BCM380x475y800A3z
Electrical Specifications (Cont.)
Specifications apply over all line and load conditions, unless otherwise noted; Boldface specifications apply over the temperature range of -40°C ≤ TINTERNAL
≤ 125°C (T-Grade); All other specifications are at TINTERNAL = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
General Powetrain SECONDARY to PRIMARY Specification (Reverse Direction)
Secondary Input Voltage range,
continuous
VSEC_DC
32.5
51.25
V
VSEC_DC = 47.5 V, TINTERNAL = 25ºC
VSEC_DC = 47.5 V
9
12
17.8
15
5
SEC to PRI No Load Power
Dissipation
PSEC_NL
W
VSEC_DC = 32.5 V to 51.25 V, TINTERNAL = 25ºC
VSEC_DC = 32.5 V to 51.25 V
20
DC Secondary Input Current
ISEC_IN_DC
At IPRI_DC = 2.1 A, TINTERNAL ≤ 100ºC
Specified at VSEC_DC = 51.25 V
17.5
800
A
Primary Ouptut Power (continuous)
PPRI_OUT_DC
W
Specified at VSEC_DC = 51.25 V; 10 ms pulse,
25% Duty cycle, PPRI_AVG = 50% rated PPRI_OUT_DC
Primary Output Power (pulsed)
Primary Output Current (continuous)
Primary Output Current (pulsed)
PPRI_OUT_PULSE
IPRI_OUT_DC
1000
2.1
W
A
10 ms pulse, 25% Duty cycle,
IPRI_OUT_AVG = 50% rated IPRI_OUT_DC
IPRI_OUT_PULSE
2.6
A
VSEC_DC = 47.5 V, IPRI_OUT_DC = 2.1 A
VSEC_DC = 32.5 V to 51.25 V, IPRI_OUT_DC= 2.1 A
VSEC_DC = 47.5 V, IPRI_OUT_DC = 1.05 A
VSEC_DC = 47.5 V, IPRI_OUT_DC = 2.1 A
96.5
95.3
96.5
96.3
97.4
SEC to PRI Efficiency (ambient)
SEC to PRI Efficiency (hot)
ηAMB
%
97.4
97.1
ηHOT
η20%
%
%
SEC to PRI Efficiency (over load
range)
0.42 A < IPRI_OUT_DC < 2.1 A
92
RPRI_COLD
RPRI_AMB
RPRI_HOT
VSEC_DC = 47.5 V, IPRI_OUT_DC = 2.1 A, TINTERNAL = -40°C
VSEC_DC = 47.5 V, IPRI_OUT_DC = 2.1 A
2300
2200
3400
2700
3400
4050
3100
4600
4700
SEC to PRI Output Resistance
Primary Output Voltage Ripple
mΩ
VSEC_DC = 47.5 V, IPRI_OUT_DC = 2.1 A, TINTERNAL = 100°C
CPRI_OUT_EXT = 0 µF, IPRI_OUT_DC = 2.1 A,
2000
VSEC_DC = 47.5 V, 20 MHz BW
VPRI_OUT_PP
mV
TINTERNAL ≤ 100ºC
2800
BCM® Bus Converter
Page 7 of 25
Rev 1.2
vicorpower.com
800 927.9474
07/2015
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