LMR23610,是1A输出,用得是powerPAD封装,而TPS54308是3A的输出,却用的是SOT23的封装,不容易烧么?看都是集成的mos开关;
另外我想设计一个24V转12V的负载要1A,静态电流尽量不超过1mA,请推荐一个量产的芯片?
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Hi
加PowerPAD很大一个原因是芯片散热,如果本身芯片内部MOS功耗不是特别高(Rdson较小等),可能没有Powerpad.
选型,建议你用webench: http://www.ti.com.cn/tihome/cn/docs/homepage.tsp