J
JH
- Jan 1, 1970
- 0
Hi, I am having some troubles interpreting the switching time curves
given in the ON semi datasheet for the MMBTA06 NPN transistor. Its
available on the ON website. On pg 3 of the datasheet (fig 4) is a
plot with 4 curves of time vs collector current. They are labeled Tr,
Tf, Ts, and Td. I am assuming that Tr and Tf are rise and fall time,
but what are Ts and Td ? I am guessing T switching and T delay ? I
wish they had put in a timing diagram! I searched on the ON site and
did not turn up any handy application notes explaining the datasheet.
I am trying to calculate the delay time of this part given the way its
biased in the design. Its used to drive a couple FETs as part of a
gate driver. We've measured some unexpectedly long delay time in the
actual circuit from the logic gate and resistors driving the base to
the voltage on the collector and I am trying to understand the
parameters that are affecting that.
Thanks,
Jeff
given in the ON semi datasheet for the MMBTA06 NPN transistor. Its
available on the ON website. On pg 3 of the datasheet (fig 4) is a
plot with 4 curves of time vs collector current. They are labeled Tr,
Tf, Ts, and Td. I am assuming that Tr and Tf are rise and fall time,
but what are Ts and Td ? I am guessing T switching and T delay ? I
wish they had put in a timing diagram! I searched on the ON site and
did not turn up any handy application notes explaining the datasheet.
I am trying to calculate the delay time of this part given the way its
biased in the design. Its used to drive a couple FETs as part of a
gate driver. We've measured some unexpectedly long delay time in the
actual circuit from the logic gate and resistors driving the base to
the voltage on the collector and I am trying to understand the
parameters that are affecting that.
Thanks,
Jeff