BCM3814B60E10A5C02 Datasheet, PDF (6/38 Pages) Vicor Corporation – Isolated, Fixed-Ratio DC-DC Converter

BCM3814x60E10A5yzz
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_CASE
≤100°C (T-Grade); All other specifications are at T_CASE = 25ºC unless otherwise noted.
­Attribute
Symbol
Conditions / Notes
Min
Typ
Max
Unit
General Powertrain High Voltage Side to Low Voltage Side Specification (Forward Direction) Cont.
Effective HI Side Capacitance
(Internal)
C_{HI_INT}
Effective Value at 54V_{HI_DC}
11.2
µF
Effective LO Side Capacitance
(Internal)
C_{LO_INT}
Effective Value at 9V_{LO_DC}
202
µF
Effective LO Side Output Capacitance
(External)
C_{LO_OUT_EXT}
Excessive capacitance may drive module into SC
protection
6000
µF
Effective LO Side Output Capacitance
(External)
C_{LO_OUT_AEXT}
C_{LO_OUT_AEXT} Max = N * 0.5 * C_{LO_OUT_EXT MAX}, where N
= the number of units in parallel
Powertrain Protection High Voltage Side to Low Voltage Side (Forward Direction)
Auto Restart Time
HI Side Overvoltage Lockout
Threshold
Startup into a persistent fault condition. Non-Latching
t_{AUTO_RESTART fault detection given VHI_DC > VHI_UVLO+}
490
560
ms
V_{HI_OVLO+}
63
67
71
V
HI Side Overvoltage Recovery
Threshold
V_{HI_OVLO-}
61
65
69
V
HI Side Overvoltage Lockout
Hysteresis
V_{HI_OVLO_HYST}
2
V
HI Side Overvoltage Lockout
Response Time
t_{HI_OVLO}
100
µs
HI Side Soft-Start Time
t_{HI_SOFT-START}
From powertrain active. Fast Current limit protection
disabled during Soft-Start
1
ms
LO Side Output Overcurrent Trip
Threshold
I_{LO_OUT_OCP}
180
204
240
A
LO Side Output Overcurrent
Response Time Constant
t_{LO_OUT_OCP} Effective internal RC filter
3
ms
LO Side Output Short Circuit
Protection Trip Threshold
I_{LO_OUT_SCP}
195
A
LO Side Output Short Circuit
Protection Response Time
t_{LO_OUT_SCP}
1
µs
Overtemperature Shutdown
Threshold
t_OTP+
Temperature sensor located inside controller IC
(Internal Temperature)
125
°C
BCM^® in a VIA Package
Page 6 of 38
Rev 1.1
05/2016
vicorpower.com
800 927.9474