Maxi Family
28 V Wide Input
Actual size:
4.6 x 2.2 x 0.5 in
117 x 56 x 12,7 mm
S
®
C
US
C
NRTL
US
DC-DC Converter Module
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
Absolute Maximum Ratings
Parameter
+In to –In voltage
PC to –In voltage
PR to –In voltage
SC to -Out voltage
-Sense to -Out voltage
+Out to -Out, +Sense to -Out
Isolation voltage
in to out
in to base
out to base
Operating Temperature
Storage Temperature
Pin soldering temperature
Mounting torque
Rating
-0.5 to +53
-0.5 to +7.0
-0.5 to +7.0
-0.5 to +1.5
1.0
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
See Module Output
Specifications
3000
1500
500
-55 to +100
-65 to +125
500 (260)
750 (390)
5 (0.57)
Vrms
Vrms
Vrms
°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
DC input range: 9 – 36 V*
Isolated output
Input surge withstand: 50 V for 100 ms
DC output: 3.3 – 48 V
Programmable output: 10 to 110%
Regulation: ±0.2% no load to full load
Efficiency: Up to 85%
Maximum operating temp: 100°C
Power density: up to 40 W per cubic inch
Height above board: 0.43 in. (10,9 mm)
Parallelable, with N+M fault tolerance
Low noise ZCS/ZVS architecture
RoHS Compliant (with F or G pin option)
Product Overview
These DC-DC converter modules use
advanced power processing, control and
packaging technologies to provide the
performance, flexibility, reliability and cost effec-
tiveness of a mature power component.
High frequency ZCS/ZVS switching provides
high power density with low noise and high
efficiency.
Applications
Industrial and process control, distributed power,
medical, ATE, communications, defense,
aerospace.
*10-36
V DC input range for 3.3, 6.5, 8, 36
and 48 V outputs. All others derate power
to 75% for Vin 9 – 10 V.
For details on proper operation please refer to the
Design Guide & Applications Manual for
Maxi, Mini, Micro Family.
Part Numbering
e.g.
V28A12T200BL2
Output Voltage
3 V 3
= 3.3 V
5
= 5V
6.5
= 6.5 V
8
= 8V
12
= 12 V
15
= 15 V
24
= 24 V
28
= 28 V
36
= 36 V
48
= 48 V
V2 8 A
B
Output Power
Vout
Pout
3.3 V
150
W
5V
175
W
6.5 V
200
W
8V
200
W
12 V
200
W
15 V
200
W
24 V
200
W
28 V
200
W
36 V
200
W
48 V
200
W
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
Product Grade Temperatures (°C)
Grade
Operating
Storage
C
=
-
20 to +100
-
40 to +125
-
40 to +125
T
=
-
40 to +100
H
=
-
40 to +100
-
55 to +125
-
65 to +125
M
=
-
55 to +100
28 V Wide Maxi Family
Page 1 of 11
Rev 2.6
07/2015
vicorpower.com
800 927.9474
28 V 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
7.8
36.3
8.75
8.1
37.8
12
Min
9
Typ
28
Max
36
50
8.9
8.4
39.6
14
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
mA
PC pin low
<100 ms
Notes
MODULE OUTPUT SPECIFICATIONS
Parameter
Output voltage set point
Line regulation
Temperature regulation
Power sharing accuracy
±0.02
±0.002
±2
Min
Typ
Max
±1%
±0.20
±0.005
±5
Unit
Vout nom
%
% / °C
%
Notes
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%
Programming range
10
110
%
of nominal, a minimum load of 10% of maximum
rated power may be required.
