你问的是代理商吗?
L6384的数据手册(October 2007 Rev 1)第9页都说的很清楚 ,估计是你的Vdrop参数超了,才要外加的。
Vdrop has to be taken into account when the voltage drop on CBOOT is calculated: if this drop
is too high, or the circuit topology doesn’t allow a sufficient charging time, an external diode
can be used. |