Description
Pin #
Name
Pad Description
1
SCR Test
SCR test input for SCR functionality
2
CTB
Differential current transformer bias voltage
3
CTS
Differential current signal input
4
CTO
Differential current to voltage output
5
IDF
Differential low pass filter/ADC input
6
REF
3.3 V Internal r
Features
- Meets UL943B Self.
- test ALCI Requirements.
- 12 V Shunt Regulator.
- Precision Bandgap.
- 3.3 V LDO Linear Regulator.
- CT Sense Amplifier VOS Dynamic Cancellation.
- Oscillator Frequency Trimmed to AC Input.
- Tiered GF Trip Times.
- Built.
- In Noise Filter.
- LED EOL Indicator.
- SCR Gate Driver.
- Adjustable Sensitivity.
- Minimum External Components.
- Low Quiescent Current.
- 14.
NCS37020 Datasheet
