Current Detector. RP54123 Datasheet

RP54123 Detector. Datasheet pdf. Equivalent

RP54123 Datasheet
Recommendation RP54123 Datasheet
Part RP54123
Description Earth Leakage Current Detector
Feature RP54123; Conceptual RP54123 Earth Leakage Current Detector General Description The RP54123 is a semiconduc.
Manufacture RICHPOWER
Datasheet
Download RP54123 Datasheet




RICHPOWER RP54123
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
Ordering Information
RP54123
Package Type
S : SOP-8
I : SIP-8
V8: SOT-23-8
Operating Temperature Range
G: Green ( Halogen Free with Commer-
cial Standard
Note :
Richpower Green products are :
RoHS compliant and compatible with the current require-
ments 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



RICHPOWER RP54123
RP54123
Conceptual
Functional Pin Description
SIP-8
1
2
3
4
5
6
7
8
Pin Number
SOP-8 SOT-23-8
14
23
32
58
67
41
76
85
Pin Name
Pin Function
VR
IN
GND
OD
SC
NC
OS
VCC
Reference Voltage Input.
Input Signal.
Ground.
Differential Amplifier Output.
Latch Input.
No Internal Connection.
Latch Output.
Supply Voltage.
Function Block Diagram
VCC
GND
+
- AMP
VR IN
OD SC
NC
OS
2 RP54123-09C Jan 2010



RICHPOWER RP54123
Typical Application Circuit
Supply Voltage Circuit
Conceptual
Amplifier
RP54123
Output Circuit
RP54123
Trip Coil
AC
Line
VCC
R2
C3
GND
Voltage
Regulator
Reference
Voltage
Generator
AMP
+
-
Latch
Circuit
R1
VR IN
OD SC
OS Note 1
SCR
C5
RP
RL 100
C1
CR2AM
CR03AM
CR02AM
C2 C4
Note 2
AC
Line
ZCT
Note 1: Gate current must be selected.
Please select voltage resistance by AC supply voltage.
Note 2: MZ Core Series by Soryo Denshi Kagaku Co., Ltd (Mitsubishi Subsidiary)
RP54123-09C Jan 2010
3







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