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LD7591 Transition-Mode PFC Controller

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Description

LD7591 04/30/2009 Transition-Mode PFC Controller with Fault Condition Protection Datasheet.P03 (for Internal Use Only) General .
The LD7591 is a voltage mode PFC controller operating on transition mode, integrated several functions of protection, such as OVP, OCP, and Brown-in p.

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Features

* 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 operating current decreases to 65μA . Features z z z z z z z z z z z Transition mode of PFC pre-regulator Voltage mode control Pr

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