LD7591 controller equivalent, transition-mode pfc controller.
without mains voltage sensing compared with traditional current mode PFC for power saving. The LD7591 can be disabled if the INV pin voltage is lower than 0.45V and the o.
It provides functions of low startup current, over voltage protection, open feedback protection, disable function, over.
The LD7591 is a voltage mode PFC controller operating on transition mode, integrated several functions of protection, such as OVP, OCP, and Brown-in protection. It minimizes the components counts and is available in a SOP-8 or DIP-8 package. Those ma.
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