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LED2000 / ST1CC40 SOFT START

stinkybass
Associate
Posted on June 20, 2013 at 04:51

New design.  Looking for 1.5A  current through a single LED.

Primary Lithium Cell Battery Powered design.  Vin 4V - 6V

Has anyone tackled the issue of ST's ''soft start'' time causing a flash on power up? 

Apparently the DIM/INH pin as to be held high for ~1ms in order to get the logic up and running.  My experiments have not gotten the performance I need.  If anyone has worked with this part I'd love to know if this was an issue for you.

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