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Field effect rectifiers

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Lower leakage temperature coefficient makes it easy

ST field-effect rectifier diodes (FERD) help improve designs with new versions focusing on trade-off upgrades. Field-effect rectifier diodes belong to our STPOWER family.
The design of the FERDs has allowed both a decrease in the voltage drop and a decrease in the leakage current temperature coefficient. As a result, the runaway safety margin is improved and maybe beyond the typical safety margin of Schottky barrier diodes.

Depending on the targeted application and its voltage, developers can now choose the best compromise in terms of forward voltage drop (VF) and leakage current (IR):
       - ‘U’ very low forward voltage drop (VF)
       - ‘L’ low forward voltage drop (VF)
       - ‘M’ & ‘SM’ medium forward voltage drop with optimized leakage current (IR)
       - ‘H’ & ‘S’ low leakage current at high temperatures (low IR)


Tools allow designers to quickly find evaluate the field-effect rectifier or Schottky diode that best fits their application using our waveform-driven online Schottky & FERD eTool simulator.

FERD30H100 - 30 A, 100 V device now fits in a DPAK package!
For a given package size, our advanced FERD technology allows better density and more efficiency than Schottky barrier devices. The most recent 60 and 100V devices are available in through-hole as well as PowerFLAT™, D²PAK and DPAK versions. Smaller and more optimized packages allow the design of more compact chargers, adapters and SMPS with less power losses, therefore less heat-sinking.
Check our FERD30H100 package options. 

Featured Products

Power Schottky and FERD eTool blog article

Schottky or FERD? Stop Guessing and Start Choosing with our eTool

FERD30H100 30 A, 100 V in a DPAK package

Ideal for confined applications where efficiency and thermal performance are key

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15 W 5 V output USB adapter board with STCH03 CC-mode primary sensing switching controller

The STEVAL-SMACH15V1 USB adapter evaluation board features high efficiency, extreme low quiescent current, OVP, UVP, OTP, and hiccup-mode protection.

Based on the STCH03 offline PWM controller for low standby adapters, it provides constant output current (CC) regulation using primary sensing feedback.

To help developers choose the best compromise in terms of forward voltage drop (VF) and leakage current (IR), the design includes our FERD20U50 field-effect rectifier diode (FERD) in a PowerFLAT™ package.

 

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eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

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NFC/RFID Calculators

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Power Management Design Center

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Digital Power Workbench

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Power Management Design Center

Power Tree Designer

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STPOWER Studio

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Twister Sim

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Estimate

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Signal Conditioning Design Tool

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Signal Conditioning Design Tool

High side Current Sensing

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NFC/RFID Calculators

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