VIB0002TFJ
PRELIMINARY DATASHEET
S
C
NRTL
US
BCM
DC to DC
Bus Converter Module
TM
FEATURES
•
384 Vdc – 48 Vdc 325 W Bus Converter Module
•
High efficiency (>95%) reduces system power
consumption
•
High power density (>1000 W/in
3
)
reduces power system footprint by >40%
•
“Full Chip” V
•
I Chip package enables surface mount,
low impedance interconnect to system board
•
Contains built-in protection features: undervoltage,
overvoltage lockout, overcurrent protection, short
circuit protection, overtemperature protection.
DESCRIPTION
The V
•
I Chip Bus Converter Module is a high efficiency (>95%)
Sine Amplitude Converter (SAC)
TM
operating from a 360 to 400
Vdc primary bus to deliver an isolated 45 – 50 V nominal, un-
regulated secondary. The SAC offers a low AC impedance be-
yond the bandwidth of most downstream regulators, meaning
that input capacitance normally located at the input of a regula-
tor can be located at the input to the SAC. Since the K factor of
the VIB0002TFJ is 1/8, that capacitance value can be reduced by
a factor of 64x, resulting in savings of board area, materials and
total system cost.
The VIB0002TFJ is provided in a V
•
I Chip package compatible
with standard pick-and-place and surface mount assembly
processes. The V
•
I Chip package provides flexible thermal
management through its low junction-to-case and junction-to-
board thermal resistance. With high conversion efficiency the
VIB0002TFJ increases overall system efficiency and lowers
operating costs compared to conventional approaches.
•
Provides enable/disable control, internal temperature
monitoring
•
ZVS/ZCS Resonant Sine Amplitude Converter topology
•
Can be paralleled to create multi-kW arrays
TYPICAL APPLICATIONS
V
IN
= 360 – 400 V
V
OUT
= 45 – 50 V (
NO LOAD
)
P
OUT
= 325 W(
NOM
)
K = 1/8
•
High End Computing Systems
•
Automated Test Equipment
•
Telecom Base Stations
•
High Density Power Supplies
•
Communications Systems
TYPICAL APPLICATION
VC
SG
OS
CD
VC
PC
TM
PR
enable / disable
switch
SW1
F1
+In
V
IN
C1
1 µF
-In
-Out
-In
+Out
+In
PC
TM
PC
TM
IL
BCM
PRM
+Out
+In
VTM
+Out
L
O
A
D
-Out
-In
-Out
V•I CHIP INC. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
v i c o r p o w e r. c o m
Rev. 1.3
9/2009
Page 1 of 16
VICOR [ VICOR CORPORATION ]
