MBCM270F450M270A00
MBCM270T450M270A00
BCM
TM
S
Bus Converter
C
?
US
C
NRTL
US
FEATURES
? 270 Vdc – 45.0 Vdc 270 W Bus Converter
? MIL-STD-704E/F Compliant
? High efficiency (>96.0%) reduces system power
consumption
? High power density (>919 W/in 3 )
reduces power system footprint by >40%
DESCRIPTION
The MIL-COTS V ? I Chip TM bus converter is a high efficiency
(>96.0%) Sine Amplitude Converter TM (SAC TM ) operating
from a 230 to 330 V primary bus to deliver an isolated
38.3 – 55.0 V secondary.
The MBCM270F450M270A00 is provided in a V ? I Chip
package compatible with standard pick-and-place and surface
mount assembly processes.
? Contains built-in protection features:
-
Undervoltage
V IN = 230 – 330 V
P OUT = 270 W( NOM )
-
-
Overvoltage Lockout
Overcurrent Protection
V OUT = 38.3 – 55.0 V ( NO LOAD )
K = 1/6
- Short Circuit Protection
- Overtemperature Protection
? Provides enable/disable control, internal temperature
monitoring
? Can be paralleled to create multi-kW arrays
TYPICAL APPLICATIONS
? High Voltage 270 V Aircraft Distributed Power
? Provides Interface for high power density PRM modules
? High Density Power Supplies
? Communications Systems
TYPICAL APPLICATION
PR
PART NUMBER
MBCM270F450M270A00
MBCM270T450M270A00
VC
VC
SG
DESCRIPTION
-55°C – 125°C T J operating,
J-lead
-55°C – 125°C T J operating,
Through-hole
enable / disable
switch
PC
TM
PC
TM
OS
CD
PC
TM
L
240 – 330 Vdc
(MIL-STD-704E/F)
SW1
F1
BCM TM
Bus Converter
+In +Out
IL
+In
PRM TM
Regulator
+Out
VTM TM
Transformer
+In +Out
O
A
V IN
D
-In
-Out
-In
-Out
-In
-Out
Rev. 1.1
V?I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
1/2011
Page 1 of 19
v i c o r p o w e r. c o m
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