HomedatasheetFOD2742BR2V

FOD2742BR2V Datasheet

Optically Isolated Amplifiers
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Description

The FOD2742BR2V Optically Isolated Amplifier consists of the popular KA431 precision programmable shunt reference and an optocoupler. The optocoupler is a gallium arsenide (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/0C. It is primarily intended for use as the error amplifier/reference voltage/optocoupler function in isolated ac to dc power supplies and dc/dc converters. When using the FOD2742BR2V, power supply designers can reduce the component count and save space in tightly packaged designs. The tight tolerance reference eliminates the need for adjustments in many applications. The device comes in a 8-pin small outline package. FOD2742BR2V Features • Optocoupler, precision reference and error amplifier in single package• 2.5V reference• CTR 100% to 200%• 2,500V RMS isolation• UL approval E90700, Volume 2• BSI approval 8661, 8662• VDE approval 136616• CSA approval 1113643• Low temperature coefficient 50 ppm/0C max.• FOD2742A: tolerance 0.5% FOD2742B: tolerance 1 % FOD2742C: tolerance 2% FOD2742BR2V Applications • Power supplies regulation• DC to DC converters
Features

Parameters

[{"Name":"Bandwidth","Value":"50 KHz"},{"Name":"Forward Current","Value":"20 mA"},{"Name":"Maximum Collector Current","Value":"50 mA"},{"Name":"Maximum Collector Emitter Saturation Voltage","Value":"0.4 V"},{"Name":"Maximum Collector Emitter Voltage","Value":"70 V"},{"Name":"Maximum Forward Diode Voltage","Value":"1.5 V"},{"Name":"Maximum Operating Temperature","Value":"+ 85 C"},{"Name":"Maximum Power Dissipation","Value":"145 mW"},{"Name":"Minimum Operating Temperature","Value":"-25 C"},{"Name":"","Value":""}]

Manufacturer information

SIEMENS [SIEMENS SEMICONDUCTOR GROUP]

Electrification, automation and digitalization are the long-term growth fields of Siemens. In order to take full advantage of the market potential in these fields, our businesses are bundled into eight divisions and Siemens Healthineers as well as Siemens Wind Power as a separately managed businesses.


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