XRCY-C2T03 BEL | Alldatasheet

Document overview

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Technical content

Features

 Isolated  Output Voltage Trim  High Efficiency  OCP/SCP  High Power Density  Over Temperature Protection  Fixed Frequency (300 kHz)  Remote On/Off  Low Cost  Positive/Negative Remote Sense  Input Under-Voltage Lockout  Basic Insulation  Output Over-Voltage Protection  Class 2, Category 2, Isolated DC/DC Converter (refer to IPC-9592)

Applications

 Networking  Computers and peripherals  Telecommunications

Description

The xRCY-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 Input Voltage Max. Output Current Max. Output Power Typical Efficiency Model Number Active High Model Number Active Low

3.3 Vdc 48 Vdc 30 A 99 W 93% xRCY-C2T033 xRCY-C2T03L

Note: Add “G” suffix at the end of the model number to indicate Tray Packaging. Part Number Explanation x R CY –C2 T 03 x 1 2 3 4 5 6 7 1---Replace”x” with “S” to indicate SMD package, or “0” to indicate through hole package 2---RoHS 6, change “R”to “7”means RoHS 5 3---Series name 4---Series code 5---Input range (36-75V) 6---Output voltage 3.3V 7---Option, “x”of the model part number to be 0-9, A-Z, which will represent the special request of customer. xRCY-C2T03x RoHS Compliant Rev.D

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 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Absolute Maximum Ratings Parameter Min Typ Max Unit Notes Continuous Input Voltage -0.3 - 80 V Remote On/Off -0.3 - 18 V I/O Isolation Voltage 1500 - - V Ambient Temperature -40 - 85 C Storage Temperature -55 - 125 C Note: Ratings used beyond the maximum ratings may cause a reliability degradation of the converter or may permanently damage the device. Input Specifications Parameter Min Typ Max Unit Notes Input Voltage 36 48 75 V Input Current (full load) - - 3.8 A Input Current (no load) - 70 120 mA Remote Off Input Current - 10 15 mA Input Reflected Ripple Current (rms) - 5 10 mA Input Reflected Ripple Current (pk-pk) - - 30 mA 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. I2t Inrush Current Transient - - 0.1 A2s Turn-on Voltage Threshold 33 - 35.5 V Turn-off Voltage Threshold 32 - 34.5 V Note: All specifications are typical at 25 C unless otherwise stated. Output Specifications Parameter Min Typ Max Unit Notes Output Voltage Set Point 3.234 3.30 3.366 V Vin=48 V, Io=50%load Load Regulation - ±4 ±9 mV Line Regulation - ±8 ±16.5 mV Regulation Over Temperature (-40deg.C-85deg.C) - ±30 ±50 mV Ripple and Noise (rms) - 10 20 mV Ripple and Noise (pk-pk) - 55 90 mV 0-20MHz BW, with a 1µF ceramic capacitor and the minimum external Tantalum cap at output. Output Current Range 0 - 30 A Output DC Current Limit 33 - 44 A Short Circuit Surge Transient - 2 4 A2s Turn on Time - - 25 mS Overshoot at Turn on - 0 - % Output Capacitance 470 - 5600 uF

