HT54123A Overview
Description
The HT54123 is designed for use in earth leakage circuit interrupters, for stable operation of the AC line in breakers. The input of the differential amplifier is connected to the secondary coil of ZCT(Zero Current Transformer).
Key Features
- Low Power Consumption PD =5mW, 100V/200V
- Built-in Voltage Regulator
- High Gain Differential Amplifier
- 0.4mA Output Current Pulse to Trigger SCR' S
- Low External Part Count