PRELIMINARY DATASHEET
BCM384
x
480 T 325A00
1.1 APPLICATION CHARACTERISTICS
All specifications are at
T
J
= 25ºC
unless otherwise noted. See associated figures for general trend data.
ATTRIBUTE
No load power
Inrush current peak
Efficiency (ambient)
Efficiency (hot – 100°C)
Output resistance (-40°C)
Output resistance (25°C)
Output resistance (100°C)
Output voltage ripple
V
OUT
transient (positive)
V
OUT
transient (negative)
Undervoltage lockout
response time constant
Output overcurrent
response time constant
Overvoltage lockout
response time constant
TM voltage (ambient)
SYMBOL
P
NL
I
NR
_
P
η
η
R
OUT
R
OUT
R
OUT
V
OUT
_
PP
V
OUT
_
TRAN
+
V
OUT
_
TRAN
-
T
UVLO
T
OCP
T
OVLO
V
TM
_
AMB
T
J
≅
27°C
9 < I
OCP
< 14 A
CONDITIONS / NOTES
V
IN
= 384 V, PC enabled; See Figure 1
C
OUT
= 100 µF, P
OUT
= 325 W
V
IN
= 384 V, P
OUT
= 325 W
V
IN
= 384 V, P
OUT
= 325 W
V
IN
= 384 V
V
IN
= 384 V
V
IN
= 384 V
C
OUT
= 0 uF, P
OUT
= 325 W @ V
IN
= 384,
V
IN
= 384 V
I
OUT
_
STEP
= 0
TO
7.07 A,
I
SLEW
>10 A /us; See Figure 11
I
OUT
_
STEP
= 7.07 A to 0 A,
I
SLEW
> 10 A /us; See Figure 12
TYP
6.5
2
95.5
95
130
170
235
160
1.5
1.5
150
5
120
3
UNIT
W
A
%
%
mΩ
mΩ
mΩ
mV
mV
mV
µs
ms
µs
V
V•I CHIP CORP. (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. 1.9
4/2011
Page 5 of 18
VICOR [ VICOR CORPORATION ]
