JAJSPV3B february 2023 – june 2023 UCC14141-Q1
PRODUCTION DATA
Depending on the input and output conditions, ENA pin voltage, as well as the device temperature, the UCC14141-Q1 operates in one of the below operation modes.
Table 8-1 lists the supply functional modes for this device. The ENA pin has an internal weak pull-down resistance to ground, but TI does not recommend leaving this pin open.
INPUT |
OUTPUTS |
Operation Mode | ||||
---|---|---|---|---|---|---|
VVIN | ENA | FAULT | V(VDD – VEE) Isolated Output1 |
V(COM – VEE) Isolated Output2 |
PG Open Drain | |
VVIN < VVIN_UVLOP_RISING | X | X | OFF | OFF | High | Protection mode, auto-recovery |
VVIN_UVLOP_RISING < VVIN < VVIN_OVLO_RISING | LOW | X | OFF | OFF | High | Disable mode |
VVIN_UVLOP_RISING < VVIN < VVIN_OVLO_RISING | HIGH | NO FAULT | Regulating at Setpoint | Regulating at Setpoint | Low | Normal operation |
VVIN_UVLOP_RISING < VVIN < VVIN_OVLO_RISING | HIGH | YES FAULT | OFF | OFF | High | Protection mode, latched-off |
VVIN > VVIN_OVLO_RISING | X | X | OFF | OFF | High | Protection mode, auto-recovery |