做了一个TPS43061的板子，按照TI的webench的设计，输入9-15v，输出20v，最大输出电流为2A；把板子焊接好，在12v输入电压下测试，发现输出始终是10.8v左右，TPS43061的HDRV引脚为10.8v，LDRV为0，求大家帮助
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