Data Sheet
24V Input Maxi Family
DC-DC Converter Module
Features
•
•
•
•
•
•
•
•
•
•
•
•
RoHS Compliant (with F or G pin option)
DC input range: 18 – 36 V
Input surge withstand: 50 V for 100 ms
DC output: 3.3 – 48 V
Programmable output: 10 to 110%
Regulation: ±0.5% no load to full load
Efficiency: Up to 88%
Maximum operating temp: 100°C, full load
Power density: up to 80 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
+Out to -Out, +Sense to -Out
Rating
-0.5 to +36
-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)
Mounting torque
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
Applications
Industrial and process control, distributed
power, medical, ATE, communications,
defense, aerospace
Isolation voltage
in to out
in to base
out to base
Operating Temperature
Storage Temperature
Part Numbering
e.g. V24A12T400BL2
Pin soldering temperature
V24A
B
Output Voltage
3V 3
5
8
12
15
24
28
36
48
=
=
=
=
=
=
=
=
=
3.3 V
5V
8V
12 V
15 V
24 V
28 V
36 V
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
Vout
3.3 V
5V
8V
12 V
15 V
24 V
28 V
36 V
48 V
Output Power
Pout
264
W,
200
W
400
W,
300
W
300
W
400
W,
300
W
400
W,
300
W
400
W,
300
W
400
W,
300
W
400
W,
300
W
400
W,
300
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 10.
Baseplate options include
slotted flanges, threaded
and through-hole.
See page 11 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
24V Maxi Family
Rev. 3.8
Page 1 of 13
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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
14.8
36.3
17.5
15.3
37.8
39.6
Min
18
Typ
24
Max
36
50
17.9
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Modules will operate down to 16 Vin at 75% rated power
after startup at >17.9 V except the following models:
3.3 V/264 W, 5 V/400 W, 12 V/400 W, 15 V/400 W, 28 V/400 W
Notes
See undervoltage turn-off note
<100 ms
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%
±0.20
±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
Externally applied
+Out to -Out, +Sense to -Out – Absolute Maximum Ratings
3.3 V
-0.5 to 4.7
5V
-0.5 to 7.0
8V
-0.5 to 10.9
12 V
-0.5 to 16.1
15 V
-0.5 to 20.0
24 V
-0.5 to 31.7
28 V
-0.5 to 36.9
36 V
-0.5 to 47.2
48 V
-0.5 to 62.9
Vdc
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
24V Maxi Family
Rev. 3.8
Page 2 of 13
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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
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
6.00
3.0
2.9
7
0.5
6.1
Vdc
mA
Vdc
ms
Vavg
Volts
mA
ohms
Volts
modules
25°C
Minimum pulse width: 20 ns
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 = 5.5 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
3000
1500
500
10
8.2
(232.5)
8.3
(235.3)
Min
Typ
Max
0.5
Unit
Vdc
Vrms
Vrms
Vrms
megohms
ounces
(grams)
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
Temperature limiting
Agency approvals
100
115
cURus, TÜV, CE
°C
See Figs. 2 and 4
UL60950-1, EN60950-1, CSA60950-1, IEC60950-1
With appropriate fuse in series with the +Input
Note:
Specifications are subject to change without notice.
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Maxi Family
Rev. 3.8
Page 3 of 13
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MODULE SPECIFIC OPERATING SPECIFICATIONS
3.3 Vout, 264 W (e.g. V24A3V3C264BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
75.5
4.14
Typ
78.5
75
4.3
8
±0.02
92
92
Max
94
4.46
12
±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; 20 MHz bandwith
25°C; recycle input voltage to restart (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
81.6
56
3.3 Vout, 200 W (e.g. V24A3V3C200BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
73.9
4.48
Typ
79.9
43
4.65
6.2
±0.02
69.7
69.7
Max
54
4.82
10
±0.2
60.6
81.9
81.9
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 (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
61.8
42.4
5 Vout, 400 W (e.g. V24A5C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
80
6.03
Typ
82
152
6.25
6.8
±0.02
92
92
Max
190
6.47
10.1
±0.25
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 (1 minute 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, 300 W (e.g. V24A5C300BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
82.5
6.03
Typ
84.4
120
6.25
7.2
±0.02
69
69
Max
150
6.47
8.8
±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; 20 MHz bandwith
25°C; recycle input voltage to restart (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
61.2
42
8 Vout, 300 W (e.g. V24A8C300BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
79.5
9.36
Typ
82.5
215
9.7
8.7
±0.02
43.1
43.1
Max
269
10.1
13.9
±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 bandwith
25°C; recycle input voltage to restart (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <300 mV
0
38.2
26.2
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Maxi Family
Rev. 3.8
Page 4 of 13
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MODULE SPECIFIC OPERATING SPECIFICATIONS (CONT.)
12 Vout, 400 W (e.g. V24A12C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
85
13.7
Typ
86.8
70
14.3
6.8
±0.02
38.4
38.4
Max
88
14.9
10.2
±0.2
33.33
43.5
43.5
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 (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
34
23.3
12 Vout, 300 W (e.g. V24A12C300BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
86
13.7
Typ
87
196
14.3
6.9
±0.02
28.8
28.8
Max
245
14.9
8.6
±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 bandwith
25°C; recycle input voltage to restart (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage < 250mV
0
25.5
17.5
15 Vout, 400 W (e.g. V24A15C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
86.1
17.1
Typ
87.5
60
17.8
6.3
±0.02
30.7
30.7
Max
75
18.5
9.4
±0.2
26.67
34.8
37.9
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 (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
27.2
18.6
15 Vout, 300 W (e.g. V24A15C300BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
85
17.1
Typ
86.2
160
17.8
8.1
±0.02
23
23
Max
200
18.5
10
±0.2
20
27
27
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 (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
20.4
14
24 Vout, 400 W (e.g. V24A24C400BL)
Parameter
Efficiency
Ripple and noise
Output OVP setpoint
Dissipation, standby
Load regulation
Load current
Current limit
Short circuit current
Min
87
27.1
Typ
88.5
80
28.1
11
±0.02
19.2
19.2
Max
100
29.1
12
±0.2
16.67
21.7
21.7
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 (1 minute off)
No load
No load to full load; nominal input
Output voltage 95% of nominal
Output voltage <250 mV
0
17
2.25
Vicor Corp.
Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
24V Maxi Family
Rev. 3.8
Page 5 of 13
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