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Vicor Corporation
Vicor Corporation

V048F030T070 Datasheet Preview

V048F030T070 Datasheet

(V048x030T070) Voltage Transformation Module

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VTM
PRELIMINARY
V•I ChipTM – VTM
Voltage Transformation Module
• 48 V to 3 V V•I Chip Converter
• 70 A (105 A for 1 ms)
• High density – 284 A/in3
• Small footprint – 60 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
• Surface mount BGA or J-Lead
packages
V048K030T070
K indicates BGA configuration. For other
mounting options see Part Numbering below.
©
Vf = 26 - 55 V
VOUT = 1.63 - 3.43 V
IOUT = 70 A
K = 1/16
ROUT = 2.0 mmax
Actual size
Product Description
The V048K030T070 V•I Chip Voltage Transformation
Module (VTM) breaks records for speed, density and
efficiency to meet the demands of advanced DSP, FPGA,
and ASIC at the point of load (POL) while providing
isolation from input to output. It achieves a response
time of less than 1 µs and delivers up to 70 A in a
volume of less than 0.25 in3 with unprecedented
efficiency. It may be paralleled to deliver hundreds of
amps at an output voltage settable from 1.63 to 3.43
Vdc.
The VTM V048K030T070’s nominal output voltage is
3 Vdc from a 48 Vdc input Factorized Bus, Vf, and is
controllable from 1.63 to 3.43 Vdc at no load, and from
1.49 to 3.29 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 = 1/16, for applications requiring a programmable
output voltage at high current and high efficiency.
Closing the loop back to an input Pre-Regulation Module
(PRM) or DC-DC converter enables tight load regulation.
The 3 V VTM achieves break-through current density of
284 A/in3 in a V•I Chip package compatible with standard
pick-and-place and surface mount assembly processes.
The V•I Chip BGA package supports in-board mounting
with a low profile of 0.16" (4 mm) over the board.
A J-lead package option supports on-board surface
mounting with a profile of only 0.25" (6 mm) over the
board. The VTM’s 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.
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)
Values
-1.0 to 60
100
-0.3 to 7.0
-0.3 to 19.0
-0.1 to 6.0
2,250
70
105
210
315
208
-40 to 125
-55 to 125
Storage temperature
-40 to 150
-65 to 150
Unit
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
A
A
W
W
°C
°C
°C
°C
°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
Note:
(1) The referenced junction is defined as the semiconductor having the highest temperature.
This temperature is monitored by a shutdown comparator.
Part Numbering
V 048
Voltage
Transformation
Module
Input Voltage
Designator
K
Configuration Options
F = On-board (Figure 15)
K = In-board (Figure 14)
030
Output Voltage
Designator
(=VOUT x10)
T
070
Output Current
Designator
(=IOUT)
Product Grade Temperatures (°C)
Grade Storage Operating
T -40 to150 -40 to125
M -65 to150 -55 to125
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048K030T070
Rev. 1.0
Page 1 of 15



Vicor Corporation
Vicor Corporation

V048F030T070 Datasheet Preview

V048F030T070 Datasheet

(V048x030T070) Voltage Transformation Module

No Preview Available !

V048F030T070 pdf
Electrical Specifications
PRELIMINARY
V•I Chip Voltage Transformation Module
Input Specs (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Input voltage range
Input dV/dt
Input overvoltage turn-on
Input overvoltage turn-off
Input current
Input reflected ripple current
No load power dissipation
Internal input capacitance
Internal input inductance
Min Typ Max Unit
Note
26 48 55 Vdc Operable down to zero V with VC voltage applied
1 V/µs
55 Vdc
60 Vdc
4.8 Adc
182
mA p-p
Using test circuit in Figure 16; See Figure 1
3.3 4.56
W
4 µF
20 nH
Output Specs (Conditions are at 48 Vin, full load, and 25°C ambient unless otherwise specified)
Parameter
Output voltage
Rated DC current
Peak repetitive current
DC current limit
Current share accuracy
Efficiency
Half load
Full load
Internal output inductance
Internal output capacitance
Output overvoltage setpoint
Output ripple voltage
No external bypass
10 µF bypass capacitor
Effective switching frequency
Line regulation
K
Load regulation
ROUT
Transient response
Voltage overshoot
Response time
Recovery time
Min
1.63
1.49
0
71.4
94.0
93.5
3.4
2.5
0.0619
Typ Max
3.43
3.29
70
105
87.1 94.5
5 10
94.5
94.1
1.1
254
80
8.6
2.6
1/16
1.8
66
200
1
100
2.8
0.0631
2.0
Unit
Vdc
Vdc
Adc
A
Adc
%
%
%
nH
µF
Vdc
mV
mV
MHz
m
mV
ns
µs
Note
No load
Full load
Max pulse width 1ms, max duty cycle 10%,
baseline power 50%
Module will shut down when current limit is reached
or exceeded
See Parallel Operation on Page 10
See Figure 3
See Figure 3
Effective value
See Figures 2 and 5
See Figure 6
Fixed, 1.3 MHz per phase
VOUT = K•VIN at no load
See Figure 19
70 A load step with 100 µF CIN; See Figures 7 and 8
See Figures 7 and 8
See Figures 7 and 8
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048K030T070
Rev. 1.0
Page 2 of 15


Part Number V048F030T070
Description (V048x030T070) Voltage Transformation Module
Maker Vicor Corporation
Total Page 15 Pages
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