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RP54123

RICHPOWER
Part Number RP54123
Manufacturer RICHPOWER
Description Earth Leakage Current Detector
Published May 27, 2016
Detailed Description Conceptual RP54123 Earth Leakage Current Detector General Description The RP54123 is a semiconductor integrated circu...
Datasheet PDF File RP54123 PDF File

RP54123
RP54123

Overview
Conceptual RP54123 Earth Leakage Current Detector General Description The RP54123 is a semiconductor integrated circuit with amplifier for a high-speed earth leakage circuit breaker.
The RP54123 circuit for the amplifying parts of earth leakage circuit breaker consists of differential amplifier, latch circuit and voltage regulator.
It is connected to the secondary side of the zero-current transformer (ZCT) which detects leakage current in the both input of the differential amplifier.
Signals amplified by differential amplifier are integrated by an external capacitor, and connects to the input terminal of latch circuit with output suitable for the characteristics of high-speed earth leakage circuit breaker.
Latch circuit keeps low in the output till the input voltage reaches the fixed level, and output becomes high when the leakage current more than fixed flows.
It drives a thyristor connected to the output terminal of latch circuit.
Features Suitable for JIS C 8371 Good temperature characteristics of input sensitivity current High input sensitivity (VT = 6.
1mV Typ) Low external component count High noise and surge-proof Low power dissipation (Pd = 5mW Typ) and may be used from 100V to 220V High mounting density by SIP package with 8 pins Wide temperature range (TA = -20°C to +80°C) Pin Configurations (TOP VIEW) Application High speed earth leakage circuit breaker 123 45678 VR IN GND OD SC NC OS VCC Ordering Information RP54123 Package Type S : SOP-8 I : SIP-8 V8: SOT-23-8 Operating Temperature Range G: Green ( Halogen Free with Commercial Standard Note : Richpower Green products are : RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
Suitable for use in SnPb or Pb-free soldering processes.
SIP-8 VR IN GND NC 2 3 4 8 VCC 7 OS 6 SC 5 OD SOP-8 NC 8 OD GND 2 7 SC IN 3 6 OS VR 4 5 VCC SOT-23-8 RP54123-09C Jan 2010 1 RP54123 Conceptual Functional Pin Description SIP-8 1 2 3 4 5 6 7 8 Pin Number SOP-8 SOT-23-8 14 23...


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