0RCY-C2T030

ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc /30 A Output 0RCY-C2T03x • • • • • • • RoHS Compliant • • • • • • Rev.B Isolated High Efficiency High Power Density Fixed Frequency (300 kHz) Low Cost Input Under-Voltage Lockout Output Over-Voltage Protection Output Voltage Trim OCP/SCP Over Temperature Protection Remote On/Off Positive/Negative Remote Sense Basic Insulation Description The 0RCY-C2T03x is isolated dc/dc converter that operates from a nominal 48 Vdc source. This unit will provide up to 99 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 3.3 Vdc Input Voltage 48 Vdc Max. Output Current 30 A Max. Output Power 99 W Typical Efficiency 93% Model Number Active High 0RCY-C2T030 Model Number Active Low 0RCY-C2T03L Notes: 1. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers. 2. Add “G” suffix at the end of the model number to indicate Tray Packaging. 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 1500 V -40 °C -55 °C Typ Max 80 V 18 V 85 °C 125 °C Notes Input Specifications Parameter Input Voltage Input Current (full load) Input Current (no load) Remote Off Input Current Input Reflected Ripple Current (rms) Input Reflected Ripple Current (pkpk) I t Inrush Current Transient Turn-on Voltage Threshold Turn-off Voltage Threshold 2 Min 36 V 33 V 32 V Typ 48 V 70 mA 10 mA 5 mA - Max 75 V 4.5 A 120 mA 15 mA 10 mA 30 mA 0.1 A s 35.5 V 34.5 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. 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 3.3 Vdc /30 A Output Min 3.234 V 0A 33 A 470 uF Typ 3.30 V ±4 mV ±8 mV ±30 mV 10 mV 55 mV 2 2A s 0% Max 3.366 V ±9 mV ±16.5 mV ±50 mV 20 mV 90 mV 30 A 44 A 2 4A s 25 mS 5600 uF 50 mV 150 uS 50 mV 150 uS 100 mV 250 uS 100 mV 250 uS di/dt=0.1 A/us, Vin=48 Vdc, with a 1µF ceramic capacitor and the minimum external Tantalum cap at output. 0-20MHz BW, with a 1µF ceramic capacitor and the minimum external Tantalum cap at output. Notes Vin=48 V, Io=50%load Output Specifications Parameter Output Voltage Set Point Load Regulation line Regulation Regulation Over Temperature (-40deg.C-85deg.C) Ripple and Noise (rms) Ripple and Noise (pk-pk) Output Current Range Output DC Current Limit Short Circuit Surge Transient Turn on Time Overshoot at Turn on Output Capacitance Transient Response Overshoot 25% ~ 50% Max Load Settling Time Overshoot 50% ~ 25% Max Load Settling Time VO=3.3 V Note: All specifications are typical at 25 °C unless otherwise stated. General Specifications Parameter Efficiency Switching Frequency Isolation capacitance Output Voltage Trim Range Remote Sense Compensation Over Temperature Protection Over Voltage Protection MTBF Dimensions Inches (L × W × H) Millimeters (L × W × H) Weight 2.30 x 0.90 x 0.37 58.42 x 22.78 x 9.50 28 g Min 90% 270 kHz 90% 3.8 V Typ 93% 300 kHz 2200 pF 125 °C TBD Max 330 kHz 110% 10% 4.5 V Notes Measured at Vin=48 V, full load. Vin=48V, full load and short feedback optocoupler. Vin=48 V, full load, in hiccup Mode Calculated Per Bell Core SR-332 (Io=80%load, Ta = 25 °C) Note: All specifications are typical at 25 °C unless otherwise stated. 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 Low Active High Min -0.7 V 2.4 V -0.7 V 2.4 V 0 mA Typ Max 0.8 V 18 V 0.8 V 18 V 1 mA Notes When Remote On/Off pin is open, unit is off. When Remote On/Off pin is open, unit is on. 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 3.3 Vdc /30 A Output 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. 511 Rtrimdown = − 10.22[kΩ] delta Vout Module Trim GND Rtrimdown Rtrimup = (100 + delta) ⋅ Vo ⋅ 5.11 − 626 − 10.22[kΩ ] 1 .225 ⋅ delta Module Vout Trim GND Rtrimup Note: delta = (Vo _ req − Vo ) × 100 [% ] Vo Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=3.3 V Efficiency Data Efficiency Curve 94% 92% 90% 88% 86% 84% 82% 80% 78% 76% 74% 72% 70% 3.00 Efficiency 36 V 48 V 75 V 7.50 15.00 22.50 30.00 Output Current (A) 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 3.3 Vdc /30 A Output Thermal Derating Curve Vin=48V, with maximum junction temperature of semiconductors derated to 120 degree C Ripple and Noise Waveforms Io=0A Vin=48V Io=30A Vin=48V Note: Ripple and noise with a 1uF ceramic cap and a 10 uF 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 ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc /30 A Output Transient Response Waveforms Vout=3.3V 75% to 50% Load Transients at Vin=48V Vout=3.3V 50% to 75% Load Transients at Vin=48V Note: Transient Response at di/dt=0.1A/uS, External 330uF Tantalum Cap, Ta=25deg 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 3.3 Vdc /30 A Output Mechanical Outline Pin Connections Pin 1 2 3 4 5 6 7 8 Name Vin+ On/Off VinVoutSenseTrim Sense+ Vout+ Pin Dia 0.040’’ 0.040’’ 0.040’’ 0.060’’ 0.040’’ 0.040’’ 0.040’’ 0.060’’ 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. 011310 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