OB3663 Demo Board Manual(C)_EUCHIPS_150211

Subject

OB3663 Demo Board Manual

Board Model: LD36V0.35A3663

Doc. No.: OB_DOC_DBM_C_366300 Key features:

Single stage PFC for LED driver, Power Using AnyTRIACTM technology

Isolated AC/DC offline,Flybuck topology High Precision output current regulation Wide dimming range from 3%-100% No visible flicker

Intelligent dimmer detection

Leading-edge dimmer

Revision History

Revise Date

Version

O

n-

Brig

©On-Bright Electronics

Confidential

OB_DOC_ DBM_C_366300

-1-

Reason/Issue

fien

tia

EN55015 EMI

l t

Trailing-edge dimmer

No dimmer

o EU

Resonant control for high efficiency

CH

Factor > 0.9

IP

Input 176-264Vac, output 36V@350mA

S

Contents Index

1. 1.1. 1.2. 1.3. 1.4. 2. 2.1 2.2 2.3 2.4 2.4.1 2.4.2 3 3.1 3.1.1 3.1.2 3.2 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.3 3.3.1 3.3.2 3.3.3 3.4 3.4.1 3.4.2 3.5 3.5.1 3.5.2 3.6 3.6.1 3.6.2 3.6

Specification..................................................................................................................................3 Input Characteristics.......................................................................................................................3 Output Characteristics....................................................................................................................3 Performance Specifications............................................................................................................3 Protection Function.........................................................................................................................3 LED Lighting InFormation............................................................................................................4 Schematic.......................................................................................................................................4 Bill of material..................................................................................................................................5 PCB Gerber File..............................................................................................................................7 Transformer Design........................................................................................................................8 Transformer Specification...............................................................................................................8 Transformer Winding data..............................................................................................................8 Performance Evaluation...............................................................................................................9 Input Characteristics.......................................................................................................................9 Efficiency.........................................................................................................................................9 Power Factor...................................................................................................................................9 Output Characteristics...................................................................................................................11 Dimming Curve.............................................................................................................................11 Dimmer Test..................................................................................................................................12 Current Ripple...............................................................................................................................13 Current Overshoot.........................................................................................................................13 Current Undershoot.......................................................................................................................14 Time Sequence.............................................................................................................................14 Adaptive Dimmer...........................................................................................................................15 Smart Dimmer Detect...................................................................................................................15 Smart TRIAC Holding Current Detect...........................................................................................16 Smart Working..............................................................................................................................16 Protection......................................................................................................................................18 OVP...............................................................................................................................................18 Short Circuit Protection.................................................................................................................19 Other Important Waveform............................................................................................................20 MOSFET VDS and Rectifier VAK @ normal/ start/ open/ short...................................................20 MOSFET Voltage and Vcs waveform...........................................................................................21 EMI Test........................................................................................................................................22 Conduction EMI Test........ …… 此处隐藏：5371字，全部文档内容请下载后查看。喜欢就下载吧 ……