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Data Sheet
375V Input Maxi Family
*
DC-DC Converter Module
DC input range: 250 - 425V
Input surge withstand: 500V for 100ms
DC output: 2V - 48V
Programmable output: 10 to 110%
Regulation: 鹵0.2% no load to full load
Efficiency: Up to 90%
Maximum operating temperature:
100擄C at full load
Power density: Up to 120W/cubic inch
Height above board: 0.43 in. (10,9 mm)
Parallelable, with N+M fault tolerance
Low noise ZCS/ZVS architecture
Typical Applications:
distributed power;
off-line systems using power PFC front-ends;
electric vehicles
Shown actual size:
4.6 x 2.2 x 0.5 in
117 x 56 x 12,7 mm
Product Overview
Absolute Maximum Ratings
This DC-DC converter module uses
2nd Generation power processing, control
and packaging technologies to provide the
Parameter
Rating
performance, flexibility and cost effectiveness
+In to 鈥揑n voltage
-0.5 to +425
expected of a mature power component.
+In to 鈥揑n voltage
500
For example, a plated-cavity core transformer
PC to 鈥揑n voltage
-0.5 to +7.0
couples widely separated primary and
secondary windings, resulting in low in-to-
PR to 鈥揑n voltage
-0.5 to +7.0
out parasitic capacitance and noise. High
SC to 鈥揙ut voltage
-0.5 to +1.5
frequency ZCS/ZVS switching, advanced
鈥揝ense to 鈥揙ut Voltage
1.0
power semiconductor packaging and thermal
Isolation voltage (in to out)
3000
management provide high power density
Isolation voltage (in to base)
1550
with low temperature gradients. Extensive
use of silicon integration results in 1/3 the
Isolation voltage (out to base)
500
part count of a 1st Generation converter.
Storage temperature
-40 to +125
Part Numbering
Operating temperature
Pin soldering temperature
Pin soldering temperature
Pin
Style
Base-
plate
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vrms
Vrms
Vrms
擄C
擄C
擄F (擄C)
擄F (擄C)
in-lbs (N-m)
Notes
<100ms
C-Grade
C-Grade
<5 sec; wave solder
<7 sec; hand solder
6 each, # 4-40 or M3
-20 to +100
500 (260)
750 (390)
5 (0.57)
V 375 A 5 C 400 A
Input Voltage
24 = 24Vin
48 = 48Vin
300 = 300Vin
375 = 375Vin
A = Maxi
B = Mini
C = Micro
Output
Voltage
Output
Power
Mounting torque
Product Grade Temperatures (擄C)
Grade
Storage
Operating
C = - 40 to +125 - 20 to +100
T = - 40 to +125 - 40 to +100
H = - 55 to +125 - 40 to +100
M = - 65 to +125 - 55 to +100
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
擄C/Watt
擄C/Watt
擄C/Watt
擄C/Watt
Watt-sec/擄C
For pin styles see page 6. Slotted baseplate
(style 1) requires no designator. For
threaded baseplate add a 鈥?鈥?to the end of
the part number. For thru-hole, add a 鈥?鈥?
See page 7 for dimensions.
* 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 Maxi Family
Rev. 6.1
Page 1 of 8
Set your site on VICOR at www.vicorpower.com
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