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- Product Description
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- Commodity name: LP3669E
- 封装: SOP8L
- 品牌: LANDP/Xinmao Micro
Product Model: LP3669E
LP3669E is a high-performance, isolated adapter and charger with a self-powered primary-side feedback control chip. It achieves constant current and constant voltage functions by detecting the current and voltage on the primary side of the transformer. With built-in loop stability compensation, it eliminates the need for a TL431, optocoupler, and auxiliary winding power supply. LP3669 achieves constant current output by setting the external current limiting resistor and the primary-to-secondary turns ratio of the transformer; constant voltage is achieved by setting the FB voltage divider resistor. To achieve a better output voltage regulation rate, LP3669 has a built-in output cable compensation function, and the output cable compensation value can be adjusted by setting the resistor value on FB. LP3669 integrates multiple protection functions, including VCC clamping/undervoltage protection, output short-circuit protection, and overtemperature protection. LP3669 is packaged in an SOP8L package
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