MOSFET Turn ON Time Solution

STEP 0: Pre-Calculation Summary
Formula Used
Turn ON Time = MOSFET ON Delay Time+Rise Time
Ton = Td-on+Tr
This formula uses 3 Variables
Variables Used
Turn ON Time - (Measured in Second) - Turn on Time is the sum of rise time (tr ) and delay time (td ) of a diode in a transistor device.
MOSFET ON Delay Time - (Measured in Second) - MOSFET ON delay time is defined as the initial delay during which the input capacitance of a MOSFET stores the charge.
Rise Time - (Measured in Second) - Rise Time is the time required by the collector current to rise from 10% to 90% of its maximum value in transistor device.
STEP 1: Convert Input(s) to Base Unit
MOSFET ON Delay Time: 1.149 Second --> 1.149 Second No Conversion Required
Rise Time: 1.75 Second --> 1.75 Second No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Ton = Td-on+Tr --> 1.149+1.75
Evaluating ... ...
Ton = 2.899
STEP 3: Convert Result to Output's Unit
2.899 Second --> No Conversion Required
FINAL ANSWER
2.899 Second <-- Turn ON Time
(Calculation completed in 00.004 seconds)

Credits

Created by Parminder Singh
Chandigarh University (CU), Punjab
Parminder Singh has created this Calculator and 100+ more calculators!
Verified by Rachita C
BMS College Of Engineering (BMSCE), Banglore
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9 MOSFET Calculators

Input Current Distortion Factor
Go Input Current Distortion Factor = RMS Supply Current Fundamental Component/RMS Supply Current
Input Current Harmonic Factor
Go Input Current Harmonic Factor = sqrt((1/Input Current Distortion Factor^2)-1)
Current Ripple Factor
Go Current Ripple Factor = ((RMS Current/RMS Current DC Component)-1)^0.5
Power Loss in MOSFET
Go Average Power Loss = Drain Current^2*Drain Source Resistance
Voltage Ripple Factor
Go Voltage Ripple Factor = Ripple Voltage/DC Output Voltage
Rectification Ratio
Go Rectification Ratio = DC Power Output/AC Input Power
MOSFET Turn Off Time
Go Turn OFF Time = MOSFET OFF Delay Time+Fall Time
Transistor Aspect Ratio
Go Aspect Ratio = Width of Channel/Channel Length
MOSFET Turn ON Time
Go Turn ON Time = MOSFET ON Delay Time+Rise Time

MOSFET Turn ON Time Formula

Turn ON Time = MOSFET ON Delay Time+Rise Time
Ton = Td-on+Tr

Why does input capacitance cause delay in MOSFET?

The gate voltage is made positive to turn ON the MOSFET. When the gate voltage has applied the gate to source capacitance Cgs (gate source capacitance) starts charging. During this period, the drain current increases to its full value of ID because of that the MOSFET is fully turned ON.

How to Calculate MOSFET Turn ON Time?

MOSFET Turn ON Time calculator uses Turn ON Time = MOSFET ON Delay Time+Rise Time to calculate the Turn ON Time, The MOSFET turn ON Time formula is defined as the time needed for charging the MOSFET internal capacitance. Turn ON Time is denoted by Ton symbol.

How to calculate MOSFET Turn ON Time using this online calculator? To use this online calculator for MOSFET Turn ON Time, enter MOSFET ON Delay Time (Td-on) & Rise Time (Tr) and hit the calculate button. Here is how the MOSFET Turn ON Time calculation can be explained with given input values -> 2.899 = 1.149+1.75.

FAQ

What is MOSFET Turn ON Time?
The MOSFET turn ON Time formula is defined as the time needed for charging the MOSFET internal capacitance and is represented as Ton = Td-on+Tr or Turn ON Time = MOSFET ON Delay Time+Rise Time. MOSFET ON delay time is defined as the initial delay during which the input capacitance of a MOSFET stores the charge & Rise Time is the time required by the collector current to rise from 10% to 90% of its maximum value in transistor device.
How to calculate MOSFET Turn ON Time?
The MOSFET turn ON Time formula is defined as the time needed for charging the MOSFET internal capacitance is calculated using Turn ON Time = MOSFET ON Delay Time+Rise Time. To calculate MOSFET Turn ON Time, you need MOSFET ON Delay Time (Td-on) & Rise Time (Tr). With our tool, you need to enter the respective value for MOSFET ON Delay Time & Rise Time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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