Data Sheet
*
45
• DC input range: 250 - 425V
• Input surge withstand: 500V for 100ms
• DC output: 2V - 48V
375V Input Micro Family
DC-DC Converter Module
Features
• Programmable output: 10 to 110%
• Regulation: ±0.2% no load to full load
• Efficiency: Up to 88%
• Maximum operating temperature:
100°C at full load
• Power density: Up to 90W/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:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
Typical Applications: distributed power;
off-line systems using power PFC front-ends;
electric vehicles
Product Overview
This DC-DC converter module uses
Absolute Maximum Ratings
2nd Generation power processing, control
and packaging technologies to provide the
performance, flexibility and cost effectiveness
expected of a mature power component.
For example, a plated-cavity core transformer
couples widely separated primary and
secondary windings, resulting in low in-to-
out parasitic capacitance and noise. High
frequency ZCS/ZVS switching, advanced
power semiconductor packaging and thermal
management provide high power density
with low temperature gradients. Extensive
use of silicon integration results in 1/3 the
part count of a 1st Generation converter.
Parameter
Rating
0.5 to +425
500
Unit
Vdc
Notes
+In to –In voltage
-
+In to –In voltage
Vdc
<100ms
PC to –In voltage
-
0.5 to +7.0
0.5 to +7.0
3000
Vdc
PR to –In voltage
-
Vdc
Isolation voltage (in to out)
Isolation voltage (in to base)
Isolation voltage (out to base)
Storage temperature
Operating temperature
Pin soldering temperature
Pin soldering temperature
Mounting torque
Vrms
Vrms
Vrms
°C
1550
500
-
40 to +125
20 to +100
500 (260)
750 (390)
5 (0.57)
C-Grade
-
°C
C-Grade
°F (°C)
°F (°C)
in-lbs (N-m)
<5 sec; wave solder
<7 sec; hand solder
6 each, # 4-40 or M3
Part Numbering
V 375 C 5 C 100 A
Output
Pin
Style
Output
Power
Input Voltage
Voltage
24=24Vin
48=48Vin
Base-
plate
Product Grade Temperatures (°C)
300=300Vin
375=375Vin
Thermal Resistance and Capacity
Grade
Storage
Operating
20 to +100
40 to +100
40 to +100
55 to +100
C
T
H
M
=
=
=
=
-
-
-
-
40 to +125
40 to +125
55 to +125
65 to +125
-
-
-
-
A = Maxi
B = Mini
C = Micro
Parameter
Min
Typ
0.24
0.21
10.9
2.8
Max
Unit
°C/Watt
Baseplate to sink; flat, greased surface
Baseplate to sink; thermal pad (P/N 20265)
Baseplate to ambient
°C/Watt
For pin styles see page 6. Slotted baseplate
(style 1) requires no designator. For
threaded baseplate add a “2” to the end of
the part number. For thru-hole, add a “3”.
See page 7 for dimensions.
°C/Watt
Baseplate to ambient; 1000 LFM
Thermal capacity
°C/Watt
48
Watt-sec/°C
* The modules described here are the highest power for each output voltage.
Consult factory for availability of lower power units.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
375V Micro Family
Rev. 6.4
Page 1 of 8
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