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TPS613222ADBV使用问题

Other Parts Discussed in Thread: TPS61099

TPS613222ADBV      输入接3.6V锂亚电池,  输出5V,   给射频模块用,       当射频模块发送时,

TPS613222ADBV 输出电流82mA,  输入电流120mA,  当模块接收时,    电源芯片 输出电流10mA , 输入电流16mA        ,发送持续230ms,   接收持续400ms ,    电源芯片空载时,功耗40uA,     
为啥带载以后, 自身功耗那么大?  发射时,电源芯片自身都消耗38mA 啊,   请TI的工程师解释一下,  电路按下图做的