+Out to -Out, +Sense to -Out – Absolute Maximum Ratings
3.3 V
5V
6.5 V
8V
12 V
15 V
24 V
28 V
36 V
48 V
-0.5 to 4.7
-0.5 to 7.0
-0.5 to 9.0
-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 47.2
-0.5 to 62.9
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Externally Applied
Externally Applied
Externally Applied
Externally Applied
Externally Applied
Externally Applied
Externally Applied
Externally Applied
Externally Applied
Externally Applied
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; 1000 LFM
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
28 V Wide Maxi Family
Page 2 of 11
Rev 2.6
07/2015
vicorpower.com
800 927.9474
28 V Input
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
Vdc
Ω
µF
Vdc
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
Vdc
mA
Vdc
ms
Vavg
MΩ
Volts
mA
Ω
Volts
modules
25°C
Minimum pulse width: 20 ns
Without PR buffer amplifier
UV, OV, OT, module fault. See Figs. 3 and 5
See Fig. 3, converter off or fault mode
PR load >30
Ω,
< 30 pF
PC current = 1.0 mA
PC voltage = 5.5 V
During normal operation
Switch must be able to sink
≥4
mA. 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
Vdc
Vrms
Vrms
Vrms
MΩ
ounces
(grams)
ounces
(grams)
°C
See Figs. 3 and 5. Do not operate coverter >100C.
UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.
With appropriate fuse in series with the +Input
Notes
0.25 V 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.
28 V Wide Maxi Family
Page 3 of 11
Rev 2.6
07/2015
vicorpower.com
800 927.9474
28 V Input
MODULE SPECIFIC OPERATING SPECIFICATIONS
3.3 Vout, 150 W (e.g. V28A3V3C150BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
77.3
4.14
Typ
78.6
80
4.30
11.4
±0.02
52.3
52.3
Max
100
4.46
12.7
±0.2
45.45
61.5
61.5
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
46.4
31.8
5 Vout, 175 W (e.g. V28A5C175BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Curent
Current limit
Short circuit current
Min
77.0
6.03
Typ
78.6
280
6.25
14.4
±0.02
40.3
40.3
Max
350
6.47
15.5
±0.2
35
49.0
47.3
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
35.7
24.5
6.5 Vout, 200 W (e.g. V28A6V5C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
78.5
7.7
Typ
79.7
275
7.98
11.6
±0.02
35.4
35.4
Max
344
8.26
12.2
±0.2
30.77
41.6
41.6
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
31.4
21.5
8 Vout, 200 W (e.g. V28A8C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Output Current
Current limit
Short circuit current
Min
79.5
9.36
Typ
80.9
325
9.7
15.6
±0.02
28.8
28.8
Max
407
10.1
16.5
±0.2
25
33.8
33.8
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
25.5
17.5
12 Vout, 200 W (e.g. V28A12C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
81.0
13.7
Typ
83.0
280
14.3
11.0
±0.02
19.2
19.2
Max
350
14.9
12.2
±0.2
16.67
22.6
22.6
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250mV
0
17.0
11.6
28 V Wide Maxi Family
Page 4 of 11
Rev 2.6
07/2015
vicorpower.com
800 927.9474
28 V Input
MODULE SPECIFIC OPERATING SPECIFICATIONS
15 Vout, 200 W (e.g. V28A15C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
82.2
17.1
Typ
84.5
220
17.8
12.7
±0.02
15.3
15.3
Max
275
18.5
13.7
±0.2
13.33
20.6
20.6
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
13.5
9.31
24 Vout, 200 W (e.g. V28A24C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
82.8
27.1
Typ
86.0
315
28.1
12.3
±0.02
9.6
9.6
Max
394
29.1
13.5
±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; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
8.49
5.83
28 Vout, 200 W (e.g. V28A28C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
83.5
31.5
Typ
85.0
200
32.7
15.5
±0.02
8.2
8.2
Max
250
33.9
18.0
±0.2
7.14
10.0
10.0
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
7.28
4.99
36 Vout, 200 W (e.g. V28A36C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
80.9
40.4
Typ
82.6
225
41.9
14.4
±0.02
7.7
6.9
Max
282
43.4
16.8
±0.2
5.56
8.06
7.5
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
5.67
3.89
48 Vout, 200 W (e.g. V28A48C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP set point
Dissipation, stand-by
Load regulation
Load Current
Current limit
Short circuit current
Min
81.8
53.7
Typ
82.6
360
55.7
15.6
±0.02
4.4
4.8
Max
450
57.7
18.3
±0.2
4.17
5.84
5.43
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwidth
25°C; recycle input voltage or PC to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
4.25
2.92
28 V Wide Maxi Family
Page 5 of 11
Rev 2.6
07/2015
vicorpower.com
800 927.9474
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