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请问,UCC28C44的启动电压VDD 最小是多少? 文档里未提及
你好,
datasheet里有啊,14.5V
额, 测量VDD电压是12V, 电源能稳定工作, 输出有带载。
IC的最低启动电压为14.5 V,当IC启动后,只要VCC电压高于9V,IC就可以正常工作,所以你测量到VCC电压是12V是完全正常的。
你搞错一个概念,你问的是启动电压,你现在测的是工作电压,不是一个概念。
请问UVLO的英文全称是?
under voltage lockout
这个应该是14.6v