Datasheet > NCL30002

NCL30002

更新时间： 2024-11-27 11:58:47

品牌	Logo	应用领域
安森美 - ONSEMI		驱动器功率因数校正
页数	文件大小	规格书
17页	232K
描述
Power Factor Corrected Buck LED Driver

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中文翻译

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NCL30002 数据手册

NCL30002

Power Factor Corrected

Buck LED Driver

The NCL30002 is a switch mode power supply controller intended

for low to medium power single stage power factor (PF) corrected

LED Drivers. The device operates as a critical conduction mode

(CrM) buck controller to regulate LED current at a high power factor

for a specific line voltage range. The current limit threshold is tightly

trimmed allowing open loop control techniques to reduce parts count

while maintaining accurate current regulation and high power factor.

CrM operation is particularly suited for LED applications as 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. 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

http://onsemi.com

MARKING

DIAGRAM

L0002

ALYW

SOIC−8

D SUFFIX

CASE 751

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

PIN CONNECTION

MFP

Comp

DRV

GND

ZCD

loss charging of the V

capacitor. The current sense protection

threshold has been set at 485 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.

(Top View)

ORDERING INFORMATION

†

Device

NCL30002DR2G

Package

Shipping

Features

• Very Low 24 mA Typical Startup Current

• Cycle−by−Cycle Current Protection

SOIC−8 2500 / Tape & Reel

(Pb−Free)

• Tightly Trimmed Low Current Sense Threshold of 485 mV 2%

• Low 2 mA Typical Operating Current

• Source 500 mA / Sink 800 mA Totem Pole Gate Driver

• Wide Operating Temperature Range

• Enable Function and Overvoltage Protection

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

Compliant

†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 Bulbs

• Commercial and Residential LED Fixtures

Publication Order Number:

March, 2012 − Rev. 0

NCL30002/D

12 3 4 5 6 7...17

中文翻译

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与NCL30002相关器件

型号	品牌	获取价格	描述	数据表
NCL30002DR2G	ONSEMI	获取价格	LED 驱动器，离线降压，功率因数校正
NCL30030B1DR2G	ONSEMI	获取价格	结合功率因数校正和准谐振反激的AC-DC控制器，优化用于LED照明
NCL30030B2DR2G	ONSEMI	获取价格	结合功率因数校正和准谐振反激的AC-DC控制器，优化用于LED照明
NCL30030B3DR2G	ONSEMI	获取价格	结合功率因数校正和准谐振反激的AC-DC控制器，优化用于LED照明
NCL30051	ONSEMI	获取价格	PFC and Half-Bridge Resonant Combo Controller for LED Lighting
NCL30051DR2G	ONSEMI	获取价格	PFC and Half-Bridge Resonant Combo Contro for LED Lighting
NCL30059	ONSEMI	获取价格	High-Voltage Half-Bridge Controller for LED Lighting Applications
NCL30059BDR2G	ONSEMI	获取价格	High-Voltage Half-Bridge Controller for LED Lighting Applications
NCL30060	ONSEMI	获取价格	High PF Offline Single Stage LED Driver
NCL30060_16	ONSEMI	获取价格	High PF Offline Single Stage LED Driver

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