SY7901 controller equivalent, high efficiency 500khz 25v pwm controller.
* Input Voltage Range 3V to 25V
* 500kHz Fixed Switching Frequency
* An Accurate DC Input Current Limit
* External Compensation
* Internal Soft-start .
The SY7901 has an accurate DC input current limit. External compensation provides flexible adjustment of control loops .
The SY7901 is a current mode DC/DC controller targeted for Boost, Sepic, Flyback and Forward applications. The SY7901 has an accurate DC input current limit. External compensation provides flexible adjustment of control loops for different applicatio.
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