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LTC2977 SHARE_CLK pin

Question asked by kamino-t@tecstar.macnica.co.jp on Mar 29, 2018
Latest reply on Mar 29, 2018 by kamino-t@tecstar.macnica.co.jp

Hello

 

Are there any problem ,which SHARE_CLK pin(pin 21) left open when one LTC2977 using?

or

SHARE_CLK pin need 5.49Kohm pull up to VDD33 in every case even if one LTC2977 using?

 

I can't understood how relate between SHARE_CLK pin status and TON_DELAY.

In the datasheet P37 description.

"TON_DELAY sets the amount of time in milliseconds that a channel waits following the start of an ON sequence before
its VOUT_EN pin enables a DC/DC converter. This delay is counted using SHARE_CLK only."

 

Best Regards

T.Kamino

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