BCM400X500Y1K8A3Z Datasheet, PDF (5/25 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

BCM400x500y1K8A3z
Electrical Specifications
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 PRIMARY to SECONDARY Specification (Forward Direction)
Primary Input Voltage range,
continuous
V_{PRI_DC}
260
V_PRI µController
V_{µC_ACTIVE}
V_{PRI_DC} voltage where µC is initialized,
(ie VAUX = Low, powertrain inactive)
PRI to SEC Input Quiescent Current
I_{PRI_Q}
Disabled, EN Low, V_{PRI_DC} = 400 V
T_INTERNAL ≤ 100ºC
V_{PRI_DC} = 400 V, T_INTERNAL = 25ºC
PRI to SEC No Load Power
V_{PRI_DC} = 400 V
6
P_{PRI_NL}
Dissipation
V_{PRI_DC} = 260 V to 410 V, T_INTERNAL = 25 ºC
PRI to SEC Inrush Current Peak
I_{PRI_INR_PK}
V_{PRI_DC} = 260 V to 410 V
V_{PRI_DC} = 410 V, C_{SEC_EXT} = 100 µF, R_{LOAD_SEC} = 50% of
full load current
T_INTERNAL ≤ 100ºC
DC Primary Input Current
I_{PRI_IN_DC}
At I_{SEC_OUT_DC} = 35 A, T_INTERNAL ≤ 100ºC
Transformation Ratio
Secondary Output Power
(continuous)
K
P_{SEC_OUT_DC}
Primary to secondary, K = V_{SEC_DC} / V_{PRI_DC}, at no load
Specified at V_{PRI_DC} = 410 V
Secondary Output Power (pulsed)
Secondary Output Current
(continuous)
P_{SEC_OUT_PULSE}
Specified at V_{PRI_DC} = 410 V; 10 ms pulse, 25% Duty
cycle, P_{SEC_AVG} = 50% rated P_{SEC_OUT_DC}
I_{SEC_OUT_DC}
Secondary Output Current (pulsed)
I_{SEC_OUT_PULSE}
10 ms pulse, 25% Duty cycle, I_{SEC_OUT_AVG} = 50% rated
I_{SEC_OUT_DC}
V_{PRI_DC} = 400 V, I_{SEC_OUT_DC} = 35 A
96.9
PRI to SEC Efficiency (ambient)
η_AMB
V_{PRI_DC} = 260 V to 410 V, I_{SEC_OUT_DC} = 35 A
95.7
V_{PRI_DC} = 400 V, I_{SEC_OUT_DC} = 17.5 A
97.5
PRI to SEC Efficiency (hot)
PRI to SEC Efficiency
(over load range)
η_HOT
η_20%
V_{PRI_DC} = 400 V, I_{SEC_OUT_DC} = 35 A
7 A < I_{SEC_OUT_DC} < 35 A
96.3
92
R_{SEC_COLD}
V_{PRI_DC} = 400 V, I_{SEC_OUT_DC} = 35 A, T_INTERNAL = -40°C
12
PRI to SEC Output Resistance
R_{SEC_AMB}
V_{PRI_DC} = 400 V, I_{SEC_OUT_DC} = 35 A
16
R_{SEC_HOT}
V_{PRI_DC} = 400 V, I_{SEC_OUT_DC} = 400 A, T_INTERNAL = 100°C
24
Switching Frequency
F_SW
Frequency of the Output Voltage Ripple = 2x FSW
1.05
Secondary Output Voltage Ripple
Primary Input Leads Inductance
(Parasitic)
Secondary Output Leads Inductance
(Parasitic)
V_{SEC_OUT_PP}
L_{PRI_IN_LEADS}
L_{SEC_OUT_LEADS}
C_{SEC_EXT} = 0 µF, I_{SEC_OUT_DC} = 35 A, V_{PRI_DC} = 400 V,
20 MHz BW
T_INTERNAL ≤ 100ºC
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
2
10
6
1/8
97.4
98
96.8
16
22.6
31
1.10
250
6.7
1.3
410
120
4
14
21
15
22
12
4.5
1750
2000
35
40
20
33
39
1.14
350
V
V
mA
W
A
A
V/V
W
W
A
A
%
%
%
mΩ
MHz
mV
nH
nH
BCM^® Bus Converter
Page 5 of 25
Rev 1.4
07/2015
vicorpower.com
800 927.9474