C2161PX2 controller equivalent, primary sensing smps controller.
* Advanced primary sensing controller achieves true CV/CC output characteristic without opto-coupler
* Full featured protection for over-temperature, input over-.
ADVANTAGES
* Low cost bipolar primary switch
* Tight tolerance CV/CC operation
* Low component count
*.
From initial application of power or from Run mode if VDD falls below VDDSLEEP below VDDREG, the controller changes to Sleep mode. Non-essential controller circuits are powered down and the external switching transistor (Q1) is held off. Exit from S.
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