working of mosfet

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working of mosfet

  1. 1. MOSFETS & RegulatorsCHIP LEVEL LAPTOP REPAIRING--- Vikas DeoarshiBTech,IIT BHU
  2. 2. Mosfets & Regulators
  3. 3. Mosfets & RegulatorsMosfets :(A) Depletion Type(B) Enhancement TypeBut in Laptop/Dekstops , Enhancement Typesare used.
  4. 4. Mosfets & RegulatorsEnhancement Type:(A) N-Channel(B) P-Channel
  5. 5. Mosfets & Regulators
  6. 6. Mosfets & Regulators
  7. 7. Mosfets & Regulators
  8. 8. Mosfets & RegulatorsImportants :1. For V GS = 0 V, and V DS = some value , I D= 02. For Values of V GS less than the threshold level,thedrain current of an enhancement-type mosfet is 0mA
  9. 9. Mosfets & RegulatorsP-CHANNEL MOSFET
  10. 10. Mosfets & RegulatorsImportant Points:1.For Vgs <0 , current wll flow from source todrain
  11. 11. Mosfets & Regulators
  12. 12. Mosfets & RegulatorsN-Channel Mosfet
  13. 13. Mosfets & RegulatorsN-Channel Mosfet
  14. 14. Mosfets & RegulatorsP-Channel Mosfet
  15. 15. Mosfets & RegulatorsWorking of Regulators
  16. 16. Mosfets & RegulatorsWorking of Regulators
  17. 17. Mosfets & RegulatorsWorking of Regulators

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