NCL30081: 可分步调光的准谐振初级端电流模式控制器用于LED照明

NCL30081是一款PWM电流模式控制器，用于隔离型反激及非隔离降压-升压恒流拓扑结构。这控制器采用准谐振模式工作，以提供高能效。由于采用新颖的控制方法，NCL30081能在初级端精确地对LED电流进行稳流，这就省去次级端反馈电路、偏置及光耦。这控制器集成了5步对数调光功能，使LED灯泡能够采用标准壁式开关来进行调光。

特性

Primary Side Sensing
Wide VCC Range
Precise LED Current Regulation of ±1% typical
~ 0.90 PF with passive valley fill
Open and shorted output protection
Secondary Diode Short Protection
Shorted Current Sense Fault Detection
Input Line Voltage Sensing
Auto-recoverable (B-version) and Latched (A-version) fault handling
Wide Temperature range of -40 to 125 °C

优势

No opto-coupler or secondary control circuitry
Simplifies support for a broad range of LED forward voltages with one transformer design
No need for binned forward voltage LEDS or production trimming for current accuracy
Supports US Energystar ® Integral LED Bulb and Luminaire Specifications
Easy handling of possible LED string faults
Avoids overheating in fault mode
Robust fault handling
Enhanced Regulation Accuracy across AC line variation
Flexiblity in fault handling response
Supports outdoor and high temperature environments

应用

Integral LED Driver Electronics

终端产品

LED Bulbs and Downlights
LED Driver Power Supplies
Electronic Control Gear for LEDs

封装

设计和开发工具 (2)

Document Title	Document ID/Size	Revision	Revision Date
NCL3008x Design Worksheet	NCL3008X DWS.XLS (57.0kB)	0
NCL3008x Design Worksheet - MathCad	NCL3008X DWS.MCD (231.0kB)	0

封装图纸 (1)

Document Title	Document ID/Size	Revision
TSOP-6	318G-02 (64.1kB)	V

应用注释 (2)

Document Title	Document ID/Size	Revision	Revision Date
Designing a LED Driver with the NCL30080/81/82/83	AND9131/D (534kB)	1	Dec, 2014
Performances of a LED Driver Driven by the NCL30080/81/82/83	AND9132/D (322.0kB)	0

评估板文档 (5)

Document Title	Document ID/Size	Revision
3.6 W Flyback 3 LED Step Dimmable Driver NCL30081LEDGEVB Evaluation Board User's Manual	EVBUM2175/D (1306.0kB)	0
NCL30081LEDGEVB Bill of Materials ROHS Compliant	NCL30081LEDGEVB_BOM_ROHS.PDF (50.0kB)	7
NCL30081LEDGEVB Gerber Layout Files (Zip Format)	NCL30081LEDGEVB_GERBER.ZIP (24.0kB)	3
NCL30081LEDGEVB Schematic	NCL30081LEDGEVB_SCHEMATIC.PDF (192.0kB)	0
NCL30081LEDGEVB Test Procedure	NCL30081LEDGEVB_TEST_PROCEDURE.PDF (74.0kB)	0

数据表 (1)

Document Title	Document ID/Size	Revision	Revision Date
Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting	NCL30081/D (264kB)	1

评估板与开发工具

产品	状况	Compliance	简短说明
NCL30081LEDGEVB	Active	Pb-free	Flyback Compact GU10 4W Current Mode Evaluation Board

产品订购型号

产品	状况	Compliance	封装		MSL*	容器		预算价格 (1千个数量的单价）
NCL30081ASNT1G	Active	Pb-free Halide free	TSOP-6	318G-02	1	Tape and Reel	3000	$0.28
NCL30081BSNT1G	Active	Pb-free Halide free	TSOP-6	318G-02	1	Tape and Reel	3000	$0.28