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NTE5342  1N6677UR-1  1434GL  
V48A12M500A 48Vin / 12Vout / 500Watts DC-DC Converter Module
Prototype PCB
Part No.:   V48A12M500A
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Description:   48Vin / 12Vout / 500Watts DC-DC Converter Module
File Size :   194 K    
Page : 8 Pages
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Maker   VICOR [ VICOR CORPORATION ]http://www.vicorpower.com
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ELECTRICAL CHARACTERISTICS, continued
MODULE CONTROL SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Notes
PRIMARY SIDE
(PC = Primary Control; PR = Parallel)
PC bias voltage
current limit
PC module disable
PC module enable delay
PC module alarm
PR emitter amplitude
PR emitter current
PR receiver impedance
PR receiver threshold
PR drive capability
SECONDARY SIDE
(SC = Secondary Control)
SC bandgap voltage
SC resistance
SC capacitance
SC module alarm
1.21
990
1.23
1000
0.033
0
1.25
1010
Vdc
ohms
µF
Vdc
With open trim; referenced to –Sense. See Fig. 6
Referenced to –Sense
5.7
150
375
2.4
500
2.5
625
2.6
12
5.9
5.50
1.5
2.3
5.75
2.1
2.6
4
6.10
3.0
2.9
7
0.5
6.1
Vdc
mA
Vdc
ms
Vavg
Volts
mA
ohms
Volts
modules
25°C
Minimum pulse width: 20ns
Without PR buffer amplifier
UV, OV, OT, module fault. See Figs. 2 and 4
PR load >30 ohms, < 30 pF
PC current = 1.0 mA
PC voltage = 5.5V
Must be able to sink
≥4
mA. See Fig. 1
MODULE GENERAL SPECIFICATIONS
Parameter
Remote sense (total drop)
Isolation voltage (in to out)
Isolation voltage (in to base)
Isolation voltage (out to base)
Isolation resistance (in to out)
Weight
Temperature limiting
Agency approvals
100
3000
1550
500
10
7.3 (210)
115
8 (227)
Min
Typ
Max
0.5
Unit
Vdc
Vrms
Vrms
Vrms
megohms
ounces (grams)
°C
See Figs. 2 and 4
UL1950, CSA950, EN60950, VDE0805, BS7002,
IEC 60950. With a fuse in series with the +Input
Notes
0.25V per leg (senses must be closed)
Complies with reinforced insulation requirements
Complies with basic insulation requirements
Complies with operational insulation requirements
UL, CSA, TÜV, BABT, CE, VDE
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
V48A12C500A DC-DC Converter
Rev. 5.3
Page 3 of 8
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