NCL30083: 可分步调光的准谐振初级端电流模式控制器用于LED照明，带热反走

NCL30083是一款PWM电流模式控制器，用于隔离反激及非隔离降压-升压恒流拓扑结构。此控制器采用准谐振模式工作，提供高能效。由于采用新颖的控制方法，该器件能够精密地对初级端电流进行稳流，无需次级端反馈电路、偏置及光耦。该器件集成度高，所需外部元件数量极少。内置一系列强固的保护特性以简化设计。该器件支持5步对数调光从完整亮度调降到5%。为延长系统使用时间，它在用户可编程的温度点提供电流反走。虽然NCL30083集成固定的过压保护，但设计人员可选择更低的过压保护级别进行编程。

特性

Primary Side Sensing
Wide VCC Range
Precise LED Current Regulation of ±1% typical
~ 0.9 power factor with passive valley fill
User Programmable Thermal Foldback
Open and Shorted Output Protection
Secondary Diode Short Protection
5 Step Dimmable to < 5% output current
VCC undervoltage and overvoltage protection
Latched (A version) and Auto-recoverable (B version) fault handling
Wide temperature range of -40 to 125 °C
Input Line Voltage Sensing
Programmable Soft start

优势

No optocoupler or secondary control circuitry required
Allows support for wide number of LEDs in string and simplifies transformer design
No need for binning of LED forward voltage or trimming in production for accuracy
Meets Energystar® LED Bulb and Residential Luminaire Standards
Protects system from overheating by gracefully reducing current
Robust handling of faults
Avoids overheating in fault conditions
Allows dimming with standard wall switch
Reliable operation across all conditions
Flexiblity in design
Supports outdoor and high temperature operating environments
Enhanced regulation accuracy
Improves startup behavior

应用

Line Powered LED Drivers
Integral Driver Electronics

终端产品

Integral LED Bulbs and downlights
LED Light Engines
Electronic Control Gear for LEDs

封装

设计和开发工具 (1)

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

封装图纸 (1)

Document Title	Document ID/Size	Revision
Micro 8 lead Surface Mount	846A-02 (57.7kB)	J

应用注释 (3)

Document Title	Document ID/Size	Revision	Revision Date
Circuit Design and PCB Layout Guidelines for Designs Using the NCP108x	AND9133/D (60kB)	1	Mar, 2015
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 (9)

Document Title	Document ID/Size	Revision
NCL30083BB1GEVB Bill of Materials ROHS Compliant	NCL30083BB1GEVB_BOM_ROHS.PDF (109.0kB)	1
NCL30083BB1GEVB Gerber Layout Files (Zip Format)	NCL30083BB1GEVB_GERBER.ZIP (117.0kB)	4
NCL30083BB1GEVB Schematic	NCL30083BB1GEVB_SCHEMATIC.PDF (252.0kB)	1
NCL30083BB1GEVB Test Procedure	NCL30083BB1GEVB_TEST_PROCEDURE.PDF (215.0kB)	1
NCL30083FLYGEVB Bill of Materials ROHS Compliant	NCL30083FLYGEVB_BOM_ROHS.PDF (109.0kB)	1
NCL30083FLYGEVB Gerber Layout Files (Zip Format)	NCL30083FLYGEVB_GERBER.ZIP (117.0kB)	4
NCL30083FLYGEVB Schematic	NCL30083FLYGEVB_SCHEMATIC.PDF (300.0kB)	1
NCL30083FLYGEVB Test Procedure	NCL30083FLYGEVB_TEST_PROCEDURE.PDF (216.0kB)	1
NCL30083xxxGEVB Evaluation Boards User's Manual	EVBUM2179/D (1951.0kB)	1

数据表 (1)

Document Title	Document ID/Size	Revision	Revision Date
Dimmable Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting	NCL30083/D (387kB)	2

评估板与开发工具

产品	状况	Compliance	简短说明
NCL30083BB1GEVB	Active	Pb-free	10 W / 200 mA Buck Boost Evaluation Board
NCL30083FLYGEVB	Active	Pb-free	FLYBACK A19 10W/500MA 100

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）
NCL30083ADMR2G	Active	Pb-free Halide free	Micro8™	846A-02	1	Tape and Reel	4000	$0.31
NCL30083BDMR2G	Active	Pb-free Halide free	Micro8™	846A-02	1	Tape and Reel	4000	$0.31