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TPS40210: 电源芯片选型推荐

Part Number: TPS40210
Other Parts Discussed in Thread: LM5022

前面项目用TPS40210做电源芯片,输入12V,输出变压器两个绕组,输出+20V和+18/-3V两路电压  功率20W左右

想问下TI对这种类型的电源是否有其他推荐的型号,例如低成本的和高效率的?

谢谢