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UC2543NG4

电源监控电路 Power Supply Supervisory Circuit

DESCRIPON

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 undervoltage U.V. circuit which can be used to monitor either the output or to sample the input line voltage; and a third op amp/comparator usable for current sensing C.L. are all included in this device, together with an independent, accurate reference generator.

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

• Uncommitted Comparator Inputs for Low Voltage Sensing UC1544 Series Only

UC2543NG4 PDF数据文档
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UC2543NG4 TI 德州仪器
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UC2524ADWTR TI 德州仪器