|
|
PDF M541 Data sheet ( Hoja de datos )
| Número de pieza | M541 | |
| Descripción | EARTH LEAKAGE CURRENT DETECTOR | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
|
Hay una vista previa y un enlace de descarga de M541 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
|
No Preview Available !
MITSUBISHI <CONTROL / DRIVER IC>
M54122L
EARTH LEAKAGE CURRENT DETECTOR
DESCRIPTION
The M54122L is a semiconductor integrated circuit with amplifier
for a high-speed earth leakage circuit breaker.
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)
APPLICATION
High speed earth leakage circuit breaker
FUNCTION
The M54122L 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.
PIN CONFIGURATION (TOP VIEW)
Reference voltage VR → 1
Input IN → 2
GND
3 AMP
Differential amplifier output OD ← 4
Latch input SC → 5
Terminal for noise absorption NR → 6
LATCH
Output OS ← 7
VS 8
REG
Outline 8P5
BLOCK DIAGRAM
VS 8
AMP
7 OS output
GND 3
1
VR
Reference
voltage
2
IN
Input
4
OD
Differential
amplifier
output
5
SC
Latch
input
6
NR
Terminal for
noise absorption
1 page  
OS voltage vs. SC voltage
8
6
Ta =
75°C 25°C -25°C
4
2
0
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
SC voltage VSC (V)
Output current vs. OS output voltage
-400
Ta = -25°C
-300
-200
25°C
75°C
-100
0
0 1 234 56 7
OS output voltage VOS (V)
MITSUBISHI <CONTROL / DRIVER IC>
M54122L
EARTH LEAKAGE CURRENT DETECTOR
Operating time vs. ambient temperature
4.5
4
3.5
3
2.5
2
-50 -25
0
25 50 75 100
Ambient temperature Ta (°C)
Trip voltage vs. ambient temperature
20
16
12
8
4
0
-50 -25
0
25 50 75 100
Ambient temperature Ta (°C)
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet M541.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| M541 | EARTH LEAKAGE CURRENT DETECTOR | Mitsubishi |
| M541 | Dual Retriggerable One-Shot with Clear and Complementary Outputs |  National |
| M541 | TO-220F 5A Triac |  Sanken electric |
| M541 | Dual 4-Line to 1-Line Data Selectors/Multiplexers | National |
| Número de pieza | Descripción | Fabricantes |
| SLA6805M | High Voltage 3 phase Motor Driver IC. |
 Sanken |
| SDC1742 | 12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters. |
 Analog Devices |
|
DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares, |
| DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar |