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Not Recommended for New Designs - Replaced by VTM48Ex080y030A00
VTM ? Current Multiplier
V048F080T030
V 048 F 080 M 030
S
C
NRTL
US
High Efficiency, Sine Amplitude Converter ?
? 48 V to 8 V VI Chip ? Converter
? 30 A (45.0 A for 1 ms)
? High density – 813 W/in 3
? 125°C operation (T J )
? 1 μs transient response
? 3.5 million hours MTBF
V F = 26 - 55 V
V OUT = 4.34 - 9.16 V
I OUT = 30 A
R OUT = 10.0 m ? max
? Small footprint – 210 W/in 2
? Low weight – 0.5 oz (15 g)
? Typical efficiency 96%
? No output filtering required
K = 1/6
?
? Pick & Place / SMD
or Through hole
Product Description
Absolute Maximum Ratings
The V048F080T030 VI Chip ? current multiplier 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 30 A in a volume of less than
0.295 in 3 with unprecedented efficiency. It may be
paralleled to deliver higher power levels at an output
voltage settable from 4.34 to 9.16 Vdc.
The VTM V048F080T030’s nominal output voltage is
8 Vdc from a 48 Vdc input Factorized Bus, V F , and is
controllable from 4.34 to 9.16 Vdc at no load, and from
4.04 to 8.89 Vdc at full load, over a V F input range of 26
to 55 Vdc. It can be operated either open- or closed-loop
depending on the output regulation needs of the
Parameter
+In to -In
PC to -In
VC to -In
+Out to -Out
Isolation voltage
Output current
Peak output current
Output power
Peak output power
[a]
Case temperature during reflow
Values
-1.0 to 60
100
-0.3 to 7.0
-0.3 to 19.0
-0.5 to 16
2,250
30
45.0
267
400
225
245
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
A
A
W
W
°C
°C
Notes
For 100 ms
Input to output
Continuous
For 1 ms
Continuous
For 1 ms
MSL 5
MSL 6, TOB = 4 hrs
application. Operating open-loop, the output voltage
tracks its V F input voltage with a transformation ratio,
K = 1/6 , for applications requiring an isolated output
voltage with high efficiency. Closing the loop back to an
input PRM ? regulator or DC-DC converter enables tight
Operating junction temperature
Storage temperature
[b]
-40 to 125
-55 to 125
-40 to 125
-65 to 125
°C
°C
°C
°C
T-Grade
M-Grade
T-Grade
M-Grade
load regulation.
The 8 V VTM module achieves a power density
of 813 W/in 3 in a VI Chip package compatible with
standard pick-and-place and surface mount assembly
processes. The VTM modules fast dynamic response and
low noise eliminate the need for bulk capacitance at the
Notes:
[a] 245°C reflow capability applies to product with manufacturing date code 1001 and greater.
[b] The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
Part Numbering
load, substantially increasing system density while
improving reliability and decreasing cost.
V
048
F
080
T
030
VTM?
Module
Input Voltage
Designator
Output Voltage
Designator
(=V OUT x10)
Output Current
Designator
(=I OUT )
Configuration
Product Grade Temperatures (°C)
F = J-lead
T = Through hole
Grade
T
M
Storage Operating (T J )
-40 to125 -40 to125
-65 to125 -55 to125
VTM ? Current Multiplier
Page 1 of 11
Rev 2.8
01/2014
vicorpower.com
800 927.9474
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