PRELIMINARY DATASHEET
BCM384 x 480T325A00
1.0 ELECTRICAL CHARACTERISTICS
Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the
temperature range of -40°C < TJ < 125°C (T-Grade); All other specifications are at TJ = 25ºC unless otherwise noted
ATTRIBUTE
Voltage range
dV/dt
SYMBOL
CONDITIONS / NOTES
MIN
360
TYP
384
MAX
UNIT
VIN
dVIN /dt
PQ
400
1
410
10
Vdc
V/µs
mW
Quiescent power
PC connected to -IN
VIN = 384 V
VIN = 360 to 400 V
395
6.5
No load power dissipation
PNL
W
13.5
VIN = 400 V COUT = 100 µF,
POUT = 325 W
Inrush current peak
DC input current
IINR_P
IIN_DC
2
4
1
A
A
POUT = 325 W
VOUT
K factor
K
1/8
(
)
VIN
VIN = 384 VDC; See Figure 14
VIN = 360 – 400 VDC; See Figure 14
325
300
Output power (average)
Output power (peak)
POUT
W
W
VIN = 384 VDC
Average POUT < = 325 W, Tpeak < 5 ms
POUT_P
495
Output voltage
Output current (average)
VOUT
IOUT
Section 3.0 No load
Pout < = 325 W
45
50
7.05
V
A
V
IN = 384 V, POUT = 325 W
94.2
94.2
94
95.5
95
η
%
Efficiency (ambient)
VIN = 360 V to 400 V, POUT = 325 W
VIN = 384 V, TJ = 100° C,POUT = 325 W
η
η
Efficiency (hot)
Minimum efficiency
(over load range)
%
%
60 W < POUT < 325 W Max
90
Output resistance (ambient)
Output resistance (hot)
Output resistance (cold)
Load capacitance
Switching frequency
Ripple frequency
ROUT
ROUT
ROUT
COUT
FSW
TJ = 25° C
TJ = 125° C
TJ = -40° C
100
150
60
170
235
130
200
270
180
100
1.83
3.66
mΩ
mΩ
mΩ
uF
MHz
MHz
1.66
3.33
1.75
3.5
FSW_RP
COUT = 0 µF, POUT = 325 W, VIN = 384 V,
Section 8.0
VIN = 384 V, CPC = 0; See Figure 16
Output voltage ripple
VOUT_PP
TON1
160
540
400
mV
ms
VIN to VOUT (application of V )
460
620
IN
PC
PC voltage (operating)
PC voltage (enable)
VPC
4.7
2
5
2.5
5.3
3
1.95
300
5
400
1000
1000
V
V
V
uA
mA
kΩ
pF
pF
kΩ
Hz
VPC_EN
VPC_DIS
IPC_EN
IPC_OP
RPC_SNK
CPC_INT
CPC_EXT
RPC
PC voltage (disable)
PC source current (start up)
PC source current (operating)
PC internal resistance
PC capacitance (internal)
PC capacitance (external)
External PC resistance
PC external toggle rate
50
2
50
100
3.5
150
Internal pull down resistor
Section 5.0
External capacitance delays PC enable time
Connected to –VIN
50
FPC_TOG
1
V
IN = 384 V, pre-applied
PC to VOUT with PC released
Ton2
50
100
4
150
µs
CPC = 0, COUT = 0; See Figure 16
VIN = 384 V, pre-applied
CPC = 0, COUT = 0; See Figure 16
PC to VOUT, disable PC
TPC_DIS
10
µs
Rev. 1.9
4/2011
Page 3 of 18
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