The 1- to 6-channel load switch circuit consisting of the MAX1822 and 74C906 is shown in the figure. The MAX1822 is a charge pump switching power supply with an input voltage range of 3.5 to 16V and an output voltage of 11V to drive a low-impedance N-channel MOSFET. 74C906 is a six-inverter, SW1 ~ SW6 six switching signals can be fed simultaneously, or can be combined individually or randomly, depending on the working state of the load switch.
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