VTM48EH015X050A00 Datasheet, PDF (1/16 Pages) Vicor Corporation – High Efficiency, Sine Amplitude Converter

VTM^® Current Multiplier
VTM48EH015 x 050A00
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High Efficiency, Sine Amplitude Converter™
FEATURES
• 48 Vdc to 1.5 Vdc 50 A current multiplier
- Operating from standard 48 V or 24 V PRM modules
• High efficiency (>89%) reduces system power
consumption
• High density (334 A/in³)
• “Half Chip” VI Chip^® package enables surface mount,
low impedance interconnect to system board
• Contains built-in protection features against:
- Overvoltage
- Overcurrent
- Short Circuit
- Overtemperature
• 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
TYPICAL APPLICATIONS
• High End Computing Systems
• Automated Test Equipment
• High Density Power Supplies
• Communications Systems
•0
DESCRIPTION
The VI Chip current multiplier is a high efficiency (>89%)
Sine Amplitude Converter™ (SAC™) operating from a
26 to 55 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 VTM48EH015T050A00 is 1/32, that capacitance value
can be reduced by a factor of 1024, resulting in savings of
board area, materials and total system cost.
The VTM48EH015T050A00 is provided in a VI Chip package
compatible with standard pick-and-place and surface mount
assembly processes. The co-molded VI Chip package provides
enhanced thermal management due to large thermal interface
area and superior thermal conductivity. With high conversion
efficiency the VTM48EH015T050A00 increases overall system
efficiency and lowers operating costs compared to conventional
approaches.
The VTM48EH015T050A00 enables the utilization of Factorized
Power Architecture providing efficiency and size benefits by
lowering conversion and distribution losses and promoting high
density point of load conversion.
V_IN = 26 to 55 V
V_OUT = 0.8 to 1.7 V(NO LOAD)
I_OUT = 50 A (NOM)
K= 1/32
PART NUMBERING
PART NUMBER
VTM48EH015 x 050A00
PRODUCT GRADE
T = -40° to 125°C
M = -55° to 125°C
For Storage and Operating Temperatures see Section 6.0 General Characteristics
Regulator
VC
PR
SG
OS
PC
CD
TM
IL
PRM^®
+In
+Out
VIN
-In
-Out
VTM^® Current Multiplier
Page 1 of 16
Current Multiplier
PC
IM
VC
TM
Factorized Power Architecture™
VTM^®
+In
+Out
-In
-Out
Rev 2.4
8/2015
vicorpower.com
800 927.9474
L
O (See Application Note AN:024)
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