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PDF M54128 Data sheet ( Hoja de datos )
| Número de pieza | M54128 | |
| Descripción | EARTH LEAKAGE CURRENT DETECTOR | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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MITSUBISHI <CONTROL / DRIVER IC>
M54128L/FP
EARTH LEAKAGE CURRENT DETECTOR
DESCRIPTION
The M54128 is a semiconductor integrated circuit designed for
high-speed type earth leakage breakers. This lC includes leakage
and abnormal voltage detecting functions.
FEATURES
q lmprovement of ability against unwanted tripping due to Iightning
-surge.
• Adopt the two times counting system.
• lmprovement of ability against needless action due to lightning-
impulse.
q lt is a possible that cope with lEC owing to mode change.
• Adopt the 1.5 times counting system.
q High input impedance :
• Filter circuit can be formed with externally attached C/R.
• lmprovement of ability against needless action due to high
frequency and high harmonics.
q High input sensitivity : VT = 6.5mVrms
q Abnormal voltage detecting (neutral conductor open-phase
protection) function :
• Neutral conductor open-phase protection at single-phase three-
wire system
• ln case of no use this function, stop this function and reduction
of circuit current, possible.
q Low voltage operation : 7 to12V (conventional Mitsubishi
lCs : 12 to 20V)
q Low current dissipation :
• In stand-by condition : 820µA typical (Vs = 9V, Ta = 25°C)
• When SCR is ON : 740µA typical (Vs = 9V, Ta = 25°C)
q Highly stable design : Employment of circuits of which
characteristics fluctuations resulting from changes in supply
voltage/ambient temperature are small.
APPLICATION
Earth leakage breaker
RECOMMENDED OPERATING CONDITIONS
Supply voltage range • • • • • • • • • • • • • • •• • • • • • • • • • • • • • • • • • • • • • • • • • • 7 to12V
Operating ambient temperature • • • • • • • • • • • • • • • • • • • • • • • • -20 to +85°C
PIN CONFIGURATION (TOP VIEW)
GND 1
IREF 2
VREF 3
ILKI 4
TRC1 5
TRC2 6
PSEL 7
14 VS
13 VCC
12 PSAV
11 IBLI
10 TTDC
9 OFFC
8 SCRT
Outline 14P2N-A
SCRT 1
OFFC 2
TTDC 3
IBLI 4
PSAV 5
VCC 6
VS 7
GND 8
IREF 9
VREF 10
ILKI 11
TRC1 12
TRC2 13
PSEL 14
Outline 14P5A
BLOCK DIAGRAM
VS
VCC
PSAV
IBLI
TTDC
OFFC
SCRT
Power supply circuit
Abnormal voltage
detection
SCR-driver
Leakage detection
GND
IREF
VREF
ILKI
TRC1
TRC2
PSEL
1 page  
MITSUBISHI <CONTROL / DRIVER IC>
M54128L/FP
EARTH LEAKAGE CURRENT DETECTOR
ELECTRICAL CHARACTERISTICS (Ta = 25°C, unless otherwise noted)
Symbol
IS0
IS1
IS2
IS3
IS0'
IS1'
IS3'
–
VS max
Vion
IIH
VO
VILKI
VRCL
EIOH
VTH
ETW1
–
EIOH
VTH
ETW2
–
VT
–
VBLT
–
–
IIBLT
VIBLC
EIOH
VTH
ETW4
EIOH
VTH
ETW3
VOL8
IOHc
IOHn
IOHh
Vsoff
Parameter
Source current: In stand-by condition
Source current: While detecting leakage
Source current: While detecting abnormal voltage
Source current: Immediately after driving of SCR
Source current: In stand-by condition
