M54133 Overview
The UTC M54133 is a semiconductor integrated circuit developed for use in high-speed earth leakage breakers incorporating functions to protect against voltage surges and inverter noise.
M54133 Key Features
- Improvement of ability against unwanted tripping by lightning-surge and lightning impulse. Two times counting system ado
- Improvement of ability against unwanted tripping by inverter-noise. Built-in operational amplifier (of low current dissi
- Internal time delay function
- An external capacitor is used to set the delay time
- High input sensitivity: VT=11.5mVrms Typ
- Low-current dissipation (at RIREF=180kΩ) In stand-by condition: IS=610μA Typ
- High stabilities design Adopt the circuits that is not affected by fluctuations of supply voltage/ambient temperature
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