin open, Unit off. The remote on/off pin open, Unit on. 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 Efficiency Data 94% 92% 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 5.00 12.50 25.00 37.50 50.00 Output Current (A) Efficiency 36 V 48 V 75 V Thermal Derating Curve Vin=48V, 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 Aug. 10, 2010 1.2 Vdc /50 A Output Bel Power Inc., a subsidiary of Bel Fuse Inc. Ripple and Noise Waveform 75Vdc input, 1.2Vdc/50A output Note: Ripple and noise at full load, with a 1uF ceramic cap and a 100uF Tantalum cap at output, and Ta=25 deg C. Transient Response Waveforms Vout=1.2V, 50% to 75% Load Transients Vout=1.2V, 75% to 50% Load Transients Note: Transient response at di/dt=0.1A/us, Vin=48Vdc, Ta=25°C, with a 1µF ceramic capacitor and 330µF ESR ≤50mOhm 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 5 ISOLATED DC/DC CONVERTERS 48 Vdc Input Aug. 10, 2010 1.2 Vdc /50 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 Sense(-) pin. The Trim Up resistor should be connected between the Trim pin and the Sense(+) pin. Only one of the resistors should be used for any given application. Rtrimdown = 511 − 10.22[kΩ] delta Vout Module Trim GND Rtrimdown Connecting an external resistor between the TRIM pin and the Sense (-) pin decreases the output voltage set point. Rtrimup = (100 + delta ) ⋅ Vo ⋅ 5.11 511 − − 10.22 [k Ω ] 0.6125 ⋅ delta delta Vout Module Trim GND Rtrimup Connecting an external resistor between the TRIM pin and the Sense (+) pin increases the output voltage set point. Note: delta = (Vo _ req − Vo ) × 100 [% ] Vo Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=1.2 V Remote sense minimizes the effects of distribution losses by regulating the voltage at the remote-sense connections. The voltage between the remote-sense pins and the output terminals must not exceed the output voltage sense range: ≤ 10% x Vout. If not using the remote-sense feature to regulate the output voltage at the point of load, connect SENSE (+) to Vout and SENSE (-) to GND at the module. The tracks, that connect the sense pins to the load, must have a resistance