Source current: While detecting leakage
Source current: Immediately after driving of SCR
ISO variation with ambient temperature
Maximum current voltage
Leakage detecting DC input voltage
ILKI pin input bias current
VREF pin output voltage
ILKI-VREF input clamp voltage
VREF-GND clamp voltage
TRC1 pin “H” output current precision
TRC1 threshold voltage
TW1 pulse width precision
TW1 variation with ambient temperature
TRC2 pin “H” output current precision
TRC2 threshold voltage
TW2 pulse width precision
TW2 variation with ambient temperature
Total leakage detecting AC voltage
VT variation with ambient temperature
Abnormal voltage detecting voltage
VBLT variation with supply voltage
VBLT variation with ambient temperature
IBLI pin input bias current
IBLI-GND clamp voltage
TTDC pin “H” output current precision
TTDC threshold voltage
Delay time pulse width precision
OFFC pin “H” output current precision
OFFC threshold voltage
Reset timer pulse width precision
SCRT pin “L” output voltage
SCRT pin “H” output current
IOH holding supply voltage
Test conditions
VS
9V PSAV = VCC
9V PSAV = GND
9V Ta = -20 to 85°C
– IS = 4mA
ILKI -VREF
VIN = VREF
9V
IILKI = ±3mA
IRCL = 5mA
VO = 0V : IOH = -10.4µA
9V
C = 0.01µF : TW1 = 2.3ms
Ta = -20 to 85°C
VO = 0V : IOH = -10.4µA
9V C = 0.0047µF : TW2 = 1.1ms
Ta = -20 to 85°C
9V 60Hz
Ta = 25 → 85°C
9V
Ta = 25 → -20°C
9V
–
Ta = -20 to 85°C
9V VIN = VREF
IIN = 1mA
VO = 0V : IOH = -8µA
C = 1.0µF : TW4 = 300ms
VO = 0V : IOH = -10µA
9V
9V C = 0.33µF : TW3 = 55ms
9V IOL = 200µA
Ta = -20°C
9V VO = 0.8V Ta = 25°C
Ta = 85°C
–
Min.
570
570
570
520
520
520
520
–
–
–
–
–
–
–
-20
–
-15
–
-20
–
-15
–
–
–
–
2.2
–
–
–
–
-20
–
-30
-20
–
-30
–
-200
-100
-70
–
Limits
Typ.
820
840
810
740
740
760
740
-0.07
13.9
±7.5
2
2.7
±1.2
4.6
–
2.4
–
-0.06
–
2.4
–
-0.06
6.5
-4.0
-4.0
2.4
0.01
0.06
120
7.2
–
2.4
–
–
2.4
–
0.1
-260
-220
-180
3.0
Max. Unit
950 µA
950 µA
950 µA
870 µA
870 µA
870 µA
870 µA
– %/°C
15 V
– mVdc
15 nA
–V
–V
–V
20 %
–V
15 %
– %/°C
20 %
–V
15 %
– %/°C
– mVrms
–%
–%
2.6 V
– %/V
– %/°C
300 nA
–V
20 %
–V
30 %
20 %
–V
30 %
0.2 V
– µA
– µA
– µA
4.5 V
5 Page 
TRC1,2 “H” Output Current vs. Supply Voltage
12
Ta = 25°C
11
10
9
8
6 8 10 12
Supply voltage (V)
TRC1,2/OFFC/IBLI/TTDC Threshold Voltage
vs. Supply Voltage
3.0
Ta = 25°C
2.5
2.0
6
8 10
Supply voltage (V)
12
TRC1 Pulse Width vs. Supply Voltage
Ta = 25°C
TRC1 = 0.01µF
3
2
6 8 10 12
Supply voltage (V)
MITSUBISHI <CONTROL / DRIVER IC>
M54128L/FP
EARTH LEAKAGE CURRENT DETECTOR
TRC1,2 “H” Output Current vs. Ambient Temperature
12
VS = 9V
11
10
9
8
-50 0 50 100
Ambient temperature (°C)
TRC1,2/OFFC/IBLI/TTDC Threshold Voltage
vs. Ambient Temperature
3.0
VS = 9V
2.5
2.0
-50
0 50
Ambient temperature (°C)
100
TRC1 Pulse Width vs. Ambient Temperature
VS = 9V
TRC1 = 0.01µF
3
2
-50 0 50 100
Ambient temperature (°C)
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet M54128.PDF ] | |
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