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  • Considerations for Driving Power MOSFETs in High-Current, Switch Mode Regulators
    The low on-resistance and high current carrying capability of power MOSFETs make them preferred switching devices in SMPS power supply design. However, designing with these devices is not as straightforward as with their bipolar counterparts. Unlike bipolar transistors, power MOSFETs have
  • Low Current MOSFET Balances High Value than 1000 Farads
    a device designed for a few milliamps of power is quite sufficient for even high-value, high-current supercapacitors.
  • Universal Power MOSFET Interface IC (TC4420/9)
    current, and logic inputs that can withstand up to 5V negative swings. Although designed as a power MOSFET driver, it can act as a level shifter, comparator, waveshaper and pulse transformer driver, to mention a few of its possible uses.
  • Application: Reed Relays in Pulsed High Current Testing
    When testing discrete semiconductors, particularly power devices (Fets, mosfets, etc), high current testing is a very important factor. The high currents allow the designer to determine the integrity of the chip and to make sure it is properly placed on its substrate for efficient operation.
  • Using Low Resistance MOSFETs as Load Switches
    a resistor and therefore Ohms law applies; when turned off, the MOSFET appears as a diode and as such blocks current in one direction with a very high resistance (if reverse protection is required, an additional MOSFET or blocking diode is required). P-channel MOSFETs are normally used
  • How to Choose Power FETs for ORing MOSFET Controllers
    Using ORing controllers and power FETs in place of ORing power diodes can minimize power loss in high-current power distribution systems. This article discusses key selection steps for choosing power FETs, and provides design tips to ensure engineers meet their target specifications when developing
  • Soft-Start Controller For Switching Power Supplies
    driven by the power supply is capacitive, the problem is exaggerated due to the large transient currents required to charge the capacitive load. In extreme instances, the repeated high stress of start-up can result in catastrophic failures in the driver section, typically, the power MOSFET transistors
  • Design Considerations to Increase Power Density in Welding Machines Converters Using TRENCHSTOP(TM)5 IGBT
    The demand for portable low cost welding machines, especially in developing countries, is increasing. In the Manual Metal Arc and Tungsten Inergt Gas types, in power range from 1,5kW up to 5kW, discrete IGBTs and MOSFETs are broadly used. Mostly, these machines use hard switching current mode PWM

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