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V048K015T80 Datasheet

  • V048K015T80

  • VI Chip - VTM Voltage Transformation Module

  • 20頁

  • VICOR   VICOR

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V鈥 Chip 鈥?VTM
Voltage Transformation Module
TM
V048K015T80
V
f
= 32 - 57.6 V
V
OUT
= 1.0 - 1.8 V
I
OUT
= 80 A
K =
1
/
32
R
OUT
= 1.5 m鈩?max
漏
1
鈥?48V to 1.5V V鈥 Chip Converter
鈥?80 A (120 A for 1 ms)
鈥?High density 鈥?up to 320 A/in
3
鈥?Small footprint 鈥?80 A/in
2
鈥?Low weight 鈥?0.4 oz (12 g)
鈥?Pick & Place / SMD
鈥?>92% efficiency at 1.5V
鈥?125擄C operation
鈥?1 碌s transient response
鈥?>3.5 million hours MTBF
鈥?No output filtering required
鈥?V鈥 Chip BGA package
Actual size
Product Description
Chip Voltage Transformation
Module (VTM) breaks records for speed, density and
efficiency to meet the demands of advanced DSP,
FPGA, ASIC, processor cores and microprocessor
applications at the point of load (POL) while providing
isolation from input to output. It achieves a response
time of less than 1 碌s and delivers up to 80A in a
volume of less than 0.25 in
3
while converting 48 V to
1.5 V with unprecedented efficiency. It may be
paralleled to deliver hundreds of amps at an output
voltage settable from 1.0 to 1.8 Vdc.
The VTM V048K015T80鈥檚 nominal output voltage is
1.5 Vdc from a 48 Vdc input factorized bus, V
f
, and is
controllable from 1.0 to 1.8 Vdc at no load, and from
0.9 V to 1.7 V at full load, over a V
f
input range of 32 to
57.6 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 V
f
input voltage with a transformation ratio,
K=
1
/
32
, and an output resistance, R
OUT
=1.3 milliohm,
to enable applications requiring a programmable low
output voltage at high current and high efficiency.
Closing the loop back to an input Pre-Regulation
Module (PRM) or DC-DC converter may be used to
compensate for R
OUT
.
The V048K015T80 V
鈥?/div>
I
Absolute Maximum Ratings
Parameter
+In to -In
+In to -In
PC to -In
TM to -In
SG to -In
+Out to -Out
Isolation voltage
Operating junction temperature
Output current
Values
-1.0 to 60.0
100
-0.3 to 7.0
-0.3 to 7.0
500
Unit
Vdc
Vdc
Vdc
Vdc
mA
Notes
For 100 ms
-0.5 to 5.0
1500
P
L
E
R
IN
IM
Peak output current
Case temperature during reflow
Storage temperature
Output power
Peak output power
-40 to 125
80
120
208
Y
R
A
Vdc
Vdc
擄C
A
See note 2
Continuous
A
For 1 ms
擄C
擄C
W
W
Continuous
For 1 ms
Typ
1.1
2.1
6.5
5.0
Max
1.5
2.5
Input to Output
-40 to 150
144
216
Thermal Resistance
Symbol
R
胃JC
R
胃JB
R
胃JA
R
胃JA
Notes
1. For complete product matrix, see chart on page 10.
2. The referenced junction is defined as the semiconductor having the highest temperature. This
temperature is monitored by the temperature monitor (TM) signal and by a shutdown comparator.
3. V048K015T80 surface mounted in-board to a 2" x 2" FR4 board, 4 layers 2 oz Cu, 300 LFM.
4. V048L015T80 (0.25"H integral Pin Fins) surface mounted on FR4 board, 300 LFM.
Parameter
Junction-to-case
Junction-to-BGA
Junction-to-ambient
3
Junction-to-ambient
4
Units
擄C/W
擄C/W
擄C/W
擄C/W
The 1.5V VTM achieves break-through current density
of 320 A/in
3
in a V
鈥?/div>
I Chip package compatible with
standard pick-and-place and surface mount assembly
processes. The V
鈥?/div>
I Chip BGA package supports in-board
mounting with a low profile of 0.16" (4mm) over the
board. A J-lead package option supports on-board
surface mounting with a profile of only 0.25" (6mm)
over the board. The VTM鈥檚 fast dynamic response and
low noise eliminate the need for bulk capacitance at the
load, substantially increasing the POL density while
improving reliability and decreasing cost.
7.2
5.5
45
Vicor Corporation Tel: 800-735-6200 vicorpower.com
V鈥 Chip Voltage Transformation Module
Rev. 1.6
Page 1 of 20

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