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VKQ100MS3V3
100 Watt, 3.3Vout, Quarter Brick DC/DC Converter
FEATURES No Heatsink Required 36 - 75V Input Range No External Components Required Small Size: 1.5" x 2.3" x .50" Safety per UL/CUL 60950, High Efficiency: 84% EN 60950, Operational Fixed Frequency Operation Insulation Meets TNV-SELV 480kHz Isolation Requirements Primary Remote On/Off Adjustable Output Voltage APPLICATIONS Brick Wall Current Limiting Distributed Power Architectures On Board Input Differential Telecommunications Filter Battery Powered Systems No Minimum Load Requirement Workstations Remote Sense
The VKQ100MS3V3 DC/DC converter presents an economical and practical solution for distributed power system architectures which require high power density and efficiency while maintaining system modularity and upgradeability. With the ability to operate over a wide input voltage range of 36 to 75 Vdc, this module is ideal for telecommunications and battery backup applications where input flexibility must be combined with output voltage regulation. In addition, the output is fully isolated from the input, allowing for a variety of polarity and grounding configurations. Innovative circuit design using surface mount components results in a compact, efficient and reliable solution to DC/DC conversion needs. Internal power dissipation is minimized by the VKQ100MS3V3's high efficiency and is aided by a metal baseplate to which all heat dissipative elements are coupled. The control circuitry of the VKQ100MS3V3 has been designed to provide overvoltage protection as well as current limiting for continuous shortcircuit protection. The VKQ100MS3V3 is operation specified from rated load to zero load.
PRODUCT SELECTION CHART
MODEL VKQ100MS3V3 NOMINAL INPUT VOLTAGE (VDC) 48 RATED OUTPUT VOLTAGE (VDC) 3.3 RATED OUTPUT CURRENT (A) 30 INPUT CURRENT NOM (A) 2.50 MIN (%) 83 EFFICIENCY TYP (%) 84
ORDERING INFORMATION
MODEL NO. VKQ100MS3V3 PART NO. 6064911
ABSOLUTE MAX. RATINGS
Output Short-Circuit Duration Internal Power Dissipation Continuous 20.5 Watts
Lead Temperature (soldering, 10 seconds max) +300C Continuous Input Voltage Storage Temperature 75 VDC +125C
VKQ100MS3V3 REV A 4/2003
Input to Output Isolation 1500 VDC Input Voltage (non-operating) 100 VDC
SPECIFICATIONS
Unless otherwise specified, all specifications are at TA = +25C.
PARAMETER
Voltage Range (Vin) Reflected Ripple Current1 Input Ripple Rejection (100 Hz - 1KHz) No Load Input Current Quiescent Input Current Primary On/Off Disabled Power Dissipation No Load Standby, Primary On/Off Disabled Maximum Input Current Inrush Charge Input Under Voltage Protection Shut down Turn On Input Over Voltage Protection Shut down Turn On Input Under Voltage Protection Shutdown Turn On Input Over Voltage Protection Shut down Turn On OUTPUT Nominal Voltage (Vnom) Output Current (Io) 2 Rated Power 2 Set Point Accuracy
CONDITIONS
Vin = 48 Vdc; Io = 30 A. Vin = 48 Vdc; Io = 30 A. Vin = 48 Vdc; Io = 0 A. Vin = 48 Vdc; Io = 30 A. Vin = 48 Vdc.
MIN
36 -30
NOM
48
MAX
75 4 100 4
UNITS
Vdc A pk-pk dB mA mA W W A mC
90
4.40 Vin = 36 Vdc; Io = 30 A. Vin = 75 Vdc. Tamb = -40C to +60C; Io = 0 A to 30 A 31.50 32.50 Tamb = -40C to +60C; Io = 0 A to 30 A 76.50 76.00 Tamb = +25C; Io = 0A to 30A 32.00 33.00 Tamb = -40C to +60C; Io = 0 A to 30 A 77.70 76.20 3.300 Vin = 36 Vdc to 75 Vdc. Vin = 36 Vdc to 75 Vdc. Vin = 48 Vdc; Io = 15 A; Tamb = -40C to +60C. Tamb = +25C Vin = 36 Vdc to 75 Vdc; Tamb = -40C to +60C; Io = 30 A. Tamb = +25C Vin = 36 Vdc to 75 Vdc; Io = 0 A to 30 A. Tamb = -40C to +60C; Tamb = +25C; Vin = 48Vdc Vin = 36-75 Vdc; Io = 0-30 A; TA = -40C to +60C f < 20 MHz Bandwidth. Tamb = -40C to +60C; Vin = 48 Vdc; Io = 30 A. Vin = 48 Vdc. Vin = 48 Vdc; Io = 0-30 A Vin = 48 Vdc. Vin = 48 Vdc; Io = 0-30 A Output to within 1% of Vnom Vin = 48 Vdc; Io = 30 A. 50% to 100% Load Step to di/dt = 75A/S; Co = 1000F; Vin = 48Vdc 0 0
4.80 0.20 3.40 0.165
INPUT
32.50 33.70
Vdc Vdc
79.00 78.00 32.25 33.50
Vdc Vdc Vdc Vdc
79.00 77.60
Vdc Vdc Vdc A W % of Vnom % of Vnom
30 100 1 0.50
Line Regulation
0.02 0.01
0.075 0.05
% of Vnom % of Vnom
OUTPUT
Load Regulation
0.50 0.10
0.75 0.25
% of Vnom % of Vnom
Ripple & Noise3 Temperature Drift Current Limit Inception Output Voltage Adjust Range Short Circuit Current Turn - On Time Over Voltage Protection Set Point Transient Response Peak Deviation Settling Time GENERAL Efficiency 4 Switching Frequency Remote Sense Compensation Remote On / Off Control Inputs Primary Sink Current - Logic Low Vlow Vhigh Calculated MTTF Per Telcordia TR-NWT-000332 Per MIL=HDBK217E Operating Ambient Temperature
90 0.005 32 -10 30 1.00 4.40 0.01 36 +10 44 1.40 4.60
mV pk-pk %/C A %Vnom A ms Vdc
250 120
mV S % KHz Vdc
GENERAL
Vin = 48 Vdc; Io = 30 A. Vin = 36 Vdc-75 Vdc; Io = 0-30 A Vin = 48 Vdc Vin = 36 Vdc-48 Vdc; Io = 0-30 A Tamb = -40C to +60C
83 460
480
500 0.300
0.60 N/A Vin = 48 Vdc; Io = 30 A TBD TBD -40 0.70 N/A
1.60 0.75 N/A
mA Vdc Open Collector Hours Hours C
+70
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VKQ100MS3V3 REV A 4/2003
2
SPECIFICATIONS Unless otherwise specified, all specifications are at TA = +25C.
