BCM6123T60E15A3T00 Datasheet, PDF (6/23 Pages) Vicor Corporation – Fixed Ratio DC-DC Converter

BCM6123x60E15A3yzz
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 Powetrain PRIMARY to SECONDARY Specification (Forward Direction) Cont.
Effective Primary Capacitance
(Internal)
Effective Secondary Capacitance
(Internal)
Effective Secondary Output
Capacitance (External)
Effective Secondary Output
Capacitance (External)
C_{PRI_INT}
Effective Value at 54 V_{PRI_DC}
C_{SEC_INT}
Effective Value at 15 V_{SEC_DC}
C_{SEC_OUT_EXT}
C_{SEC_OUT_AEXT}
Excessive capacitance may drive module into SC
protection
C_{SEC_OUT_AEXT} Max = N * 0.5 * C_{SEC_OUT_EXT MAX}, where
N = the number of units in parallel
11.2
µF
140
µF
1000
µF
Protection PRIMARY to SECONDARY (Forward Direction)
Auto Restart Time
Startup into a persistent fault condition. Non-Latching
t_{AUTO_RESTART fault detection given VPRI_DC > VPRI_UVLO+}
490
560
ms
Primary Overvoltage Lockout
Threshold
V_{PRI_OVLO+}
64
66
68
V
Primary Overvoltage Recovery
Threshold
V_{PRI_OVLO-}
60
64
66
V
Primary Overvoltage Lockout
Hysteresis
V_{PRI_OVLO_HYST}
2
V
Primary Overvoltage Lockout
Response Time
t_{PRI_OVLO}
100
µs
Primary Undervoltage Lockout
Threshold
V_{PRI_UVLO-}
26
28
30
V
Primary Undervoltage Recovery
Threshold
V_{PRI_UVLO+}
28
30
32
V
Primary Undervoltage Lockout
Hysteresis
V_{PRI_UVLO_HYST}
2
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 form application
20
ms
of V_{PRI_DC} to V_{SEC_DC})
From powertrain active. Fast Current limit protection
Primary Soft-Start Time
t_{PRI_SOFT-START disabled during Soft-Start}
1
ms
Secondary Output Overcurrent Trip
Threshold
I_{SEC_OUT_OCP}
145
180
225
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}
195
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
Overtemperature Recovery
Threshold
t_OTP–
105
110
115
°C
Undertemperature Shutdown
Threshold
Temperature sensor located inside controller IC;
t_UTP
Protection not available for M-Grade units.
-45
°C
Startup into a persistent fault condition. Non-Latching
Undertemperature Restart Time
t_{UTP_RESTART}
fault detection given V_{PRI_DC} > V_{PRI_UVLO+}
3
s
BCM^® Bus Converter
Page 6 of 23
Rev 1.1
09/2015
vicorpower.com
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