• FOD2742B
  • FOD2742B
  • FOD2742B
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The FOD2742 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/°C. 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 FOD2742, 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.

Количество в упаковке50
КорпусSOIC-8
Вес0.427 г
case_packageSOIC
power_dissipation145 mW
reach_svhc_complianceNo SVHC
lead_free_statusLead Free
mounting_styleSurface Mount
isolation_voltage2.50 kV
packagingTube, Rail
input_voltage_dc1.20 V
bandwidth50.0 kHz
number_of_circuits1
input_current10.0 mA
lifecycle_statusActive
output_voltage70.0 V
rohs_statusCompliant
pin_count8
number_of_channels1
No. of Channels1Channels
Optocoupler Case StyleSOIC
No. of Pins8Pins
Isolation Voltage2.5kV
CTR Min100%
Bandwidth50kHz
PackagingEach
Product Range-
SVHCNo SVHC (15-Jun-2015)
Approval BodiesBSI, CSA, VDE
Approval CategoryUL Recognised
CMR1kV/µs
Collector Emitter Voltage V(br)ceo70V
Continuous Collector Current Ic Max50mA
Current Transfer Ratio Max200%
Current Transfer Ratio Min100%
External Depth3.9mm
External Length / Height3.38mm
External Width4.88mm
Forward Voltage VF Max1.5V
Input Current10mA
Input Voltage Max37V
Operating Temperature Max85°C
Operating Temperature Min-40°C
Operating Temperature Range-40°C to +85°C
Optocoupler Output TypePhototransistor
Output Voltage70V
Reference Volts2.5V
Tolerance1%
Voltage Vf Typ1.2V
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