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- Commodity name: LP8776AH
- 封装: SOT23-6
- 品牌: LANDP/Xinmao Micro
Product Model: LP8776AH
LP8776AH is an isolated constant voltage PWM controller suitable for secondary-side controlled flyback applications. The LP8776AH uses a unique high and low voltage output current compensation method, so that the output overcurrent (IOCP) does not change with the input voltage. The chip uses a multi-mode constant voltage control method: peak current control mode is used; an external RT resistor sets the operating frequency, which starts to decrease at frequencies below medium load to improve average efficiency, and at light load or no load, the system operates in burst mode. The chip uses a unique frequency jitter technology to improve EMI performance. The LP8776AH has multiple protection functions, including VCC undervoltage protection, VCC overvoltage protection, output overload protection, output synchronous rectification short-circuit protection, output short-circuit protection, overtemperature protection, output overvoltage protection, and CS resistor short-circuit protection. The LP8776AH is packaged in a SOT23-6L package
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