UNISONIC TECHNOLOGIES CO.
, LTD
M54134
LINEAR INTEGRATED CIRCUIT
EARTH LEAKAGE CURRENT DETECTOR
DESCRIPTION
The UTC M54134 is a semiconductor integrated circuit developed for use in high-speed earth leakage breakers incorporating functions to protect against
voltage surges and inverter noise.
FEATURES
* Improvement of ability against unwanted tripping by lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by inverter-noise.
Built-in operational amplifier (of low current dissipation) for active low-pass filter.
Improved high-frequency, high harmonic superposition performance * Internal time delay function * An ex...