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- Commodity name: LP3667BH
- 封装: SOP7L
- 品牌: LANDP/Xinmao Micro
Product Model: LP3667BH
LP3667 is a highly integrated, isolated adapter and charger with a self-powered PSR control chip, featuring an extremely simple peripheral design. The LP3667 uses a fixed primary peak current, setting the output constant current point via the transformer primary-secondary turns ratio; the output constant voltage point is set by setting an FB resistor. To simplify system costs, the LP3667 includes a built-in startup circuit, eliminating the need for external startup resistors, and a built-in FB shunt resistor, using a fixed peak current to eliminate the current limiting resistor; a self-powered approach eliminates the auxiliary winding VCC supply diode. To optimize output current consistency, the LP3667 incorporates a built-in input line voltage compensation function; to save on external wiring, the LP3667 uses a fixed output cable compensation method for output voltage compensation. The LP3667 integrates multiple protection functions, including VCC clamping/undervoltage protection, output short-circuit protection, and overtemperature protection. The LP3667 uses a SOP7L package.
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