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- Commodity name: LP2178A
- 封装: SOP8L
- 品牌: LANDP/Xinmao Micro
Product Model: LP2178A
LP2178 is a high-efficiency, high-precision, non-isolated buck switching power supply constant voltage control driver chip. Suitable for non-isolated buck and buck-boost topologies with a full range of input voltages from 85VAC~265VAC, especially suitable for driving power supplies in small household appliances and white goods. The LP2178 integrates a high-voltage power tube and uses a constant voltage control mode. The system can operate in CCM and DCM modes. It uses a unique PFM control method to improve audio characteristics. It has built-in unique peak current control, eliminating the need for a CS resistor; it has a built-in start-up circuit, eliminating the need for a start-up resistor. It features simple external applications and high reliability. The LP2178 has multiple protection functions, including VCC clamping/undervoltage protection, output short-circuit protection, inductor overcurrent protection, and overtemperature protection. The LP2178 uses an SOP8L package.
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