BCM380x475y1K2A3z
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
16
5.9
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
15
20
DC Secondary Input Current
ISEC_IN_DC
At IPRI_DC = 3.2 A, TINTERNAL ≤ 100ºC
Specified at VSEC_DC = 51.25 V
26
A
Primary Ouptut Power (continuous)
PPRI_OUT_DC
1200
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
1500
3.2
4
W
A
10 ms pulse, 25% Duty cycle,
IPRI_OUT_AVG = 50% rated IPRI_OUT_DC
IPRI_OUT_PULSE
A
VSEC_DC = 47.5 V, IPRI_OUT_DC = 3.2 A
VSEC_DC = 32.5 V to 51.25 V, IPRI_OUT_DC= 3.2 A
VSEC_DC = 47.5 V, IPRI_OUT_DC = 1.6 A
VSEC_DC = 47.5 V, IPRI_OUT_DC = 3.2 A
97.1
96.4
97.2
96.5
97.6
SEC to PRI Efficiency (ambient)
SEC to PRI Efficiency (hot)
ηAMB
%
97.7
97
ηHOT
η20%
%
%
SEC to PRI Efficiency (over load
range)
0.64 A < IPRI_OUT_DC < 3.2 A
92
RPRI_COLD
RPRI_AMB
RPRI_HOT
VSEC_DC = 47.5 V, IPRI_OUT_DC = 3.2 A, TINTERNAL = -40°C
VSEC_DC = 47.5 V, IPRI_OUT_DC = 3.2 A
1800
2200
2700
1950
2400
2950
2100
2600
3200
SEC to PRI Output Resistance
Primary Output Voltage Ripple
mΩ
VSEC_DC = 47.5 V, IPRI_OUT_DC = 3.2 A, TINTERNAL = 100°C
CPRI_OUT_EXT = 0 µF, IPRI_OUT_DC = 3.2 A,
1600
VSEC_DC = 47.5 V, 20 MHz BW
VPRI_OUT_PP
mV
TINTERNAL ≤ 100ºC
2400
BCM® Bus Converter
Page 7 of 25
Rev 1.7
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07/2015
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