有客户是做CGM(连续血糖监控),需要一个从3V升压到3.3V和3V 降压到-3.3V的DCDC,电流不需要大,只要10mA 左右就够了,需要体积比较小,如果能一个芯片出来正负压最好,如果不行的话,可以分别用升降压和降压DCDC。是否能帮忙推荐合适的型号?谢谢!
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Hi
升压芯片可以选择TPS61041之类
负压芯片可以TPS560200 ,TPS62170之类, 降压芯片将输出接到Gnd, 原本的GND就变成负压输出。参考: www.ti.com.cn/.../zhcac17d.pdf