HomedatasheetFOD2741B

FOD2741B Datasheet

Optically Isolated Error Amplifier
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Description

The FOD2741B Optically Isolated Amplifier consists of the popular KA431 precision programmable shunt reference and an optocoupler. The optocoupler is a gallium ars-enide (GaAs) light emitting diode optically coupled to a silicon phototransistor. It comes in 3 grades of reference voltage tolerance = 2%, 1%, and 0.5%. The Current Transfer Ratio (CTR) ranges from 100% to 200%. It also has an outstanding temperature coefficient of 50 ppm/°C. It is primarily intended for use as the error amplifier/reference voltage/optocoupler function in iso-lated AC to DC power supplies and DC/DC converters. FOD2741B Features • Optocoupler, precision reference and error amplifier in single package• 2.5V reference• CTR 100% to 200%• 5,000V RMS isolation• UL approved E90700, Volume 2 CSA approval 1296837 VDE approval 40002463 BSI approval 8702, 8703• Low temperature coefficient 50ppm/°C max.• FOD2741A: tolerance 0.5% FOD2741B: tolerance 1% FOD2741C: tolerance 2% FOD2741B Applications • Power supplies regulation • DC to DC converters
Features

Parameters

[{"Name":"Voltage - Isolation ","Value":"5000Vrms"},{"Name":"Current Transfer Ratio (Min) ","Value":"100% @ 10mA"},{"Name":"Current Transfer Ratio (Max) ","Value":"200% @ 10mA"},{"Name":"Voltage - Output ","Value":"30V"},{"Name":"Current - Output / Channel ","Value":"50mA"},{"Name":"Vce Saturation (Max) ","Value":"400mV"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

DIODES INCORPORATED

Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.


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