Data Sheet
48V Input Maxi Family
DC-DC Converter Module
Features
•
•
•
•
•
•
•
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•
•
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RoHS Compliant (with F or G pin option)
DC input range: 36 – 75 V
Input surge withstand: 100 V for 100 ms
DC output: 3.3 – 48 V
Programmable output: 10 to 110%
Regulation: ±0.3% no load to full load
Efficiency: Up to 89%
Maximum operating temp: 100°C, full load
Power density: up to 100 W per cubic inch
Height above board: 0.43 in. (10,9 mm)
Parallelable, with N+M fault tolerance
Low noise ZCS/ZVS architecture
Shown actual size:
4.6 x 2.2 x 0.5 in
117 x 56 x 12,7 mm
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.
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
Rating
-0.5 to +105
-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)
Mounting torque
5 (0.57)
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
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
Applications
Distributed power, medical, ATE,
communications, defense, aerospace
Part Numbering
e.g. V48A12T500BL2
V48A
Output Voltage
3 V 3
= 3.3 V
5
= 5V
8
= 8V
12
= 12 V
15
= 15 V
24
= 24 V
28
= 28 V
36
= 36 V
48
= 48 V
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
Vout
Pout
3.3 V
264
W
5V
400
W
8V
400
W
12 V
500
W
15 V
500
W
24 V
500
W
28 V
500
W
36 V
500
W
48 V
500
W
Pin Style
Blank:
Short Tin/Lead
L:
Long Tin/Lead
S:
Short ModuMate
N:
Long ModuMate
F:
Short RoHS
G:
Long RoHS
Baseplate
Blank:
Slotted
2:
Threaded
3:
Through-hole
For a description of pin
options, see page 9.
Baseplate options include
slotted flanges, threaded
and through-hole.
See page 10 for dimensions.
For other package sizes and
power levels, see the Mini
(half size) and Micro
(quarter size) datasheets.
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
48V Maxi Family
Rev. 7.4
Page 1 of 11
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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
29.4
75.7
34.9
30.5
78.8
82.5
2.5
Min
36
Typ
48
Max
75
100
35.7
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
mA
PC pin low
<100 ms
Notes
MODULE OUTPUT SPECIFICATIONS
Parameter
Output voltage setpoint
Line regulation
Temperature regulation
Power sharing accuracy
Programming range
10
±0.02
±0.002
±2
Min
Typ
Max
±1%
±0.2
±0.005
±5
110
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%
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
+Out to –Out, +Sense to –Out — Absolute Maximum Ratings
3.3 V
5V
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 16.1
-0.5 to 20.0
-0.5 to 31.7
-0.5 to 36.9
-0.5 to 47.1
-0.5 to 62.9
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Note:
For important information relative to applications where the converter modules are subject to continuous dynamic loading,
contact Vicor applications engineering at 800-927-9474.
THERMAL RESISTANCE AND CAPACITY
Parameter
Baseplate to sink; flat, greased surface
Baseplate to sink; thermal pad (P/N 20265)
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
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
48V Maxi Family
Rev. 7.4
Page 2 of 11
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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
Vdc
Ω
µF
Vdc
With open trim; referenced to –Sense. See Fig. 6
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. 2 and 4
See Fig. 2
PR load >30 Ω, < 30 pF
PC current = 1.0 mA
PC voltage = 5.5 V
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
7.4
(209.3)
100
3000
1500
500
10
8.2
(232.5)
115
cURus, TÜV, CE
9.0
(255.7)
Min
Typ
Max
0.5
Unit
Vdc
Vrms
Vrms
Vrms
MΩ
ounces
(grams)
°C
See Figs. 2 and 4
UL60950-1, EN60950-1, CSA60950-1, IEC60950-1.
With appropriate fuse in series with the +Input
Notes
0.25 V per leg (senses must be closed)
Complies with reinforced insulation requirements
Complies with basic insulation requirements
Complies with operational insulation requirements
Note:
Specifications are subject to change without notice.
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
48V Maxi Family
Rev. 7.4
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MODULE SPECIFIC OPERATING SPECIFICATIONS
3.3 Vout, 264 W (e.g. V48A3V3C264BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
79
4.14
Typ
80.8
90
4.3
8
±0.1
94.7
92
Max
113
4.46
11.1
±0.3
80
108
112
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
0
81.6
56
5 Vout, 400 W (e.g. V48A5C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
83.5
6.03
Typ
84.5
80
6.25
7.3
±0.02
92
92
Max
100
6.47
11
±0.2
80
104
104
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
0
81.6
8
8 Vout, 400 W (e.g. V48A8C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load Current
Current limit
Short circuit current
Min
83
9.36
Typ
84.8
250
9.7
13
±0.02
57.5
57.5
Max
313
10.1
14.5
±0.2
50
67.5
67.5
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
51
35
12 Vout, 500 W (e.g. V48A12C500BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
86
13.7
Typ
88
60
14.3
10.8
±0.02
48
48
Max
75
14.9
15
±0.2
41.67
54.3
54.3
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
0
42.5
29.1
15 Vout, 500 W (e.g. V48A15C500BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87
17.1
Typ
89.5
85
17.8
10
±0.02
38.3
38.3
Max
106
18.5
16
±0.2
33.33
45
46.7
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
0
33.9
3.8
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
48V Maxi Family
Rev. 7.4
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MODULE SPECIFIC OPERATING SPECIFICATIONS
24 Vout, 500 W (e.g. V48A24C500BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
86
27.1
Typ
87.5
75
28.1
8
±0.02
23.4
23.4
Max
94
29.1
12
±0.2
20.83
25.1
25.1
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
0
21.3
14.6
28 Vout, 500 W (e.g. V48A28C500BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
88.5
31.5
Typ
89.4
50
32.7
7
±0.02
20.6
20.6
Max
63
33.9
10.5
±0.2
17.86
23.3
24.2
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
18.2
12.5
36 Vout, 500 W (e.g. V48A36C500BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87.5
40.4
Typ
86.8
120
41.9
9.9
±0.02
16
16
Max
150
43.4
10.9
±0.2
13.89
18.8
18.8
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
14.1
9.73
48 Vout, 500 W (e.g. V48A48C500BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
88.7
53.7
Typ
89.7
218
55.7
7.6
±0.02
12
12
Max
273
57.7
11.4
±0.2
10.42
13.6
14.8
Unit
%
mV
Volts
Watts
%
Amps
Amps
Amps
Notes
Nominal input; full load; 25°C
p-p; Nominal input; full load; 20 MHz bandwith
25°C; recycle input voltage to restart (>100 ms off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250 mV
0
10.6
6.2
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
48V Maxi Family
Rev. 7.4
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