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FDFM2P110 Integrated P-Channel PowerTrench MOSFET and Schottky Diode
FDFM2P110 Integrated P-Channel PowerTrench MOSFET and Schottky Diode

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... switch off when the voltage at ISENSE exceeds 20mV. This threshold is set by an internal reference circuit and divider. The voltage at ISENSE is taken from a current sense resistor connected in series with the emitter of the switching transistor. This resistor is chosen to give 20mV at ISENSE for an ...
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Opto-isolator



In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal. Commercially available opto-isolators withstand input-to-output voltages up to 10 kV and voltage transients with speeds up to 10 kV/μs.A common type of opto-isolator consists of an LED and a phototransistor in the same opaque package. Other types of source-sensor combinations include LED-photodiode, LED-LASCR, and lamp-photoresistor pairs. Usually opto-isolators transfer digital (on-off) signals, but some techniques allow them to be used with analog signals.
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