AP3971 switcher equivalent, primary side power switcher.
* Primary Side Control for Eliminating Opto-coupler and Secondary CV/CC Control Circuitry
* Built-in NPN Transistor with 700VCBO
* Low Start-up Current: 0.2µA.
within 5W. Typical applications include adapter for ADSL, auxiliary supplies or open frame types for appliances.
The AP3.
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