Lower leakage temperature coefficient makes it easy
ST field-effect rectifier diodes (FERD) help improve designs with new versions focusing on trade-off upgrades.
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 the field-effect rectifier or Schottky diode that best fits their application using our 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.
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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.
- FERD30H60C 60 V, 30 A dual Field-Effect Rectifier Diode (FERD)
- FERD20L60C 60 V, 20 A dual Field-Effect Rectifier Diode (FERD)
- FERD2045S 45 V, 20 A Field-Effect Rectifier Diode (FERD)
- FERD20H100S 100 V, 20 A Field-Effect Rectifier Diode (FERD)
- FERD40U50C 50 V, 40 A Field-Effect Rectifier Diode (FERD)
- FERD20H60C 60 V, 20 A dual Field-Effect Rectifier Diode (FERD)
- FERD20M60 60 V, 20 A Field Effect Rectifier Diode (FERD)
- FERD30H100S 100 V, 30 A Field-Effect Rectifier Diode (FERD)
- FERD40H100S 100 V, 40 A Field-Effect Rectifier Diode (FERD)
- FERD20S100S 100 V, 20 A Field-Effect Rectifier Diode (FERD)
- FERD20U60DJFD 60 V, 20 A PowerFLAT Ultra-Low Vf Field-Effect Rectifier Diode (FERD)
- FERD30L60C 60 V, 30 A dual Low Vf Field-Effect Rectifier Diode (FERD)
- FERD40L60C 60 V, 40 A dual Field-Effect Rectifier Diode (FERD)
- FERD15S50 50 V, 15 A Field-Effect Rectifier Diode (FERD)
- FERD30SM100DJF 100 V, 30 A PowerFLAT Field-Effect Rectifier Diode (FERD)
- FERD30SM100S 100 V, 30 A TO-220 Field-Effect Rectifier Diode (FERD)
- FERD15S50SB 50V field-effect rectifier diode
- FERD20U50 50 V, 20 A Power FLAT Ultra-Low Vf Field-Effect Rectifier Diode (FERD)
- FERD40M45C 45 V, 40 A dual Field-Effect Rectifier (FERD)
- FERD60M45C 45 V, 60 A dual Field-Effect Rectifier Diode (FERD)
- FERD40U45C 45 V, 40 A dual Ultra-Low Vf Field-Effect Rectifier Diode (FERD)
- FERD30M45C 45V, 30 A dual Field-Effect Rectifier Diode (FERD)
- FERD60U45C 45 V, 60 A dual ultra low Vf Field-Effect Rectifier Diode (FERD)
