锂电池降压3V,2.5V,锂电池降压2.8V,锂电池降压1.5V,锂电池降压1.8V,锂电池降压1.2V;
3.7V降压3V,2.8V,3.7V降压1.5V,3.7V降压1.2V,3.7V降压1.8V。
PL5900A同步整流降压IC,最大电流1.2A,输出电压可调,功耗80UA;
PL5902 同步整流降压IC,最大电流2.0A,输出电压可调,功耗80UA;
PL5903 同步整流降压IC,最大电流3.0A,输出电压可调,功耗14UA;
PL3502 LDO线性稳压IC,最大电流300MA,可选固定输出:1.8V,2.8V,3.3V,功耗35uA.
3.7V锂电池转3V电路:
![](https://file.elecfans.com/web2/M00/44/6E/pYYBAGKEwcyAWZn4AAHjZMlkiU0763.png)
3.7V锂电池转2.8V电路:
![](https://file.elecfans.com/web2/M00/44/6C/poYBAGKEwcuAX0wzAAHlwd4AxUU887.png)
3.7V锂电池转2.5V电路:
![](https://file.elecfans.com/web2/M00/44/6E/pYYBAGKEwcyAdFjvAAGhgmgTEFA897.png)
3.7V锂电池转1.8V电路:
![](https://file.elecfans.com/web2/M00/44/6C/poYBAGKEwcyAcwsmAAHVetVbiCA711.png)
3.7V锂电池转1.5V电路:
![](https://file.elecfans.com/web2/M00/44/6E/pYYBAGKEwcyAU87iAAGa1Do3_T4976.png)
3.7V锂电池转1.2V电路:
![](https://file.elecfans.com/web2/M00/44/6C/poYBAGKEwc6AKa25AAGbzJ61lQo631.png)