MITSUBISHI
M54123L
EARTH LEAKAGE CURRENT DETECTOR
DESCRIPTION
The M54123L 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 = 6. 1mV 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 amplifier output Latch input Terminal for noise absorption Output
OD ← SC → NR → OS ← VS
APPLICATION
High speed earth leakage circuit breaker
FUNCTION
The M54123L circuit for the amplifying parts of earth leakage circuit breaker consists of differential amplifier, latch circuit and voltage regulator. It ...
M54123L PDF File
