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V048F040T050 Datasheet(PDF) 1 Page - Vicor Corporation

Part No. V048F040T050
Description  VI Chip - VTM Voltage Transformation Module
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Maker  VICOR [Vicor Corporation]
Homepage  http://www.vicorpower.com
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V048F040T050 Datasheet(HTML) 1 Page - Vicor Corporation

 
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vicorpower.com
800-735-6200
V•I Chip Voltage Transformation Module
V048F040T050
Rev. 1.1
Page 1 of 13
PRELIMINARY
Product Description
The V048F040T050 V•I Chip Voltage Transformation
Module (VTM) excels at speed, density and efficiency to
meet the demands of advanced power applications
while providing isolation from input to output. It
achieves a response time of less than 1 µs and delivers
up to 50 A in a volume of less than 0.274 in3 with
unprecedented efficiency. It may be paralleled to deliver
higher power levels at an output voltage settable from
2.17 to 4.58 Vdc.
The VTM V048F040T050’s nominal output voltage is 4
Vdc from a 48 Vdc input Factorized Bus, Vf, and is
controllable from 2.17 to 4.58 Vdc at no load, and from
1.98 to 4.40 Vdc at full load, over a Vf input range of 26
to 55 Vdc. It can be operated either open- or closed-loop
depending on the output regulation needs of the
application. Operating open-loop, the output voltage
tracks its Vf input voltage with a transformation ratio,
K = 1/12, for applications requiring an isolated output
voltage with high efficiency. Closing the loop back to an
input Pre-Regulation Module (PRM) or DC-DC converter
enables tight load regulation.
The 4 V VTM achieves a current density of 182 A/in3 in
a V•I Chip package compatible with standard pick-and-
place and surface mount assembly processes. The VTM’s
fast dynamic response and low noise eliminate the
need for bulk capacitance at the load, substantially
increasing system density while improving reliability
and decreasing cost.
Parameter
Values
Unit
Notes
+In to -In
-1.0 to 60
Vdc
+In to -In
100
Vdc
For 100 ms
PC to -In
-0.3 to 7.0
Vdc
VC to -In
-0.3 to 19.0
Vdc
+Out to -Out
-0.5 to 12
Vdc
Isolation voltage
2,250
Vdc
Input to Output
Output current
50
A
Continuous
Peak output current
75
A
For 1 ms
Output power
220
W
Continuous
Peak output power
330
W
For 1 ms
Case temperature
208
°C
During reflow
Operating junction temperature(1)
-40 to 125
°C
T - Grade
-55 to 125
°C
M - Grade
Storage temperature
-40 to 150
°C
T - Grade
-65 to 150
°C
M - Grade
V•I ChipTM – VTM
Voltage Transformation Module
• 48 V to 4 V V•I Chip Converter
• 50 A (75 A for 1 ms)
• High density – 182 A/in3
• Small footprint – 45 A/in2
• Low weight – 0.5 oz (14 g)
• Pick & Place / SMD
• 125°C operation
• 1 µs transient response
• 3.5 million hours MTBF
• Typical efficiency 94%
• No output filtering required
V048F040T050
Actual size
©
VTM
Note:
(1) The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
Output Current
Designator
(=IOUT)
V
048
F
040
T
050
Voltage
Transformation
Module
Input Voltage
Designator
Product Grade Temperatures (°C)
Grade
Storage
Operating
T
-40 to150 -40 to125
M
-65 to150 -55 to125
Configuration Options
F = On-board (Figure 10)
Output Voltage
Designator
(=VOUT x10)
Part Numbering
Vf = 26 - 55 V
VOUT = 2.17 - 4.58 V
IOUT = 50 A
K = 1/12
ROUT = 3.9 mΩ max
Absolute Maximum Ratings


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