BCM380X475Y800A3Z Datasheet, PDF (7/25 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

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 ≤ T_INTERNAL
≤ 125°C (T-Grade); All other specifications are at T_INTERNAL = 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
V_{SEC_DC}
32.5
51.25
V
V_{SEC_DC} = 47.5 V, T_INTERNAL = 25ºC
9
12
SEC to PRI No Load Power
V_{SEC_DC} = 47.5 V
5
Dissipation
P_{SEC_NL}
V_{SEC_DC} = 32.5 V to 51.25 V, T_INTERNAL = 25ºC
17.8
W
15
V_{SEC_DC} = 32.5 V to 51.25 V
20
DC Secondary Input Current
I_{SEC_IN_DC}
At I_{PRI_DC} = 2.1 A, T_INTERNAL ≤ 100ºC
17.5
A
Primary Ouptut Power (continuous) P_{PRI_OUT_DC} Specified at V_{SEC_DC} = 51.25 V
800
W
Primary Output Power (pulsed)
P_{PRI_OUT_PULSE}
Specified at V_{SEC_DC} = 51.25 V; 10 ms pulse,
25% Duty cycle, P_{PRI_AVG} = 50% rated P_{PRI_OUT_DC}
1000
W
Primary Output Current (continuous) I_{PRI_OUT_DC}
2.1
A
Primary Output Current (pulsed)
I_{PRI_OUT_PULSE}
10 ms pulse, 25% Duty cycle,
I_{PRI_OUT_AVG} = 50% rated I_{PRI_OUT_DC}
2.6
A
V_{SEC_DC} = 47.5 V, I_{PRI_OUT_DC} = 2.1 A
96.5
97.4
SEC to PRI Efficiency (ambient)
η_AMB
V_{SEC_DC} = 32.5 V to 51.25 V, I_{PRI_OUT_DC}= 2.1 A
95.3
%
V_{SEC_DC} = 47.5 V, I_{PRI_OUT_DC} = 1.05 A
96.5
97.4
SEC to PRI Efficiency (hot)
SEC to PRI Efficiency (over load
range)
η_HOT
η_20%
V_{SEC_DC} = 47.5 V, I_{PRI_OUT_DC} = 2.1 A
0.42 A < I_{PRI_OUT_DC} < 2.1 A
96.3
97.1
%
92
%
R_{PRI_COLD}
V_{SEC_DC} = 47.5 V, I_{PRI_OUT_DC} = 2.1 A, T_INTERNAL = -40°C 2300
2700
3100
SEC to PRI Output Resistance
R_{PRI_AMB}
V_{SEC_DC} = 47.5 V, I_{PRI_OUT_DC} = 2.1 A
2200
3400
4600
mΩ
Primary Output Voltage Ripple
R_{PRI_HOT}
V_{SEC_DC} = 47.5 V, I_{PRI_OUT_DC} = 2.1 A, T_INTERNAL = 100°C 3400
4050
4700
V_{PRI_OUT_PP}
C_{PRI_OUT_EXT} = 0 µF, I_{PRI_OUT_DC} = 2.1 A,
V_{SEC_DC} = 47.5 V, 20 MHz BW
T_INTERNAL ≤ 100ºC
2000
mV
2800
BCM^® Bus Converter
Page 7 of 25
Rev 1.2
07/2015
vicorpower.com
800 927.9474