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The Voltage Across The Diode Is Given by

The document presents the equation for the voltage across a diode (VD) in relation to the reverse saturation current (IS) and temperature (T). It defines the PTAT voltage (VT) and its temperature coefficient, along with the expression for IS involving a constant (b), an energy gap (Eg), and temperature factors. The equations highlight the relationship between diode voltage, current, and temperature in semiconductor physics.

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Golu Gllu
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1 views1 page

The Voltage Across The Diode Is Given by

The document presents the equation for the voltage across a diode (VD) in relation to the reverse saturation current (IS) and temperature (T). It defines the PTAT voltage (VT) and its temperature coefficient, along with the expression for IS involving a constant (b), an energy gap (Eg), and temperature factors. The equations highlight the relationship between diode voltage, current, and temperature in semiconductor physics.

Uploaded by

Golu Gllu
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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The voltage across the diode VD is given by:

 
I0
VD = VT ln (1)
IS

where
kT
VT =
q
is a PTAT voltage with
∂VT k
= ,
∂T q
and IS is the reverse saturation current given by:
 −E 
g
IS = b T m exp
kT
(2)

where b is a constant, m = 1.5, and Eg is the energy gap between the


conduction and valence bands of silicon.

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