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V048F040T050 Datasheet

  • V048F040T050

  • VI Chip - VTM Voltage Transformation Module

  • 343.24KB

  • 13頁(yè)

  • VICOR   VICOR

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PRELIMINARY
VTM
V鈥 Chip 鈥?VTM
Voltage Transformation Module
TM
V048F040T050
鈥?48 V to 4 V V鈥 Chip Converter
鈥?50 A (75 A for 1 ms)
鈥?High density 鈥?182 A/in
3
鈥?Small footprint 鈥?45 A/in
2
鈥?Low weight 鈥?0.5 oz (14 g)
鈥?Pick & Place / SMD
鈥?125擄C operation
鈥?1 碌s transient response
鈥?3.5 million hours MTBF
鈥?Typical efficiency 94%
鈥?No output filtering required
Vf = 26 - 55 V
V
OUT
= 2.17 - 4.58 V
I
OUT
= 50 A
K = 1/12
R
OUT
= 3.9 m惟 max
漏
Actual size
Product Description
The V048F040T050 V鈥 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 碌s and delivers
up to 50 A in a volume of less than 0.274 in
3
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鈥檚 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/in
3
in
a V鈥 Chip package compatible with standard pick-and-
place and surface mount assembly processes. The VTM鈥檚
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.
Absolute Maximum Ratings
Parameter
+In to -In
+In to -In
PC to -In
VC to -In
+Out to -Out
Isolation voltage
Output current
Peak output current
Output power
Peak output power
Case temperature
Operating junction temperature
(1)
Storage temperature
Note:
(1) The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
Values
-1.0 to 60
100
-0.3 to 7.0
-0.3 to 19.0
-0.5 to 12
2,250
50
75
220
330
208
-40 to 125
-55 to 125
-40 to 150
-65 to 150
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
A
A
W
W
擄C
擄C
擄C
擄C
擄C
Notes
For 100 ms
Input to Output
Continuous
For 1 ms
Continuous
For 1 ms
During reflow
T - Grade
M - Grade
T - Grade
M - Grade
Part Numbering
V
Voltage
Transformation
Module
048
Input Voltage
Designator
F
040
Output Voltage
Designator
(=V
OUT
x10)
T
050
Output Current
Designator
(=I
OUT
)
Configuration Options
F = On-board (Figure 10)
Product Grade Temperatures (擄C)
Grade
Storage Operating
T
-40 to150 -40 to125
M
-65 to150 -55 to125
vicorpower.com
800-735-6200
V鈥 Chip Voltage Transformation Module
V048F040T050
Rev. 1.1
Page 1 of 13

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