working of mosfet

17
MOSFETS & Regulators CHIP LEVEL LAPTOP REPAIRING --- Vikas Deoarshi BTech,IIT BHU

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Page 1: working of mosfet

MOSFETS & Regulators

CHIP LEVEL LAPTOP REPAIRING --- Vikas Deoarshi BTech,IIT BHU

Page 2: working of mosfet

Mosfets & Regulators

Page 3: working of mosfet

Mosfets & Regulators

Mosfets :(A) Depletion Type (B) Enhancement TypeBut in Laptop/Dekstops , Enhancement

Types are used.

Page 4: working of mosfet

Mosfets & Regulators

Enhancement Type:(A) N-Channel (B) P-Channel

Page 5: working of mosfet

Mosfets & Regulators

Page 6: working of mosfet

Mosfets & Regulators

Page 7: working of mosfet

Mosfets & Regulators

Page 8: working of mosfet

Mosfets & Regulators

Importants :1. For V GS = 0 V, and V DS = some value , I D= 0 2. For Values of V GS less than the threshold

level,the drain current of an enhancement-type mosfet is 0 mA

Page 9: working of mosfet

Mosfets & Regulators

P-CHANNEL MOSFET

Page 10: working of mosfet

Mosfets & Regulators

Important Points:1.For Vgs <0 , current wll flow from source to drain

Page 11: working of mosfet

Mosfets & Regulators

Page 12: working of mosfet

Mosfets & RegulatorsN-Channel Mosfet

Page 13: working of mosfet

Mosfets & RegulatorsN-Channel Mosfet

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Mosfets & RegulatorsP-Channel Mosfet

Page 15: working of mosfet

Mosfets & RegulatorsWorking of Regulators

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Mosfets & RegulatorsWorking of Regulators

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Mosfets & RegulatorsWorking of Regulators