Leakage detection IC with a built-in abnormal voltage detection function and a 1.5-wave, 3-pulse counting method!!
This product is an IC developed for leakage detection circuits for leakage protection, which connects a ZCT to the input terminal and detects the current generated through the ZCT when a leakage occurs. It uses a 1.5-wave 3-phase counting method, making it resistant to noise and optimal for leakage circuit breakers. It also has a built-in abnormal voltage detection function, allowing it to be used for neutral line phase loss protection. This abnormal voltage detection function can be disabled by connecting the PSAV terminal to GND. Additionally, the output format employs intermittent output, preventing damage to the trip coil in case of incorrect connections.
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basic information
□Features ●Leakage detection method: 1.5 wave 3 pulse counting method (can be switched to 1 wave 2 pulse counting method via external terminal) ●Output format: Intermittent output ●Low power consumption: Standby 900uA standard, SCR drive 620uA standard ●High sensitivity input: VT=7.5mV standard (DC) ●Built-in abnormal voltage detection function (function control can be stopped via external terminal) □Similar products ●RT8H064C (Leakage detection IC, 0.5 wave 1 pulse counting method) ●RT8H054K (Leakage detection IC, 1 wave 2 pulse counting method)
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Leakage circuit breaker
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Company information
Isahaya Electronics began production of small signal transistors in 1973 and has evolved its semiconductor technology into design technologies for gate drivers and DC/DC converters. In recent years, the company has also focused on developing high-efficiency, high-power-factor power supply technologies to contribute to carbon neutrality. (Three-phase PFC, 1500V input compatible DC/DC converters, bidirectional converters, etc.) Meanwhile, to meet diverse needs, small signal transistors have also evolved with enhanced functionality and integration, expanding the lineup of high-voltage, high-current transistors, MOSFETs, and analog ICs.