BCM3814x60E15A3yzz
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
Powertrain Supervisory Limits Specification – Forward Direction Operation (High Voltage Side to Low Voltage Side)
• These supervisory limits are set in the internal controller and can be reconfigured or disabled through PMBus™.
• When disabled, the powertrain protections presented in the previous table will intervene during fault events.
HI Side Overvoltage
Lockout Threshold
HI Side Overvoltage
Recovery Threshold
HI Side Overvoltage
Lockout Hysteresis
HI Side Overvoltage
Lockout Response Time
HI Side Undervoltage
Lockout Threshold
HI Side Undervoltage
Recovery Threshold
HI Side Undervoltage
Lockout Hysteresis
HI Side Undervoltage
Lockout Response Time
HI Side Undervoltage Start-Up Delay
LO Side Overcurrent
Trip Threshold
LO Side Overcurrent
Response Time Constant
Overtemperature
Shutdown Threshold
Overtemperature
Recovery Threshold
Undertemperature Shutdown
Threshold (Internal)
Undertemperature Restart Time
V
HI_OVLO+
V
HI_OVLO–
V
HI_OVLO_HYST
t
HI_OVLO
V
HI_UVLO–
V
HI_UVLO+
V
HI_UVLO_HYST
t
HI_UVLO
t
HI_UVLO+_DELAY
I
LO_OUT_OCP
t
LO_OUT_OCP
t
OTP+
t
OTP–
t
UTP
t
UTP_RESTART
Effective internal RC filter
Internal
Internal
C-Grade
T-Grade
Start up into a persistent fault condition. Non-latching
fault detection given V
HI_DC
> V
HI_UVLO+
3
125
105
110
115
–25
–45
From V
HI_DC
= V
HI_UVLO+
to powertrain active (i.e., one
time start-up delay from application of V
HI_DC
to V
LO_DC
)
167
26
28
64
60
66
64
2
100
28
30
2
100
30
32
68
66
V
V
V
µs
V
V
V
µs
20
ms
176
3
185
A
ms
°C
°C
°C
s
BCM
®
in a VIA Package
Page 8 of 41
Rev 2.0
02/2018
VICOR [ VICOR CORPORATION ]
