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An L298 can source current and it can sink current.
A mosfet can do only one. A P-channel Mosfet plus an N-channel Mosfet can do both.
the minimum input voltage for an L298 is 2.3V.
The minimum input voltage for most Mosfets is 10V but some work with an input voltage of 4.5V and less.
The max output current of an L298 is only 2A per channel and it has a fairly high output voltage loss.
The output current of some Mosfets is 75A or more with a low voltage loss.
You forgot to tell us what is your 10A load:
Is it a motor?
Does it need to run forward and reverse?
You also forgot to tell us what is the voltage of the signal source:
Is it only 3.5V from a TTL gate?
Is it only 5.0V from a microcontroller?
Is it 10V or 12V from a Cmos gate?
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