BCM380x475y1K2A3z
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
µController
PRI to SEC Input Quiescent Current
V
PRI_DC
V
µC_ACTIVE
I
PRI_Q
V
PRI_DC
voltage where µC is initialized,
(ie VAUX = Low, powertrain inactive)
Disabled, EN Low, V
PRI_DC
= 380 V
T
INTERNAL
≤
100ºC
V
PRI_DC
= 380 V, T
INTERNAL
= 25ºC
PRI to SEC No Load Power
Dissipation
P
PRI_NL
V
PRI_DC
= 380 V
V
PRI_DC
= 260 V to 410 V, T
INTERNAL
= 25 ºC
V
PRI_DC
= 260 V to 410 V
PRI to SEC Inrush Current Peak
DC Primary Input Current
Transformation Ratio
Secondary Output Power
(continuous)
Secondary Output Power (pulsed)
Secondary Output Current
(continuous)
Secondary Output Current (pulsed)
I
PRI_INR_PK
I
PRI_IN_DC
K
P
SEC_OUT_DC
P
SEC_OUT_PULSE
I
SEC_OUT_DC
I
SEC_OUT_PULSE
10 ms pulse, 25% Duty cycle, I
SEC_OUT_AVG
= 50% rated
I
SEC_OUT_DC
V
PRI_DC
= 380 V, I
SEC_OUT_DC
= 25.7 A
PRI to SEC Efficiency (ambient)
η
AMB
η
HOT
η
20%
R
SEC_COLD
PRI to SEC Output Resistance
R
SEC_AMB
R
SEC_HOT
Switching Frequency
Secondary Output Voltage Ripple
Primary Input Leads Inductance
(Parasitic)
Secondary Output Leads Inductance
(Parasitic)
F
SW
V
SEC_OUT_PP
V
PRI_DC
= 260 V to 410 V, I
SEC_OUT_DC
= 25.7 A
V
PRI_DC
= 380 V, I
SEC_OUT_DC
= 12.85 A
PRI to SEC Efficiency (hot)
PRI to SEC Efficiency
(over load range)
V
PRI_DC
= 380 V, I
SEC_OUT_DC
= 25.7 A
5.14 A < I
SEC_OUT_DC
< 25.7 A
V
PRI_DC
= 380 V, I
SEC_OUT_DC
= 25.7 A, T
INTERNAL
= -40°C
V
PRI_DC
= 380 V, I
SEC_OUT_DC
= 25.7 A
V
PRI_DC
= 380 V, I
SEC_OUT_DC
= 380 A, T
INTERNAL
= 100°C
Frequency of the Output Voltage Ripple = 2x FSW
C
SEC_EXT
= 0
µF,
I
SEC_OUT_DC
= 25.7 A, V
PRI_DC
= 380 V,
20 MHz BW
T
INTERNAL
≤
100ºC
L
PRI_IN_LEADS
L
SEC_OUT_LEADS
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
Frequency 2.5 MHz (double switching frequency),
Simulated lead model
6.7
1.3
97.1
96.4
97.2
96.5
92
13
21
30
1.12
16.7
24.2
35
1.18
195
300
nH
nH
23
31
40
1.23
MHz
mV
mΩ
97.7
97
%
%
97.6
%
V
PRI_DC
= 410 V, C
SEC_EXT
= 100
µF,
R
LOAD_SEC
= 50% of
full load current
T
INTERNAL
≤
100ºC
At I
SEC_OUT_DC
= 25.7 A, T
INTERNAL
≤
100ºC
Primary to secondary, K = V
SEC_DC
/ V
PRI_DC
, at no load
Specified at V
PRI_DC
= 410 V
Specified at V
PRI_DC
= 410 V; 10 ms pulse, 25% Duty
cycle, P
SEC_AVG
= 50% rated P
SEC_OUT_DC
1/8
1200
1500
25.7
32.2
4
10
3.5
A
V/V
W
W
A
A
5.9
9.8
2
4
12
16
15
20
A
W
260
410
120
V
V
mA
BCM
®
Bus Converter
Page 5 of 25
Rev 1.7
07/2015
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