PRELIMINARY DATASHEET
BCM384 x 480T325A00
Safe Operating Area
600
500
400
300
200
100
0
43.85 44.85 45.85 46.85 47.85 48.85 49.85 50.85
Output Voltage (V)
Steady State
5mS 325W Ave
Figure 13 — PC disable waveform, 384 VIN , 100 µF COUT full load
Figure 14 — Safe Operating Area vs. VOUT
2.0 PACKAGE/MECHANICAL SPECIFICATIONS
All specifications are at TJ = 25ºC unless otherwise noted. See associated figures for general trend data.
ATTRIBUTE
SYMBOL
CONDITIONS / NOTES
MIN
TYP
MAX
UNIT
Length
Width
Height
Volume
Footprint
L
W
H
Vol
F
32.4 / 1.27
21.7 / 0.85
32.5 / 1.28
22.0 / 0.87
32.6 / 1.29
22.3 / 0.89
mm/in
mm/in
6.48 / 0.255 6.73 / 0.265 6.98 / 0.275 mm/in
No heat sink
No heat sink
4.81 / 0.295
7.3 / 1.1
1100
cm3/in3
cm2/in2
W/in3
W/cm3
oz/g
Power density
Weight
PD
W
No heat sink
68
0.5/14
Nickel (0.51-2.03 µm)
Palladium (0.02-0.15 µm)
Gold (0.003-0.05 µm)
Lead finish
µm
Operating temperature
Storage temperature
Thermal capacity
Peak compressive force
applied to case (Z-axis)
TJ
TST
-40
-40
125
125
°C
°C
Ws/°C
9
5
No J-lead support
6
lbs
ESDHBM
ESDMM
Human Body Model[a]
Machine Model[b]
MSL 5
1500
400
ESD rating
VDC
225
245
150
3
6
1.5
°C
°C
s
°C/s
°C/s
°CW
Peak temperature during reflow
MSL 6
Peak time above 183°C
Peak heating rate during reflow
Peak cooling rate post reflow
Thermal impedance
1.5
1.5
1.1
ØJC
Min board heat sinking
[a]
[b]
JEDEC JESD 22-A114C.01
JEDED JESD 22-A115-A
Rev. 1.9
4/2011
Page 8 of 18
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
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