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Old 04-13-2011, 06:26 PM #1
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Default Microboost heatsinking

Gotta question for any folks who happen to know...which components on the Micro-boost drivers from lava would benefit from heatsinking. I see a 8 pin chip, and another transistor looking thing, the rest are resistors, caps, and a diode...now the inductor i know doesnt need it, but im looking to run 500mA with NO duty cycle as in constant on for as long as i like...dont worry about the diode...its sinked well, im just worried about the driver.

Any help is appreciated!

EDIT: also, i was wondering if anyone had definite pictures showing the solder bridges that allows you to hit 1.3A.



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Old 04-13-2011, 06:38 PM #2
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Default Re: Microboost heatsinking

the IC's.... would need heatsinking
i think.
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Old 04-13-2011, 07:59 PM #3
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Default Re: Microboost heatsinking

the IC's? well one i know is a 8-pin IC that probably does the boost fuction...and I think the other chip is a transistor that drives the current...

ok im a moron...i just figured it out for myself... thanks bluuray for spurring up my memory... its the transistor that needs the sinking... well anyways though I still would like to know whats the solder blob configuration that allows me to hit 1.2A -1.3A.
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Old 04-13-2011, 08:21 PM #4
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Default Re: Microboost heatsinking

http://hacylon.case.edu/ebay/laser_d...1%20manual.pdf
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Old 04-13-2011, 08:29 PM #5
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Default Re: Microboost heatsinking

Quote:
Originally Posted by steviedezie View Post
well anyways though I still would like to know whats the solder blob configuration that allows me to hit 1.2A -1.3A.
Quote:
Originally Posted by bluuray View Post
You jump all three places. You jump the two small resistors to the pad on the one side (210-410 range) AND the large resistor to the pad on the other side (390-750 range)

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Old 04-13-2011, 10:26 PM #6
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Default Re: Microboost heatsinking

ahhh thank you dave, thats just what i needed to know. cool no need for a flex then. just gotta make sure i sink this microboost reaaalll good.
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