Power Factor Corrected TRIAC Dimmable LED Driver
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Технические характеристики

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Корпус SO-8 SOIC8
Рабочая частота
Максимальное выходное напряжение
Диапазон входных напряжений
Тип преобразователя
Примечание Power Factor Corrected Dimmable LED Driver
Рабочая температура
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Документация на NCL30000DR2G 

Дата модификации: 05.08.2021

Размер: 384.4 Кб

25 стр.

NCL30000 Power Factor Corrected Dimmable LED Driver The NCL30000 is a switch mode power supply controller intended for low to medium power single stage power factor (PF) corrected LED Drivers. The device is designed to operate in critical conduction mode (CrM) and is suitable for flyback as well as buck topologies. Constant on time CrM operation is particularly suited for isolated flyback LED applications as the control scheme is straightforward and very high efficiency can be achieved even at low power levels. These are important in LED lighting to comply with regulatory requirements and meet overall system luminous efficacy requirements. In CrM, the switching frequency will vary with line and load and switching losses are low as recovery losses in the output rectifier are negligible since the current goes to zero prior to reactivating the main MOSFET switch. The device features a programmable on time limiter, zero current detect sense block, gate driver, trans-conductance error amplifier as well as all PWM control circuitry and protection functions required to implement a CrM switch mode power supply. Moreover, for high efficiency, the device features low startup current enabling fast, low loss charging of the VCC capacitor. The current sense protection threshold has been set at 500 mV to minimize power dissipation in the external sense resistor. To support the environmental operation range of Solid State Lighting, the device is specified across a wide junction temperature range of −40C to 125C. SOIC−8 CASE 751 PIN CONNECTION MFP Comp Ct CS (Top View) MARKING DIAGRAM 8 1 Features            VCC DRV GND ZCD Very Low 24 mA Typical Startup Current Constant On Time PWM Control Cycle-by-Cycle Current Protection Low Current Sense Threshold of 500 mV Low 2 mA Typical Operating Current Source 500 mA/Sink 800 mA Totem Pole Gate Driver Reference Design for TRIAC and Trailing Edge Line Dimmers Wide Operating Temperature Range No Input Voltage Sensing Requirement Enable Function and Overvoltage Protection These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant A L Y W G L0000 ALYW G = Assembly Location = Wafer Lot = Year = Work Week = Pb-Free Package ORDERING INFORMATION Device Package Shipping† NCL30000DR2G SOIC−8 (Pb−Free) 2,500/Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Typical Applications      LED Driver Power Supplies LED Based Down Lights Commercial and Residential LED Fixtures TRIAC Dimmable LED Based PAR Lamps Power Factor Corrected Constant Voltage Supplies  Semiconductor Components Industries, LLC, 2012 September, 2012 − Rev. 1 1 Publication Order Number: NCL30000/D PDF
Документация на NCL30000DR2G 

NCL30000 - Power Factor Corrected Dimmable LED Driver The NCL30000 is a switch mode power supply controller intended for low to medium power single stage power factor (PF) corrected LED Drivers. The device is designed to operate in critical conductio

Дата модификации: 06.09.2012

Размер: 269.1 Кб

22 стр.

    Публикации 3

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    27 января 2011

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    29 апреля 2010

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    16 марта 2010

    NCL30000 – драйвер светодиодов с функцией коррекции мощности

    Оптическая мощность и комфортность свечения светодиодов определяются величиной и формой тока, протекающего через светоизлучающую систему. Для питания светодиодов используются специальные микросхемы–драйверы. Большинство выпускаемых в... ...читать

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