UC2544
UC2544 is Power Supply Supervisory Circuit manufactured by Texas Instruments.
- Part of the UC2543 comparator family.
- Part of the UC2543 comparator family.
.ti.
UC1543, UC1544 UC2543, UC2544 UC3543, UC3544
SLUS188A
- APRIL 1997
- REVISED FEBRUARY 2007
Power Supply Supervisory Circuit
Features
- Includes Over-Voltage, Under-Voltage, and Current Sensing Circuits
- Internal 1% Accurate Reference
- Programmable Time Delays
- SCR “Crowbar” Drive of 300 mA
- Remote Activation Capability
- Optional Over-Voltage Latch
- Unmitted parator Inputs for Low
Voltage Sensing (UC1544 Series Only)
DESCRIPTION
The monolithic integrated circuits contain all the functions necessary to monitor and control the output of a sophisticated power supply system. Over-voltage (O.V.) sensing with provision to trigger an external SCR “crowbar” shutdown; an...