MITSUBISHI
M54122L
EARTH LEAKAGE CURRENT DETECTOR
DESCRIPTION
The M54122L is a semiconductor integrated circuit with amplifier for a high-speed earth leakage circuit breaker.
PIN CONFIGURATION (TOP VIEW)
FEATURES
q Suitable for JIS C 8371 q Good temperature characteristics of input sensitivity current q High input sensitivity (VT = 13. 5mV Typ. ) q Low external component count q High noise and surge-proof q Low power dissipation (Pd = 5mW Typ. ) and may be used both as 100V and 200V. q High mounting density by SIL package with 8 pins q Wide temperature range (Ta = -20 – +80°C)
Reference voltage Input
VR → IN → GND
1 2 3 4 5 6 7 8 REG
LATCH
AMP
Differential amplifi...