ISOLATION Input to Output 1500 Vdc Input to Base Plate 1500 Vdc Output to Base Plate 500 Vdc Resistance Input to Output 10 M Capacitance Input to Output 2000 pF Leakage Current V(input - output) = 240 Vac, 60 Hz 180 A, rms Notes: 1. Refer to figure 1 (measurement per "B") in Application Note DCAN-53 for details on the measurement technique used to measure the reflected ripple current. 2. Refer to the performance curves section for details on Output Current Derating with Ambient Temperature. Also refer to figure 10 in the Application Note DCAN-53 for details on air flow characterization. 3. Refer to figure 7 in Application Note DCAN-53 for details on measurement set up for output ripple and noise. Also refer to performance curves section for variation in output ripple and noise with Ambient Temperature, Input Voltage and Output Current. The unit requires a ceramic capacitor of 0.022F across measurement terminals. 4. Refer to performance curves section for variation in efficiency against Input Voltage, Ambient Temperature, Output Load and Frequency.
ISOLATION
PARAMETER
CONDITIONS
MIN
NOM
MAX
UNITS
MECHANICAL
VKQ100MS3V3 (6064911) PIN ASSIGNMENT
No. 1 2 3 4 5 6 7 8 Function +Vin On/Off -Vin -Vout -Sense Trim +Sense +Vout
PIN SIDE UP
NOTES: General Tolerance: +.020 Pin Location Tolerance: +.010 Unit Weight: 34g / 1.2oz. PIN MATERIAL: COPPER PIN FINISH: TIN-LEAD
POWER DERATING CURVE (Vin = 36Vdc - 75Vdc)
Air Speed LFM/CFM
1100/9.5 1000/8.7 900/7.8 800/6.9 700/6.1 600/5.2
Output Current (A)
500/4.3 400/3.5 300/2.6 200/1.7 30/0.3 80/0.7 100/0.9
Temperature (Deg 0C) Product: www.cdpoweronline.com
VKQ100MS3V3 REV A 4/2003
3
TYPICAL PERFORMANCE CURVES
EFFICIENCY (%) vs. OUTPUT CURRENT (A) @ TA +250C; Vin = 48Vdc
Efficiency (%)
Output Current (A)
EFFICIENCY (%) vs. INPUT VOLTAGE @ TA +250C; Io = 30A
Efficiency (%)
Input Voltage (Vdc)
EFFICIENCY (%) vs. AMBIENT TEMP. (0C) @ Vin = 48Vdc; Io = 30A
Efficiency (%)
Temperature (0C)
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VKQ100MS3V3 REV A 4/2003
4
TYPICAL PERFORMANCE CURVES
O/P Ripple & Noise (mV pk-pk)
OUTPUT RIPPLE & NOISE (mV pk-pk) vs. OUTPUT LOAD (A) @ 20MHz; TA +250C; Vin = 48Vdc
Output Load (A) OUTPUT RIPPLE & NOISE (mV pk-pk) vs. INPUT VOLTAGE (Vdc) @ 20MHz; TA +250C; Io = 30A
O/P Ripple & Noise (mV pk-pk)
Input Voltage (Vdc) OUTPUT RIPPLE & NOISE (mV pk-pk) vs. AMBIENT TEMP. (0C) @ 20MHz; Vin = 48Vdc; Io = 30A
O/P Ripple & Noise (mV pk-pk)
Ambient Temperature (0C)
Power Electronics Division, Americas 3400 E Britannia Drive, Tucson, Arizona 85706 Tel: 800.547.2537 Fax: 520.295.4197 C&D Technologies, EMEA/Asia/Pacific Milton Keynes MK14 5BU UK Tel: +44 (0)1908 615232 Fax: +44 (0)1908 617545
Any data, prices, descriptions or specifications presented herein are subject to revision by C&D Technologies, Inc. without notice. While such information is believed to be accurate as indicated herein, C&D Technologies, Inc. makes no warranty and hereby disclaims all warranties, express or implied, with regard to the accuracy or completeness of such information. Further, because the product(s) featured herein may be used under conditions beyond its control, C&D Technologies, Inc. hereby disclaims all warranties, either express or implied, concerning the fitness or suitability of such product(s) for any particular use or in any specific application or arising from any course of dealing or usage of trade. The user is solely responsible for determining the suitability of the product(s) featured herein for user's intended purpose and in user's specific application. C&D Technologies, Inc. does not warrant or recommend that any of its products be used in any life support or aviation or aerospace applications.
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VKQ100MS3V3 REV A 4/2003
5

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