Railway/Transportation system applications including communications systems,
information display, lighting, control systems, ticket machines, passenger
entertainment, public address systems, door control, industrial power systems and power
generation systems.
For details on proper operation please refer to the:
Design Guide & Applications Manual for Maxi, Mini, Micro Family.
Absolute Maximum Ratings
Parameter
+IN to –IN voltage
PC to –IN voltage
PR to –IN voltage
SC to -OUT voltage
-Sense to -OUT voltage
Isolation voltage
IN to OUT
IN to base
OUT to base
Operating Temperature
Storage Temperature
Pin soldering temperature
Mounting torque
Rating
-0.5 to +155
-0.5 to +7.0
-0.5 to +7.0
-0.5 to +1.5
1.0
3000
1500
500
-55 to +100
-65 to +125
500 (260)
750 (390)
5 (0.57)
Unit
V
DC
V
DC
V
DC
V
DC
V
DC
V
RMS
V
RMS
V
RMS
°C
°C
°F (°C)
°F (°C)
in-lbs (N-m)
Test voltage
Test voltage
Test voltage
M-Grade
M-Grade
<5 sec; wave solder
<7 sec; hand solder
6 each
Notes
Product Overview
These DC-DC converter modules use
advanced power processing, control and
packaging technologies to provide the
performance, flexibility, reliability and cost
effectiveness of a mature power component.
High frequency ZCS/ZVS switching provides
high power density with low noise and
high efficiency.
Part Numbering
e.g. V72A24C400BL
V7 2 A
Product Grade Temperatures (°C)
Grade
Operating
Storage
E
=
- 10 to +100
- 20 to +125
C
=
- 20 to +100
- 40 to +125
T
=
- 40 to +100
- 40 to +125
H
=
- 40 to +100
- 55 to +125
M
=
- 55 to +100
- 65 to +125
B
Output Power
V
OUT
P
OUT
3.3V
264W
5V
300W
8V
300W
12V
400W
15V
400W
24V
400W
28V
400W
36V
400W
48V
400W
Pin Style
Finish
Blank:
Short
Tin/Lead
L:
Long
Tin/Lead
S:
Short ModuMate
Gold
N:
Long ModuMate
Gold
F:
Short RoHS
Gold
G:
Long RoHS
Gold
K:
Extra Long RoHS
Gold
Baseplate
Blank:
Slotted
2:
Threaded
3:
Through-hole
Output Voltage
3 V 3
= 3.3V
5
= 5V
8
= 8V
12
= 12V
15
= 15V
24
= 24V
28
= 28V
36
= 36V
48
= 48V
72V Maxi Family
Page 1 of 11
Rev 2.9
06/2017
vicorpower.com
800 927.9474
72V Input
Module Family Electrical Characteristics
Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified.
All temperatures refer to the operating temperature at the center of the baseplate.
MODULE INPUT SPECIFICATIONS
Parameter
Operating input voltage
Input surge withstand
Undervoltage turn-on
Undervoltage turn-off
Overvoltage turn-off/on
Disabled input current
35.2
111
41.7
36.5
115.5
121
1.5
Min
43
Typ
72
Max
110
150
42.6
Unit
V
DC
V
DC
V
DC
V
DC
V
DC
mA
PC pin low
Notes
Per EN50155 and GBT-25119
<100ms
MODULE OUTPUT SPECIFICATIONS
Parameter
Output voltage setpoint
Line regulation
Temperature regulation
Power sharing accuracy
Programming range
10
Min
Typ
±1
±0.02
±0.002
±2
±0.20
±0.005
±5
110
Max
Unit
%
%
% / °C
%
%
Notes
Of nominal output voltage. Nominal input; full load; 25°C
Low line to high line; full load
Over operating temperature range
10 to 100% of full load
Of nominal output voltage. For trimming below 90%
of nominal, a minimum load of 10% of maximum
rated power may be required.
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
Externally applied
+OUT to –OUT, +Sense to –OUT — Absolute Maximum Ratings
3.3V
5V
8V
12V
15V
24V
28V
36V
48V
–0.5 to 4.7
–0.5 to 7.0
–0.5 to 10.9
–0.5 to 16.1
–0.5 to 20.0
–0.5 to 31.7
–0.5 to 36.9
–0.5 to 47.4
–0.5 to 62.9
V
DC
V
DC
V
DC
V
DC
V
DC
V
DC
V
DC
V
DC
V
DC
Note:
The permissible load current must never be exceeded during normal, abnormal or test conditions. For additional output related application
information, please refer to output connections on page 6.
THERMAL RESISTANCE AND CAPACITY
Parameter
Baseplate to sink; flat, greased surface
Baseplate to sink; thermal pad (P/N 20263)
Baseplate to ambient
Baseplate to ambient; 1000LFM
Thermal capacity
Min
Typ
0.08
0.07
4.9
1.1
165
Max
Unit
°C/Watt
°C/Watt
°C/Watt
°C/Watt
Watt-sec/°C
72V Maxi Family
Page 2 of 11
Rev 2.9
06/2017
vicorpower.com
800 927.9474
72V Input
Module Family Electrical Characteristics (Cont.)
