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S28A5T175BK3 Datasheet(PDF) 3 Page - Vicor Corporation

Part # S28A5T175BK3
Description  DC-DC Converter Module
PDF  12 Pages
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Manufacturer  VICOR [Vicor Corporation]
Direct Link  http://www.vicorpower.com
Logo VICOR - Vicor Corporation

S28A5T175BK3 Datasheet(HTML) 3 Page - Vicor Corporation

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28 V Wide Maxi Family
Rev 2.8
vicorpower.com
Page 3 of 12
02/2016
800 927.9474
28 V Input
Parameter
Min
Typ
Max
Unit
Notes
PRIMARY SIDE
(PC = Primary Control; PR = Parallel)
PC bias voltage
5.50
5.75
6.00
Vdc
PC current = 1.0 mA
current limit
1.5
2.1
3.0
mA
PC voltage = 5.5 V
During normal operation
PC module disable
2.3
2.6
2.9
Vdc
Switch must be able to sink ≥4 mA. See Fig. 2
PC module enable delay
4
7
ms
PC module alarm
0.5
Vavg
UV, OV, OT, module fault. See Figs. 3 and 5
PC resistance
0.9
1.0
1.1
MΩ
See Fig. 3, converter off or fault mode
PR emitter amplitude
5.7
5.9
6.1
Volts
PR load >30 Ω, < 30 pF
PR emitter current
150
mA
PR receiver impedance
375
500
625
Ω
25°C
PR receiver threshold
2.4
2.5
2.6
Volts
Minimum pulse width: 20 ns
PR drive capability
12
modules
Without PR buffer amplifier
SECONDARY SIDE
(SC = Secondary Control)
SC bandgap voltage
1.21
1.23
1.25
Vdc
Referenced to –Sense
SC resistance
990
1000
1010
Ω
SC capacitance
0.033
µ
F
SC module alarm
0
Vdc
With open trim; referenced to –Sense. See Fig. 7
Parameter
Min
Typ
Max
Unit
Notes
Remote sense (total drop)
0.5
Vdc
0.25 V per leg (sense leads must be connected to
respective, output terminals)
Isolation test voltage (in to out)*
3000
Vrms
Complies with reinforced insulation requirements
Isolation test voltage (in to base)*
1500
Vrms
Complies with basic insulation requirements
Isolation test voltage (out to base)*
500
Vrms
Complies with operational insulation requirements
Isolation resistance
10
MΩ
in to out, in to baseplate, out to baseplate
Weight (E, C, T grade)
6.5
7.3
8.1
ounces
(184.3)
(207.5)
(230.7)
(grams)
Weight (H, M grade)
7.4
8.2
9.0
ounces
(209.3)
(232.5)
(255.7)
(grams)
Temperature limiting
100
115
°C
See Figs. 3 and 5. Do not operate coverter >100C.
Agency approvals
cURus, cTÜVus, CE
UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.
With appropriate fuse in series with the +Input
MODULE CONTROL SPECIFICATIONS
MODULE GENERAL SPECIFICATIONS
* Isolation test voltage, 1 minute or less.
Note:
Specifications are subject to change without notice.



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