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1. Non-isolated power chip, which can realize high-voltage Buck, Boost, Buck-Boost and Flyback circuits, constant voltage output, power generally below 5W, and no-load power consumption less than 100mW.
It has under-voltage protection, over-current protection, short-circuit protection, over-temperature protection and over-load protection. There are two packages, TSOT23-5 and SOIC-8, which are commonly used in home appliances and consumer electronics products.
2. Isolated flyback power chip, built-in 700V high-voltage MOSFET, using primary-side feedback, can achieve constant voltage and constant current output, the power is generally below 8W, and has under-voltage protection, over-current protection, over-temperature protection, and over-voltage protection. Commonly used in small household appliances such as mobile phone chargers and handheld device adapters.
3. Boundary control conduction mode PFC controller has a very low quiescent operating current and is used for power factor adjustment. The power is generally tens of watts. It is often used in the front-end circuit of switching power supply for power factor correction.
It has under-voltage protection, over-current protection, short-circuit protection, over-temperature protection and over-load protection. There are two packages, TSOT23-5 and SOIC-8, which are commonly used in home appliances and consumer electronics products.
2. Isolated flyback power chip, built-in 700V high-voltage MOSFET, using primary-side feedback, can achieve constant voltage and constant current output, the power is generally below 8W, and has under-voltage protection, over-current protection, over-temperature protection, and over-voltage protection. Commonly used in small household appliances such as mobile phone chargers and handheld device adapters.
3. Boundary control conduction mode PFC controller has a very low quiescent operating current and is used for power factor adjustment. The power is generally tens of watts. It is often used in the front-end circuit of switching power supply for power factor correction.
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