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
PC resistance
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
V
DC
Ω
µF
V
DC
With open trim; referenced to –Sense. See Fig. 7
Referenced to –Sense
0.9
5.7
150
375
2.4
500
2.5
625
2.6
12
1.0
5.9
5.50
1.5
2.3
5.75
2.1
2.6
4
6.00
3.0
2.9
7
0.5
1.1
6.1
V
DC
mA
V
DC
ms
Vavg
MΩ
Volts
mA
Ω
Volts
modules
25°C
Minimum pulse width: 20ns
Without PR buffer amplifier
UV, OV, OT, module fault. See Figs. 3 and 5
See Fig. 3, converter off or fault mode
PR load >30Ω, <30pF
PC current = 1.0mA
PC voltage = 5.5V
During normal operation
Switch must be able to sink
≥4mA.
See Fig. 2
MODULE GENERAL SPECIFICATIONS
Parameter
Remote sense (total drop)
Isolation test voltage (IN to OUT)*
Isolation test voltage (IN to base)*
Isolation test voltage (OUT to base)*
Isolation resistance
Weight (E, C, T grade)
Weight (H, M grade)
6.5
(184.3)
7.4
(209.3)
100
3000
1500
500
10
7.3
(207.5)
8.2
(232.5)
115
cURus, cTÜVus, CE
8.1
(230.7)
9.0
(255.7)
Min
Typ
Max
0.5
Unit
V
DC
V
RMS
V
RMS
V
RMS
MΩ
ounces
(grams)
ounces
(grams)
°C
See Figs. 3 and 5. Do not operate coverter >100°C.
UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.
With appropriate fuse in series with the +Input
Notes
0.25V per leg (sense leads must be connected to
respective, output terminals)
Complies with reinforced insulation requirements
Complies with basic insulation requirements
Complies with operational insulation requirements
IN to OUT, IN to baseplate, OUT to baseplate
Temperature limiting
Agency approvals
* Isolation test voltage, 1 minute or less.
Note:
Specifications are subject to change without notice.
72V Maxi Family
Page 3 of 11
Rev 2.9
06/2017
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800 927.9474
72V Input
MODULE SPECIFIC OPERATING SPECIFICATIONS
3.3V
OUT
, 264W (e.g. V72A3V3C264BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
79
4.14
Typ
80.4
289
4.3
10.2
±0.02
92
92
Max
361
4.46
11.7
±0.2
80
108
108
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
81.6
56
5V
OUT
, 300W (e.g. V72A5C300BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
83.0
6.03
Typ
85.5
100
6.25
10.4
±0.02
69
69
Max
125
6.47
11
±0.2
60
81
81
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
61.2
22
8V
OUT
, 300W (e.g. V72A8C300BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
83.6
9.36
Typ
84.8
215
9.7
10.2
±0.02
43.1
43.1
Max
269
10.1
10.7
±0.2
37.5
50.7
50.7
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
38.2
26.2
12V
OUT
, 400W (e.g. V72A12C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
86.0
13.7
Typ
87.3
320
14.3
12.4
±0.02
38.3
38.3
Max
400
14.9
13.5
±0.2
33.33
45
45
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
33.9
23.3
15V
OUT
, 400W (e.g. V72A15C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
85.2
17.1
Typ
86.7
300
17.8
10.4
±0.02
30.7
30.7
Max
375
18.5
11.2
±0.2
26.67
36.1
36.1
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
27.2
18.6
72V Maxi Family
Page 4 of 11
Rev 2.9
06/2017
vicorpower.com
800 927.9474
72V Input
MODULE SPECIFIC OPERATING SPECIFICATIONS (CONT.)
24V
OUT
, 400W (e.g. V72A24C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
86.5
27.1
Typ
87.9
200
28.1
11
±0.02
19.2
19.2
Max
250
29.1
12.5
±0.2
16.67
23.4
22.6
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
17
11.6
28V
OUT
, 400W (e.g. V72A28C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
86.3
31.5
Typ
88.4
302
32.7
15.6
±0.02
16.4
16.4
Max
378
33.9
17.4
±0.2
14.29
19.4
19.4
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
14.5
10
36V
OUT
, 400W (e.g. V72A36C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
86.0
40.4
Typ
88.0
200
41.9
15.3
±0.02
12.8
12.8
Max
250
43.4
16.0
±0.2
11.11
15
15
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250mV
0
11.3
7.77
48V
OUT
, 400W (e.g. V72A48C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
85.5
53.7
Typ
87.5
250
55.7
14.9
±0.02
9.58
9.58
Max
313
57.7
15.4
±0.2
8.33
11.3
11.3
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20MHz bandwidth
25°C; recycle input voltage or PC to restart (>100ms off)
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