BCM6123XD1E1368YZZ Datasheet, PDF (7/30 Pages) Vicor Corporation – Isolated Fixed-Ratio DC-DC Converter

BCM6123xD1E1368yzz
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 Powertrain PRIMARY to SECONDARY Specification (Forward Direction) Cont.
Effective Primary Capacitance
(Internal)
C_{PRI_INT}
Effective value at 384V_{PRI_DC}
0.25
µF
Effective Secondary Capacitance
(Internal)
C_{SEC_INT}
Effective value at 12V_{SEC_DC}
104
µF
Rated Secondary
Output Capacitance (External)
C_{SEC_OUT_EXT}
Excessive capacitance may drive module
into short circuit protection
1000
µF
Rated Secondary
Output Capacitance (External),
Parallel Array Operation
C_{SEC_OUT_AEXT}
C_{SEC_OUT_AEXT} Max = N • 0.5 • C_{SEC_OUT_EXT MAX},
where N = the number of units in parallel
Powertrain Protection PRIMARY to SECONDARY (Forward Direction)
Auto Restart Time
Primary Overvoltage
Lockout Threshold
Startup into a persistent fault condition. Non-latching
t_{AUTO_RESTART fault detection given VPRI_DC > VPRI_UVLO+}
292.5
357.5
ms
V_{PRI_OVLO+}
420
434.5
450
V
Primary Overvoltage
Recovery Threshold
V_{PRI_OVLO-}
410
424
440
V
Primary Overvoltage
Lockout Hysteresis
V_{PRI_OVLO_HYST}
10.5
V
Primary Overvoltage
Lockout Response Time
t_{PRI_OVLO}
100
µs
Primary Soft-Start Time
t_{PRI_SOFT-START}
From powertrain active. Fast current limit protection
disabled during soft-start
1
ms
Secondary Output Overcurrent
Trip Threshold
I_{SEC_OUT_OCP}
75
85
110
A
Secondary Output Overcurrent
Response Time Constant
t_{SEC_OUT_OCP} Effective internal RC filter
3
ms
Secondary Output Short Circuit
Protection Trip Threshold
I_{SEC_OUT_SCP}
105
A
Secondary Output Short Circuit
Protection Response Time
t_{SEC_OUT_SCP}
1
µs
Overtemperature
Shutdown Threshold
t_OTP+
Temperature sensor located inside controller IC
125
°C
BCM^® Bus Converter
Page 7 of 30
Rev 1.1
04/2017
vicorpower.com
800 927.9474