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BCM48BF120T300A00 Datasheet, PDF (2/18 Pages) Vicor Corporation – Bus Converter
PRELIMINARY DATASHEET
BCM48B x 120 y 300A00
1.0 ABSOLUTE MAXIMUM VOLTAGE RATINGS
The absolute maximum ratings below are stress ratings only. Operation at or beyond these maximum ratings can cause permanent
damage to the device.
MIN MAX UNIT
MIN MAX UNIT
+IN to –IN . . . . . . . . . . . . . . . . . . . . . . . -1
60
V
Output current average . . . . . . . . . . . . -2
30
A
VIN slew rate (operational) . . . . . . . . . -1
1
V/µs
PC to –IN . . . . . . . . . . . . . . . . . . . . . . . . -0.3
20
V
Isolation voltage, input to output . . . .
2250 V
TM to –IN . . . . . . . . . . . . . . . . . . . . . . . -0.3
7
V
+OUT to –OUT . . . . . . . . . . . . . . . . . . . -1
16
V
Operating IC junction temperature . . -40
125
°C
Output current transient
(< = 10 ms, < = 10% DC) . . . . . . . . . . . . -3
37.5
A
Storage temperature . . . . . . . . . . . . . . -40
125
°C
2.0 ELECTRICAL CHARACTERISTICS
Specifications apply over all line and load conditions unless otherwise noted; Boldface specifications apply over the temperature
range of -40°C < TC < 100°C (T-Grade); All other specifications are at TC = 25ºC unless otherwise noted.
ATTRIBUTE
SYMBOL
CONDITIONS / NOTES
MIN
TYP
MAX
UNIT
POWERTRAIN
Input voltage range, continuous
Input voltage range, transient
Quiescent current
VIN to VOUT time
No load power dissipation
Inrush current peak
DC input current
Transformation ratio
Output power (average)
Output power (peak)
Output current (average)
Output current (peak)
Efficiency (ambient)
Efficiency (hot)
Efficiency (over load range)
Output resistance
Switching frequency
Output voltage ripple
Output inductance (parasitic)
Output capacitance (internal)
Output capacitance (external)
VIN_DC
VIN_TRANS
IQ
TON1
PNL
IINR_P
IIN_DC
K
POUT_AVG
POUT_PK
IOUT_AVG
IOUT_PK
ηAMB
ηHOT
η20%
ROUT_COLD
ROUT_AMB
ROUT_HOT
FSW
VOUT_PP
LOUT_PAR
COUT_INT
COUT_EXT
Full current or power supported, 50 ms max,
10% duty cycle max
Disabled, PC Low
VIN = 48 V, PC floating
VIN = 48 V, TC = 25ºC
VIN = 48 V
VIN = 38 V to 55 V, TC = 25ºC
VIN = 38 V to 55 V
Worse case of: VIN = 55 V, COUT = 1000 µF,
RLOAD = 391 mΩ
At POUT = 300 W
K = VOUT / VIN, at no load
10 ms max, POUT_AVG ≤ 300 W
10 ms max, IOUT_AVG ≤ 30 A
VIN = 48 V, IOUT = 25 A; Tc = 25°C
VIN = 38 V to 55 V, IOUT = 25 A; Tc = 25°C
VIN = 48 V, IOUT = 13 A; Tc = 25°C
VIN = 48 V, IOUT = 25 A; Tc = 100°C
5 A < IOUT < 25 A
IOUT = 25 A, Tc = -40°C
IOUT = 25 A, Tc = 25°C
IOUT = 25 A, TC = 100°C
COUT = 0 F, IOUT = 25 A, VIN = 48 V,
20 MHz BW, Section 10
Frequency up to 30 MHz,
Simulated J-lead model
Effective value at 12 VOUT
38
55
V
38
55
V
0.5
1.0
mA
340
450
620
ms
5.3
6.5
3
15
W
9
17
10
20
A
8.8
A
1/4
V/ V
300
W
350
W
30
A
37.5
A
95.0
96.0
93.5
%
94.5
95.5
94.5
95.6
%
80
%
4.9
6.7
9.0
mΩ
6.3
9.0
13.4
mΩ
8.8
11.5
14.0
mΩ
1.85
1.95
2.05
MHz
150
285
mV
600
pH
47
µF
0
1000
µF
v i c o r p o w e r. c o m
V•I CHIP CORP. (A VICOR COMPANY) 25 FRONTAGE RD. ANDOVER, MA 01810 800-735-6200
Rev. 1.2
7/2011
Page 2 of 18