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VTM 48 FH 060 x 020A00
(Formerly VIV0105THJ)
VTM?
Current Multiplier
?
S
C
US
C
NRTL
US
FEATURES
? 40 Vdc to 5 Vdc 20 A current multiplier
- Operating from standard 48 V or 24 V PRM TM regulators
? High efficiency (>94%) reduces system power
consumption
? High density (133 A/in 3 )
? “Half Chip” V ? I Chip? package enables surface mount,
low impedance interconnect to system board
? Contains built-in protection features against:
DESCRIPTION
The V ? I Chip? current multiplier is a high efficiency (>94%)
Sine Amplitude Converter? (SAC?) operating from a
26 to 48 Vdc primary bus to deliver an isolated output.
The Sine Amplitude Converter offers a low AC impedance
beyond the bandwidth of most downstream regulators, which
means that capacitance normally at the load can be located
at the input to the Sine Amplitude Converter. Since the K factor
of the VTM48FH060T020A00 is 1/8, that capacitance value can
be reduced by a factor of 64, resulting in savings of board area,
materials and total system cost.
-
-
-
-
Overvoltage
Overcurrent
Short Circuit
Overtemperature
The VTM48FH060T020A00 is provided in a V ? I Chip package
compatible with standard pick-and-place and surface mount
assembly processes. The co-molded V ? I Chip package provides
enhanced thermal management due to large thermal interface
area and superior thermal conductivity. With high conversion
? Provides enable / disable control, internal temperature
monitoring, current monitoring
? ZVS / ZCS resonant Sine Amplitude Converter topology
? Less than 50oC temperature rise at full load
in typical applications
efficiency the VTM48FH060T020A00 increases overall system
efficiency and lowers operating costs compared to conventional
approaches.
The VTM48FH060T020A00 enables the utilization of Factorized
Power Architecture TM providing efficiency and size benefits by
lowering conversion and distribution losses and promoting high
density point of load conversion.
TYPICAL APPLICATIONS
? High End Computing Systems
? Automated Test Equipment
? High Density Power Supplies
? Communications Systems
? 0
V IN = 26 to 48 V
V OUT = 3.3 to 6.0 V ( NO LOAD )
PART NUMBERING
PART NUMBER
VTM 48 F H 060 x 020A00
I OUT = 20 A ( NOM )
K= 1/8
PRODUCT GRADE
T = -40° to 125°C
M = -55° to 125°C
For Storage and Operating Temperatures see Section 6.0 General Characteristics
Regulator
Current Multiplier
VC
PC
IM
PR
PC
TM
SG
OS
CD
VC
TM
L
IL
PRM?
VTM?
O
( See  Application Note AN:024 )
+In
+Out
+In
+Out
A
V IN
D
-In
-Out
-In
-Out
Factorized Power Architecture?
Rev. 2.3
V?I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
5/2011
Page 1 of 16
v i c o r p o w e r. c o m
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