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请问关于TPS61040输出正负10v的最大电流问题

Other Parts Discussed in Thread: TPS61040, TPS61093

参照TPS61040的Datasheet设计5v输入,±10V输出的DC装换电路。按照参数表,TPS61040的总输出电流可以达到400mA,但我现在发现±10v各输出100mA都无法实现。请问该如何处理?

谢谢!

  • Hi

         400mA是开关电流,按照你的条件,肯定是实现不了100mA的输出,开关电流太小。

         如果需要+/-10v/100mA,  建议你选择TPS61093,  并且将chargepump电容稍微用大一点,例如0.22uF