V048F040T050
V048F040M050
VTM
TM
VTM
Current Multiplier
• 48 V to 4 V V•I ChipTM Converter
• 125°C operation (TJ)
©
• 50 A (75.0 A for 1 ms)
• 1 µs transient response
• 3.5 million hours MTBF
• Typical efficiency 94%
• No output filtering required
Vf = 26 - 55 V
VOUT = 2.17 - 4.58 V
IOUT = 50 A
• High density – 169 A/in3
• Small footprint – 40 A/in2
• Low weight – 0.5 oz (15 g)
K = 1/12
ROUT = 3.6 mΩ max
• Pick & Place / SMD
or Through hole
Product Description
Absolute Maximum Ratings
Parameter
Values
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
A
Notes
The V048F040T050 V•I Chip Voltage Transformation
Module 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 0.295 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.
+In to -In
-1.0 to 60
100
+In to -In
For 100 ms
PC to -In
-0.3 to 7.0
-0.3 to 19.0
-0.5 to 12
2,250
VC to -In
+Out to -Out
Isolation voltage
Output current
Peak output current
Output power
Peak output power
Case temperature
Input to output
Continuous
For 1 ms
50
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
1.99 to 4.42 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 PRMTM regulator or DC-DC converter enables tight
load regulation.
75.0
A
221
W
Continuous
For 1 ms
332
W
225
°C
During reflow MSL 5
-40 to 125
-55 to 125
°C
°C
T-Grade
Operating junction temperature(1)
M-Grade
-40 to 125
-65 to 125
°C
°C
T-Grade
Storage temperature
M-Grade
Note:
(1) The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
The 4 V VTM achieves a current density of 169 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.
Part Numbering
V
048
F
040 T
050
Output Voltage
Designator
(=VOUT x10)
Output Current
Designator
Voltage
Transformation
Module
Input Voltage
Designator
(=IOUT
)
Configuration
F = J-lead
T = Through hole
Product Grade Temperatures (°C)
Grade
Storage Operating (TJ)
-40 to125 -40 to125
-65 to125 -55 to125
T
M
vicorpower.com
800-735-6200
V•I Chip Voltage Transformation Module
V048F040T050
Rev. 2.7
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