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Other Application IC > Leakage Current Detector
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Part No.
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Features
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VCC(V)
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Package
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GF2140
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Low Power 2-Wire Ground Fault Interrupter
* Directly powered from the AC line
* Build-in bridge rectifer
* Interface to SCR
* Adjustable trip current and time delay
* Minimum external components
* For two-wire system
* Be used in 110V or 220V system
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6.5
Regulated
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SOP-8
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GF4141
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LOW POWER GROUND FAULT
INTERRUPTER
* Powered from the AC line
* Low quiescent current
* Built-in diode rectifier
* Direct interface to SCR
* Precision sense amplifier
* Time delay
* For use with 110V or 220V systems
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26
VREG
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SOP-8
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GF4146
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GROUND FAULT INTERRUPTER
* For Two-Wire ALCI and RCD Applications
* Precision Sense Amplifier and Bandgap Reference
* Built-in AC Rectifier
* Direct DC Coupled to Sense Coil
* Low-Voltage SCR Disable
* Adjustable Sensitivity
* Built-in Noise Filter
* SCR Gate Driver
* Minimum External Components
* Ideal for 120V or 220V Systems
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16
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SOT-26
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GF4147
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GROUND FAULT
INTERRUPTER
* For GFCI and RCD Applications
* Built-in AC Rectifier
* Built-in Noise Filter
* Low-Voltage SCR Disable
* Direct DC Coupled to Sense Coil
* SCR Gate Driver
* Adjustable Sensitivity
* Low Quiescent Current
* Minimum External Components
* Ideal for 120V or 220V Systems
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12.7
VREG
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SOT-26
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GF4149
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GROUND FAULT
INTERRUPTER
* Precision Sense Amplifier and Bandgap Reference
* Low-VOS Offset
* Built-in Noise Filter
* High-Current SCR Gate Driver
* Adjustable Sensitivity
* Low Quiescent Current
* Minimum External Components
* Ideal for 120V or 220V Systems
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14
VREG
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SOT-26
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M54133
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Earth Leakage Current Detector( EIOH1&2 = ±20%)
* Improvement of ability against unwanted tripping by
lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by
inverter-noise.
Built-in operational amplifier (of low current dissipation) for active
low-pass filter.
Improved high-frequency, high harmonic superposition
performance
* Internal time delay function
* An external capacitor is used to set the delay time.
* High input sensitivity: VT=11.5mVrms Typ.
* Low-current dissipation (at RIREF=180kΩ)
In stand-by condition: IS=610μA Typ.
* High stabilities design
Adopt the circuits that is not affected by fluctuations of supply
voltage/ambient temperature.
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7.0 ~ 12.0
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SOP-16
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M54133A
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EARTH LEAKAGE CURRENT
DETECTOR
* Improvement of ability against unwanted tripping by
lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by
inverter-noise.
Built-in operational amplifier (of low current dissipation) for active
low-pass filter.
Improved high-frequency, high harmonic superposition
performance
* Internal time delay function
* An external capacitor is used to set the delay time.
* High input sensitivity: VT=11.5mVrms Typ.
* Low-current dissipation (at RIREF=180kΩ)
In stand-by condition: IS=610μA Typ.
* High stabilities design
Adopt the circuits that is not affected by fluctuations of supply
voltage/ambient temperature.
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7.0 ~ 12.0
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SOP-16
SOP-16N
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M54134
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Earth Leakage Current Detector( EIOH1&2 = ±10%)
* Improvement of ability against unwanted tripping by
lightning-surge and lightning impulse.
Two times counting system adopted.
* Improvement of ability against unwanted tripping by
inverter-noise.
Built-in operational amplifier (of low current dissipation) for active
low-pass filter.
Improved high-frequency, high harmonic superposition
performance
* Internal time delay function
* An external capacitor is used to set the delay time.
* High input sensitivity: VT=11.5mVrms Typ.
* Low-current dissipation (at RIREF=180kΩ)
In stand-by condition: IS=610μA Typ.
* High stabilities design
Adopt the circuits that is not affected by fluctuations of supply
voltage/ambient temperature.
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7.0 ~ 12.0
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SOP-16
SOP-16N
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M54123L
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Earth Leakage Current Detector
* With good input sensitivity current temperature characteristics
* High input sensitivity :VT=6.1mV (Typ.)
* Only need low external component count
* High noise and surge-proof
* Low power dissipation :PD=5mW (Typ.)
* May be used both as 100V and 200V.
* Wide temperature range : from -20 °C to +80°C
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Vz=12.0V(Min)
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DIP-8
SOP-8
SIP-8
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M54123B*
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EARTH LEAKAGE CURRENT
DETECTOR
* With good input sensitivity current temperature characteristics
* High input sensitivity : VT=6.1mV (Typ.)
* Only need low external component count
* High noise and surge-proof
* Low power dissipation : PD=5mW (Typ.)
* May be used both as 100V and 200V.
* Wide temperature range : from -20°C to +80°C
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Vz=12.0V(Min)
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SOP-8
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M54223
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Earth Leakage Current Detector
* With good input sensitivity current temperature characteristics
* High input sensitivity :VT=6.1mV (Typ.)
* Only need low external component count
* High noise and surge-proof
* Low power dissipation :PD=5mW (Typ.)
* May be used both as 100V and 200V.
* Wide temperature range : from -20 °C to +80°C
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Vs=12.0V(Min)
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DIP-8
SOP-8
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GM1851
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Ground Fault Interrupter
* Internal power supply shunt regulator
* Externally programmable fault current threshold
* Externally programmable fault current integration time
* Direct interface to SCR
* Operates under line reversal; both load vs line and hot vs neutral
* Detects neutral line faults
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VZ=26.0(Typ)
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DIP-8
SOP-8
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GV4145A
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Low Power Ground Fault Interrupter
* No potentiomenter required
* Direct interface to SCR
* Supply voltage derived from AC line-26V shunt
* Adjustable sensitivity
* Grounded neutral fault detection
* 450μA quiescent current
* I deal for 120V or 220V systems
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VZ=26.0(Typ)
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DIP-8
SOP-8
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M54147*
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CMOS LEAKAGE
PROTECTION CIRCUIT
* AC power supply
* Drive SCR, the output pulse width greater than 30ms
* Used to detect the A and AC signal
* Same higher accuracy for different leakage signal
* Excellent immunity to EMC
* 110V~220V(50~60Hz)
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4.7~4.9
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SOP-8
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M54149*
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CMOS LEAKAGE
PROTECTION CIRCUIT
* AC power supply
* Drive SCR, the output pulse width greater than 30ms
* Used to detect the A and AC signal
* Same higher accuracy for different leakage signal
* Delay by external capacitor
* 110V~220V(50~60Hz)
* Width temperature range (TA=-30~+85°C)
* Available in SOP14 packages
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4.65~4.95
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SOP-14
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