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V048K160T015 Schematic ( PDF Datasheet ) - Vicor Corporation

Teilenummer V048K160T015
Beschreibung (V048x160x015) Voltage Transformation Module
Hersteller Vicor Corporation
Logo Vicor Corporation Logo 




Gesamt 15 Seiten
V048K160T015 Datasheet, Funktion
www.DataSheet4U.com
VTM
PRELIMINARY
V•I ChipTM – VTM
Voltage Transformation Module
• 48 V to 16 V V•I Chip Converter
• 15.0 A (22.5 A for 1 ms)
• High density – 974 W/in3
• Small footprint – 220 W/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 96%
• No output filtering required
• Surface mount BGA or J-Lead
packages
V048K160T015
K indicates BGA configuration. For other
mounting options see Part Numbering below.
©
Vf = 26 - 55 V
VOUT = 8.67 - 18.3 V
IOUT = 15.0 A
K = 1/3
ROUT = 35.0 mmax
Actual size
Product Description
The V048K160T015 V•I 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 µs and delivers
up to 15.0 A in a volume of less than 0.25 in3 with
unprecedented efficiency. It may be paralleled to deliver
higher power levels at an output voltage settable from
8.67 to 18.3 Vdc.
The VTM V048K160T015’s nominal output voltage is
16 Vdc from a 48 Vdc input Factorized Bus, Vf, and is
controllable from 8.67 to 18.3 Vdc at no load, and from
8.15 to 17.9 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 = 1/3 , 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 16 V VTM achieves a power density of 974 W/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 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)
Values
-1.0 to 60.0
100
-0.3 to 7.0
-0.3 to 19.0
-0.1 to 25.0
2,250
15.0
22.5
269
403
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)
160
Output Voltage
Designator
(=VOUT x10)
T
015
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
V048K160T015
Rev. 1.0
Page 1 of 15






V048K160T015 Datasheet, Funktion
Pin/Control Functions
PRELIMINARY
V•I Chip Voltage Transformation Module
+IN/-IN DC Voltage Ports
The VTM input should not exceed the maximum specified. Be aware of
this limit in applications where the VTM is being driven above its
nominal output voltage. If less than 26 Vdc is present at the +In and -In
ports, a continuous VC voltage must be applied for the VTM to process
power. Otherwise VC voltage need only be applied for 10 ms after the
voltage at the +In and -In ports has reached or exceeded 26 Vdc. If the
input voltage exceeds the overvoltage turn-off, the VTM will shutdown.
The VTM does not have internal input reverse polarity protection.
Adding a properly sized diode in series with the positive input or a
fused reverse-shunt diode will provide reverse polarity protection.
TM – For Factory Use Only
VC – VTM Control
The VC port is multiplexed. It receives the initial VCC voltage from an
upstream PRM, synchronizing the output rise of the VTM with the
output rise of the PRM. Additionally, the VC port provides feedback to
the PRM to compensate for the VTM output resistance. In typical
applications using VTMs powered from PRMs, the PRM’s VC port
should be connected to the VTM VC port.
In applications where a VTM is being used without a PRM, 14 V must
be supplied to the VC port for as long as the input voltage is below 26 V
and for 10 ms after the input voltage has reached or exceeded 26 V. The
VTM is not designed for extended operation below 26 V. The VC port
should only be used to provide VCC voltage to the VTM during startup.
+Out
-Out
+Out
-Out
43
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
AL
21
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
AL
+In
TM
VC
PC
-In
Bottom View
Signal Name
+In
–In
TM
VC
PC
+Out
–Out
BGA Designation
A1-L1, A2-L2
AA1-AL1, AA2-AL2
P1, P2
T1, T2
V1, V2
A3-G3, A4-G4,
U3-AC3, U4-AC4
J3-R3, J4-R4,
AE3-AL3, AE4-AL4
PC – Primary Control
The Primary Control (PC) port is a multifunction port for controlling the
VTM as follows:
Disable – If PC is left floating, the VTM output is enabled. To
disable the output, the PC port must be pulled lower than 2.4 V,
referenced to -In. Optocouplers, open collector transistors or relays
can be used to control the PC port. Once disabled, 14 V must be
re-applied to the VC port to restart the VTM.
Primary Auxiliary Supply – The PC port can source up to 2.4 mA
at 5 Vdc.
Figure 9—VTM BGA configuration
+OUT/-OUT DC Voltage Output Ports
The output and output return are through two sets of contact
locations. The respective +Out and –Out groups must be connected in
parallel with as low an interconnect resistance as possible. Within the
specified input voltage range, the Level 1 DC behavioral model shown
in Figure 19 defines the output voltage of the VTM. The current source
capability of the VTM is shown in the specification table.
To take full advantage of the VTM, the user should note the low output
impedance of the device. The low output impedance provides fast
transient response without the need for bulk POL capacitance. Limited-
life electrolytic capacitors required with conventional converters can be
reduced or even eliminated, saving cost and valuable board real estate.
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048K160T015
Rev. 1.0
Page 6 of 15

6 Page









V048K160T015 pdf, datenblatt
Application Note (continued)
In Figures 21 – 23;
K = VTM Transformation Ratio
RO = VTM Output Resistance
FPA Adaptive Loop
PRELIMINARY
V•I Chip Voltage Transformation Module
Vf = PRM Output (Factorized Bus Voltage)
VO = VTM Output
VL = Desired Load Voltage
Vin
VC VH
PC SC
TM SG
IL OS
NC NC
PR CD
PRM-AL
+In +Out
ROS
RCD
–In –Out
Factorized
Bus (Vf)
Vf =
VL
K
+
(Io•Ro)
K
Vo = VL ± 1.0%
+Out
+In
-Out
TM
VC
VTM
PC
+Out
K
Ro-In
-Out
L
O
A
D
Figure 21 — The PRM controls the factorized bus voltage, Vf, in proportion to output current to compensate for the output resistance, Ro, of the VTM. The VTM
output voltage is typically within 1% of the desired load voltage (VL) over all line and load conditions.
FPA Non-isolated Remote Loop
Vin
VC VH
PC SC
TM SG
IL OS
NC NC
PR PRM-AL CD
+In +Out
–In –Out
Remote
Loop
Control
Factorized
Power Bus
Vf = f (Vs)
+Out
+In
-Out
TM
VC
VTM
PC
+Out
K
Ro-In
-Out
Vo = VL ± 0.4%
+S L
O
A
–S D
Figure 22 — An external error amplifier or Point-of-Load IC (POLIC) senses the load voltage and controls the PRM output – the Factorized Bus – as a function of
output current, compensating for the output resistance of the VTM and for distribution resistance.
FPA Isolated Remote Loop
Vin
VC VS
PC FB
TM FG
IL NC
NC NC
PR NC
PRM-IF
+In +Out
–In –Out
Factorized
Power Bus
Vf = f (Vs)
Remote
Loop
Control
+Out
+In
-Out
TM
VC
VTM
PC
+Out
K
Ro-In
-Out
Vo = VL ± 0.4%
+S L
O
A
–S D
Figure 23—An external error amplifier or Point-of-Load IC (POLIC) senses the load voltage and controls the PRM output – the factorized bus – as a function of
output current, compensating for the output resistance of the VTM and for distribution resistance. The Factorized Bus voltage (Vf) increases in proportion to load
current. The remote feedback loop is isolated within the PRM to support galvanic isolation and hipot compliance at the system level.
vicorpower.com 800-735-6200
V•I Chip Voltage Transformation Module
V048K160T015
Rev. 1.0
Page 12 of 15

12 Page





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