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您好，我在产品中需要用到12V输入，输出78V，60V，40V三挡电压可在线切换，输出电流不大，100mA就可以了。想用TPS40210，请教有什么比较好的方法？如果这个芯片不满足，是否有其他的推荐，当然成本希望低一点，谢谢
