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Off line buck LED controller with PWM dimming

Publisher: Administrator    Date:2020-12-03

JW®1827 is an offline buck LED controller suitable for PWM dimming. Realize high output constant current accuracy through optimized sampling technology. The critical conduction mode ensures high efficiency and good EMI performance. The device is directly powered by the line voltage, without auxiliary winding and starting circuit, which can reduce the system BOM cost. It has multiple protection functions, which greatly improves the safety and reliability of the system, including VDD undervoltage lockout, Vin undervoltage lockout, LED short-circuit protection and over-temperature protection.

PWM dimming offline buck LED controller

Product Features:
1. Supply directly online;
2. Key conduction mode;
3. Suitable for PWM dimming
4. Optimized dimming performance;
5. The dimming range is 5.0%~100%;
6. LED short circuit protection
7, Vin undervoltage lockout;
8. Superheat protection;
9. SOT23-6 package



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