BCM6123XD1E5126YZZ Datasheet, PDF (8/30 Pages) Vicor Corporation – Isolated Fixed-Ratio DC-DC Converter

BCM6123xD1E5126yzz
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
Powertrain Supervisory Limits PRIMARY to SECONDARY (Forward Direction)
Primary Overvoltage Lockout
Threshold
V_{PRI_OVLO+}
420
434.5
450
V
Primary Overvoltage Recovery
Threshold
V_{PRI_OVLO-}
405
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 Undervoltage Lockout
Threshold
V_{PRI_UVLO-}
220
235
250
V
Primary Undervoltage Recovery
Threshold
V_{PRI_UVLO+}
230
245
260
V
Primary Undervoltage Lockout
Hysteresis
V_{PRI_UVLO_HYST}
10
V
Primary Undervoltage Lockout
Response Time
t_{PRI_UVLO}
100
µs
From V_{PRI_DC} = V_{PRI_UVLO+} to powertrain active, EN
Primary Undervoltage Startup Delay t_{PRI_UVLO+_DELAY} floating, (i.e One time Startup delay from application
20
ms
of V_{PRI_DC} to V_{SEC_DC})
Secondary Output Overcurrent Trip
Threshold
I_{SEC_OUT_OCP}
28
37
50
A
Secondary Output Overcurrent
Response Time Constant
t_{SEC_OUT_OCP} Effective internal RC filter
3.2
ms
Overtemperature Shutdown
Threshold
t_OTP+
Temperature sensor located inside controller IC
125
°C
Overtemperature Recovery
Threshold
t_OTP–
105
110
115
°C
Undertemperature Shutdown
Threshold
t_UTP
Temperature sensor located inside controller IC;
Protection not available for M-Grade units.
-45
°C
Undertemperature Restart Time
t_{UTP_RESTART}
Startup into a persistent fault condition. Non-Latching
fault detection given V_{PRI_DC} > V_{PRI_UVLO+}
3
s
BCM^® Bus Converter
Page 8 of 30
Rev 1.1
01/2017
vicorpower.com
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