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TPS61150: Achiebale Dimming Ratio

Part Number: TPS61150
Other Parts Discussed in Thread: LM36922H

Dear, Sir.

My customer is looking for the back-light driver to be achievable 500 : 1 Dimming ratio.

The brief connection will be similalr as Figure 16.

According Figure 6, Rising/Falling & Delay looks little bit bigger.

I would like to make sure the achievable dimming ratio using SEL1/SEL2 control on TPS61150.

Please give your advice.

Best Regards,

H. Sakai