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使用DCDC(TPS62740)给CC1310+CC1190供电,对RF信号是否有干扰?

Other Parts Discussed in Thread: TPS62740

大部分RF电源都采用的LDO,但我们采用单节锂电池供电,使用3.3V的LDO锂电池电量利用率太低,想用DCDC(TPS62740)来给RF电源供电,不知道对RF的影响大不大,或者有没有RF专用DCDC-3.3V芯片推荐,需求Vin=3.3-5.5V  I>300mA  Iq<3uA   纹波小的射频上用的DCDC。