TPS3514NE4
PC电源监视器 PC POWER-SUPPLY SUPERVISORS
DESCRIPON
The TPS3514 is a PC switching power-supply system monitor with minimum external components. It provides under-voltage lockout UVLO, over-voltage OV, under-voltage UV, over-current OC, protection circuits, power-good indicator, and on/off control.
FEATURES
OVER-VOLTAGE PROTECTION AND LOCKOUT: 12V, 5V, and 3.3V Supplies
OVER-CURRENT PROTECTION AND LOCKOUT: 12V, 5V, and 3.3V Supplies
UNDER-VOLTAGE PROTECTION AND LOCKOUT: 12V Supplies
UNDER-VOLTAGE DETECT: 5V and 3.3V Supplies
FAULT-PROTECTION OUTPUT WITH OPEN–DRAIN OUTPUT STAGE
OPEN-DRAIN, POWER-GOOD OUTPUT SIGNAL:
Monitors Power–Good Signal Input 3.3V and 5V Supplies
300ms POWER-GOOD DELAY
75ms DELAY: 5V, 3.3V Power-Supply Short-Circuit Turn-On Protection
2.3ms PSONCONTROL TO FPOTURN–OFF DELAY
38ms PSONCONTROL DEBOUNCE
WIDE SUPPLY VOLTAGE RANGE: 4.5V to 15V