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TPS92691: 恒流输出改为恒压输出

Part Number: TPS92691

你好,

1.想了解为什么大多数恒流芯片反馈电压在0.2V左右,而恒压芯片一般电压在0.6V至1.25V左右?

2.恒流输出(反馈电压0.2V左右)能够改为恒压输出吗,规格书标定恒流的芯片改为用于恒压,会有什么风险和注意点呢?(环路参数调整?)

3.为什么芯片规格书一般0.2V是恒流芯片,0.8V是恒压芯片