English
Language : 

BCM384P120T800AC0 Datasheet, PDF (5/25 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter
BCM384x120y800ACz
Electrical Specifications
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 PRIMARY to SECONDARY Specification (Forward Direction)
Primary Input Voltage range,
continuous
VPRI_DC
260
VPRI µController
VµC_ACTIVE
VPRI_DC voltage where µC is initialized,
(ie VAUX = Low, powertrain inactive)
PRI to SEC Input Quiescent Current
IPRI_Q
Disabled, EN Low, VPRI_DC = 384 V
TINTERNAL ≤ 100ºC
VPRI_DC = 384 V, TINTERNAL = 25ºC
PRI to SEC No Load Power
VPRI_DC = 384 V
5
PPRI_NL
Dissipation
VPRI_DC = 260 V to 410 V, TINTERNAL = 25 ºC
PRI to SEC Inrush Current Peak
IPRI_INR_PK
VPRI_DC = 260 V to 410 V
VPRI_DC = 410 V, CSEC_EXT = 1000 µF, RLOAD_SEC = 50%
of full load current
TINTERNAL ≤ 100ºC
DC Primary Input Current
IPRI_IN_DC
At ISEC_OUT_DC = 68 A, TINTERNAL ≤ 100ºC
Transformation Ratio
Secondary Output Power
(continuous)
K
PSEC_OUT_DC
Primary to secondary, K = VSEC_DC / VPRI_DC, at no load
Specified at VPRI_DC = 410 V
Secondary Output Power (pulsed)
Secondary Output Current
(continuous)
PSEC_OUT_PULSE
Specified at VPRI_DC = 410 V; 10 ms pulse, 25% Duty
cycle, PSEC_AVG = 50% rated PSEC_OUT_DC
ISEC_OUT_DC
Secondary Output Current (pulsed)
ISEC_OUT_PULSE
10 ms pulse, 25% Duty cycle, ISEC_OUT_AVG = 50% rated
ISEC_OUT_DC
VPRI_DC = 384 V, ISEC_OUT_DC = 68 A
96.2
PRI to SEC Efficiency (ambient)
ηAMB
VPRI_DC = 260 V to 410 V, ISEC_OUT_DC = 68 A
95.7
VPRI_DC = 384 V, ISEC_OUT_DC = 34 A
96.3
PRI to SEC Efficiency (hot)
ηHOT
VPRI_DC = 384 V, ISEC_OUT_DC = 68 A
96
PRI to SEC Efficiency
(over load range)
η20%
14 A < ISEC_OUT_DC < 68 A
90
RSEC_COLD
VPRI_DC = 384 V, ISEC_OUT_DC = 68 A, TINTERNAL = -40°C
1.0
PRI to SEC Output Resistance
RSEC_AMB
VPRI_DC = 384 V, ISEC_OUT_DC = 68 A
1.6
RSEC_HOT
VPRI_DC = 384 V, ISEC_OUT_DC = 384 A, TINTERNAL = 100°C
2.3
Switching Frequency
FSW
Frequency of the Output Voltage Ripple = 2x FSW
0.97
Secondary Output Voltage Ripple
Primary Input Leads Inductance
(Parasitic)
Secondary Output Leads Inductance
(Parasitic)
VSEC_OUT_PP
LPRI_IN_LEADS
LSEC_OUT_LEADS
CSEC_EXT = 0 µF, ISEC_OUT_DC = 68 A, VPRI_DC = 384 V,
20 MHz BW
TINTERNAL ≤ 100ºC
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
2
9.3
10
1/32
97.2
97
97
1.65
2.3
2.9
1.03
210
7
0.64
410
130
4
13
20
16
22
15
2.2
800
1100
68
91
2.2
2.9
3.4
1.09
300
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 1.2
07/2015
vicorpower.com
800 927.9474