V48B48C250B Datasheet, PDF (1/8 Pages) Vicor Corporation – DC-DC Converter Module

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Features
• DC input range: 36 - 75V
• Input surge withstand: 100V for 100ms
• DC output: 48V
• Programmable output: 10 to 110%
• Regulation: ±0.2%
• Efficiency: 89.5%
• Maximum operating temperature:
100°C at full load
• Power density: 100W/cubic inch
• Height above board: 0.43 in. (10,9 mm)
• Parallelable, with N+M fault tolerance
• Low noise ZCS/ZVS architecture
48Vin / 48Vout / 250Watts
DC-DC Converter Module
Model Number V48B48C250B*
Typical Applications: telecommunications
and distributed power systems
Product Overview
This DC-DC converter module uses
2nd Generation power processing, control
Absolute Maximum Ratings
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
Parameter
+In to –In voltage
+In to –In voltage
Rating
-0.5 to +75
100
secondary windings, resulting in low in-to- ^{PC to –In voltage}
-0.5 to +7.0
out parasitic capacitance and noise.
PR to –In voltage
-0.5 to +7.0
High frequency ZCS/ZVS switching,
advanced power semiconductor packaging
and thermal management provide high
power density with low temperature
+Out to –Out voltage
+Sense to –Out voltage
–Sense to –Out voltage
-0.5 to +62.9
-0.5 to +62.9
1.0
gradients. Extensive use of silicon
SC to –Out voltage
-0.5 to +1.5
integration results in 1/3 the part count
Isolation voltage (in to out)
2000
of a 1st Generation converter.
Isolation voltage (in to base)
1550
* _{Part Numbering}
V 48 B 15 C 250 B
Isolation voltage (out to base)
Storage temperature (C–Grade)
Operating temperature (C–Grade)
500
-40 to +125
-20 to +100
Input Voltage
24 = 24Vin
48 = 48Vin
300 = 300Vin
375 = 375Vin
A = Maxi
B = Mini
C = Micro
Output
Voltage
Output
Power
Pin
Style
Pin soldering temperature
Pin soldering temperature
500 (260)
750 (390)
Product Grade Temperatures (°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
Base-
plate
Mounting torque
5 (0.57)
Thermal Resistance and Capacity
Shown actual size:
2.28 x 2.2 x 0.5 in
57,9 x 55,9 x 12,7 mm
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vrms
Vrms
Vrms
°C
°C
°F (°C)
°F (°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
For pin styles see page 6. Slotted baseplate
(style 1) requires no designator. For
Parameter
Min
Typ
Max
Unit
threaded baseplate add a “2” to the end of Baseplate to sink; flat, greased surface
0.16
°C/Watt
the part number. For thru-hole, add a “3”. _{Baseplate to sink; thermal pad (P/N 20264)}
0.14
See page 7 for dimensions.
Baseplate to ambient
8.0
°C/Watt
°C/Watt
Baseplate to ambient; 1000 LFM
1.9
°C/Watt
Thermal capacity
83
Watt-sec/°C
Vicor Corp. Tel: [phone] Fax: [phone]
V48B48C250B DC-DC Converter
Set your site on VICOR at www.vicorpower.com
Rev. 3
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