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VIB0101THJ Datasheet, PDF (1/16 Pages) Vicor Corporation – DC to DC Bus Converter Module | |||
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VIB0101THJ
S
C NRTL US
BCMTM
DC to DC
Bus Converter Module
FEATURES
⢠48 Vdc â 12 Vdc 120 W Bus Converter Module
⢠High efficiency (>95%) reduces system power
consumption
⢠High power density (801 W/in3) reduces power system
footprint by >50%
⢠âHalf Chipâ Vâ¢I Chip package enables surface mount,
low impedance interconnect to system board
⢠Contains built-in protection features: undervoltage,
overvoltage lockout, over current protection, short
circuit protection, overtemperature protection.
⢠Provides enable/disable control, internal temperature
monitoring
⢠ZVS/ZCS Resonant Sine Amplitude Converter topology
⢠Less than 50°C temperature rise at full load in typical
applications
TYPICAL APPLICATION
⢠High End Computing Systems
⢠Automated Test Equipment
⢠Telecom Base Stations
⢠High Density Power Supplies
⢠Communication Systems
TYPICAL APPLICATION
DESCRIPTION
The Vâ¢I Chip Bus Converter Module is a high efficiency (>95%)
Sine Amplitude Converter (SAC) operating from a 38 to 55 Vdc
primary bus to deliver an isolated 12 V nominal, unregulated
secondary. The SAC offers a low AC impedance beyond the
bandwidth of most downstream regulators, meaning that input
capacitance normally located at the input of a 12 V regulator
can be located at the input to the SAC. Since the K factor of
the VIB0101THJ is 1/4, that capacitance value can be reduced
by a factor of 16x, resulting in savings of board area, materials
and total system cost.
The VIB0101THJ is provided in a Vâ¢I Chip package compatible
with standard pick-and-place and surface mount assembly
processes. The Vâ¢I Chip package provides flexible thermal
management through its low junction-to-case and junction-to-
board thermal resistance. With high conversion efficiency the
VIB0101THJ increases overall system efficiency and lowers
operating costs compared to conventional approaches.
VIN = 38 â 55 V
VOUT = 9.5 â 13.75 V (NO LOAD)
POUT = 120 W(NOM)
K = 1/4
enable / disable
POL
switch
TM
PC
SW1
POL
F1
+In BCM+Out
POL
VIN
3.15 A
C1 10 µF
VOUT
POL
-In
-Out
v i c o r p o w e r. c o m
Vâ¢I CHIP INC. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
Rev. 1.4
9/2009
Page 1 of 16
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