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Data Sheet
48V Input Micro Family
*
DC-DC Converter Module
DC input range: 36 - 75V
Input surge withstand: 100V for 100ms
DC output: 2V - 48V
Programmable output: 10 to 110%
Regulation: 鹵0.2% no load to full load
Efficiency: Up to 91%
Maximum operating temperature:
100擄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
Typical Applications:
telecommunications
and distributed power systems
Shown actual size:
2.28 x 1.45 x 0.5 in
57,9 x 36,8 x 12,7 mm
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
Parameter
Rating
expected of a mature power component.
+In to 鈥揑n voltage
-0.5 to +75
For example, a plated-cavity core transformer
+In to 鈥揑n voltage
100
couples widely separated primary and
PC to 鈥揑n voltage
-0.5 to +7.0
secondary windings, resulting in low in-to-
out parasitic capacitance and noise.
PR to 鈥揑n voltage
-0.5 to +7.0
High frequency ZCS/ZVS switching,
Isolation voltage (in to out)
3000
advanced power semiconductor packaging
Isolation voltage (in to base)
1550
and thermal management provide high
Isolation voltage (out to base)
500
power density with low temperature
Storage temperature (C-Grade)
-40 to +125
gradients. Extensive use of silicon
integration results in 1/3 the part count
Operating temperature (C-Grade)
-20 to +100
of a 1st Generation converter.
Pin soldering temperature
500 (260)
Unit
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
See part numbering chart on this
page for other product grades.
Baseplate
<5 sec; wave solder
<7 sec; hand solder
6 each, # 4-40 or M3
Part Numbering
Pin soldering temperature
Mounting torque
750 (390)
5 (0.57)
V 48 C 24 C 150 A
Input Voltage
24 = 24Vin
48 = 48Vin
300 = 300Vin
375 = 375Vin
A = Maxi
B = Mini
C = Micro
Output
Voltage
Output
Power
Pin
Style
Base-
plate
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 20265)
Baseplate to ambient
Baseplate to ambient; 1000 LFM
Thermal capacity
Min
Typ
0.24
0.21
10.9
2.8
48
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
48V Micro Family
Rev. 5.3
Page 1 of 8
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