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  • LM5164: Efficiency at ultra light load

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    Part Number: LM5164 Other Parts Discussed in Thread: TIDA-00393 , Tool/software: Dear Dear, My design with type III ripple generation, Iq is about 20uA when Vin=24V, Vout=3.6V But with light load 20uA, input current is about 140uA. Q1. Is that normal…
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  • TPS7A26: Can we use TPS7A26 LDO together with TPS63900 DC-DC to minimise current draw?

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    Part Number: TPS7A26 Other Parts Discussed in Thread: TIDA-00393 , TPS63900 , TPS709 Inspired by TI's design article (TIDA-00393) "Adding an LDO for Increased Standby Mode Efficiency", we are considering using a TPS7A26 LDO in conjunction with a TPS63900…
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  • RE: TPS782: TPS782 with DC/DC converter for MCU supply

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    Hi Jejomar, This is a very good way to minimize standby power. One trick to make sure that the LDO's Maximum V OUT is less than the DC/DC converters minimum V OUT . This ensures that when the DC/DC converter is enabled, it will be supplying 100% of…

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