Re: [Oap-discuss] DC/DC switching regulator

[Dafydd W. <daf...@gm...>]

Hi Scott,

That one does look like a decent replacement.

The main concern, particularly for the high-current boards like the sonar
module (which powers all the current-thirsty sonar sensors), is that the
regulator gets too hot as it converts the robot's lead-acid battery voltage
down to 5V.

This Texas Instruments switching regulator has an efficiency of 75%, which
is similar to the original part, so it shouldn't get too hot.

Regards,
Dafydd.
 sorry, the PWRGD indicates when the LMZ3 regulator is out of regulation.

I learned there are TO-220-5 (though hole) packages available for the Texas
Instruments 2A step-down switching regulators

http://www.ti.com/lit/ds/snvs075c/snvs075c.pdf

Does that seem like a good fit?

Should I add it to the MCM, also?

Thanks,
--scott c.


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