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, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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