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 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Output Specifications (continued) Parameter Min Typ Max Unit Notes Transient Response Overshoot - 50 100 mV△V 25%~50% of Max Load Settling Time - 150 250 uS Overshoot - 50 100 mV△V 50%~25% of Max Load Settling Time - 150 250 uS di/dt=0.1 A/us, Vin=48 Vdc, with a 1µF ceramic capacitor and the minimum external Tantalum cap at output. Note: All specifications are typical at nominal input, full load at 25°C unless otherwise stated. General Specifications Parameter Min Typ Max Unit Notes Efficiency 90 93 - % Measured at Vin=48 V, full load. Switching Frequency 270 300 330 kHz Isolation Capacitance - 2200 - pF Output Voltage Trim Range 90 - 110 % Remote Sense Compensation - - 10 % Vin=48V, full load and short feedback optocoupler. Over Temperature Protection - 125 - C Over Voltage Protection 3.8 - 4.5 % Vin=48 V, full load, in hiccup Mode MTBF TBD Hours Calculated Per Bell Core SR-332 (Io=80%load, Ta = 25 C) Dimensions Inches (L × W × H) Millimeters (L × W × H) 2.30 x 0.90 x 0.40 58.42 x 22.86 x 10.26 - 0RCY-C2T03x Dimensions Inches (L × W × H) Millimeters (L × W × H) 2.30 x 0.90 x 0.46 58.42 x 22.86 x 11.68 - SRCY-C2T03x Weight - 28 - g Note: All specifications are typical at 25 C unless otherwise stated. Control Specifications Parameter Min Typ Max Unit Notes Remote On/Off Signal Low (Unit On) -0.7 - 0.8 V Signal High (Unit Off) Active Low 2.4 - 18 V xRCY-C2T03L Remote On/Off pin is open, unit off. Signal Low (Unit Off) -0.7 - 0.8 V Signal High (Unit On) Active High 2.4 - 18 V xRCY-C2T033 Remote On/Off pin is open, unit on. Current Sink 0 - 1 mA

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 3.3 Vdc /30 A Output Jun. 24, 2011 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. Note: Vo_req=Desired (trimmed) output voltage [V] Output voltage Vo=3.3 V Efficiency Data Efficiency Curve 70% 72% 74% 76% 78% 80% 82% 84% 86% 88% 90% 92% 94% Output Current (A) Efficiency 36 V 48 V 75 V Vo VoreqVodelta  kdeltaRtrimdown 22.10511 Module Vout Trim GND Rtrimdow n Module Vout Trim GND Rtrimup  VodeltaRtrimup 22.10225.1 62611.5)100(

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 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. 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 6 ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. 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 7 ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline 0RCY-C2T03x 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 ºC for less than 5 seconds. Pin Connections Pin Name Pin Dia 1 Vin+ 0.040’’ 2 RC 0.040’’ 3 Vin- 0.040’’ 4 Vout- 0.060’’ 5 RS- 0.040’’ 6 Trim 0.040’’ 7 RS+ 0.040’’ 8 Vout+ 0.060’’

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 48 Vdc Input 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc. Mechanical Outline (continued) SRCY-C2T03x Note: This module is recommended and compatible with Pb-Free Wave Soldering and must be soldered using a reflow solder temperature of no more than 260 ºC 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. Pin Connections Pin Name Pin Dia 1 Vin+ 0.040’’ 2 RC 0.040’’ 3 Vin- 0.040’’ 4 Vout- 0.060’’ 5 RS- 0.040’’ 6 Trim 0.040’’ 7 RS+ 0.040’’ 8 Vout+ 0.060’’

2011 Bel Fuse Inc. Specifications subject to change without notice. 062411 CORPORATE FAR EAST EUROPE Bel Fuse Inc. Bel Fuse Ltd. Bel Fuse Europe Ltd.

206 Van Vorst Street 8F/ 8 Luk Hop Street Preston Technology Management Centre

Jersey City, NJ 07302 San Po Kong Marsh Lane, Suite G7, Preston Tel 201 -432-0463 Kowloon, Hong Kong Lancashire, PR1 8UD, U.K. Fax 201 -432-9542 Tel 852 -2328-5515 Tel 44 -1772-556601 www.belfuse.com Fax 852 -2352-3706 Fax 44 -1772-888366 www.belfuse.com www.belfuse.com ISOLATED DC/DC CONVERTERS 48 Vdc Input 3.3 Vdc /30 A Output Jun. 24, 2011 Bel Power Inc., a subsidiary of Bel Fuse Inc.

Revision History

Date Revision Changes Detail Approval 2011-01-12 C Change max input current (full load) from 4.5A to 3.8A in input specifications. JZ Wang 2011-06-24 D Add P/N SRCY-C2T03x with SMD package. JZ Wang RoHS Compliance Complies with the European Directive 2002/95/EC, calling for the el imination of lead and other hazardous substances from electronic products.