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资质认证
| PFC LED driver supports the TRIAC dimmer |
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ON Semiconductor (ON Semiconductor) introduced a new power factor correction (PFC) tunable light-emitting diode (LED) driver - NCL30000, for residential and commercial lighting applications. NCL30000 compact 8-pin surface mount package, the critical conduction mode (CrM) anti-shock structure, a single-stage topology to provide high power factor greater than 0.95, and thus save DC - DC (DC-DC) conversion segment. CrM constant on-time work is particularly suitable for isolated flyback LED applications, because the control is simple in principle, even at low power levels, can also provide high energy efficiency. This is very important in the field of LED lighting, the purpose is to meet all regulatory requirements and overall system optical efficiency (efficacy) requirements. Typical applications include LED driver power supply, LED Downlights, triac switching components (TRIAC) dimmable LED lights and power factor correction constant voltage power supply. This cutting-edge devices with the TRIAC dimmer and dimmer tail along the transistor compatible. Depending on the use of dimmers, LED output adjustable down to 2%. Provides 3 power of 15 watts (W) reference design to 350 milliamps (mA) current drive 4-15 LED. They can also be easily adjusted to meet the 5 W to 30 W power level: NCL30000 operating temperature range is -40 ℃ to 125 ℃, to ensure that for most solid-state lighting (SSL) applications in different environments under the scope of work. NCL30000 has a typical 24 microamps (μA), low starting current and a low typical operating current of 2 mA, with energy-efficient design. NCL30000 Other key features include programmable on-time limiter, zero current detection (ZCD) sensor module, gate driver, and application switching power supply all the necessary CrM other pulse-width modulation (PWM) circuit and protection. Semiconductor NCL30000 is tested through a complete, high power factor for offline TRIAC dimmable LED driver GreenPoint ® reference design for key components, intended for use in the United States "Energy Star" commercial and residential lighting applications. ON Semiconductor's website to provide this reference design and the other reference design documentation. Semiconductor's power and portable products, senior director of global sales and marketing, said Hemen Cheng: "Our customers need compatible wiring and control dimmable LED driver solution. NCL30000 provides excellent optical performance adjustment, adjustable light as low as 2% This device is ideal for isolated flyback applications, but can also be used for non-isolated buck topology. " |
