OB3330.pdf 데이터시트 (총 21 페이지) - 파일 다운로드 OB3330 데이타시트 다운로드

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20W LED Driver Using OB3330
LED48V0.4AOB3330.00
Subject
OB3330 Demo Board Manual
Board Model: LED48V0.4A-OB3330.00
Doc. No.: OB_DOC_DBM_A_333000
Key features:
Primary-side control with single stage PFC for LED driver
Minimum BOM component amount
Power factor >0.9
THD meet IEC61000-3-2 Class C
Short circuit protection
Meet EN55015 & FCC Part 15 EMI
Revision History
Revise Date Version Reason/Issue
2011-12-27 00
First issue
©On-Bright Electronics
Confidential
OB_DOC_DBM_A_333000
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20W LED Driver Using OB3330
LED48V0.4AOB3330.00
Contents Index
1. Adapter Module Specification ..................................................................................................... 4
1.1. Input Characteristics ....................................................................................................................... 4
1.2. Output Characteristics .................................................................................................................... 4
1.3. Performance Specifications ............................................................................................................ 4
1.4. Protection Features......................................................................................................................... 4
1.5. Environments .................................................................................................................................. 4
2.
2.1.
2.2.
2.3.
2.4.
2.4.1.
2.4.2.
2.5.
LED Module Information .............................................................................................................. 5
Schematic ....................................................................................................................................... 5
Bill of material.................................................................................................................................. 6
PCB Gerber File.............................................................................................................................. 7
LED Module Snapshot .................................................................................................................... 8
Transformer Specification ............................................................................................................... 8
Transformer Winding data............................................................................................................... 8
LED Module Snapshot .................................................................................................................... 9
3.
3.1.
3.1.1.
3.1.2.
3.1.3.
3.2.
3.2.1.
3.2.2.
3.2.3.
3.3.
3.3.1.
3.3.2.
Performance Evaluation............................................................................................................. 10
Input Characteristics ..................................................................................................................... 10
Input current .................................................................................................................................. 10
Efficiency....................................................................................................................................... 10
Power Factor & THD ..................................................................................................................... 10
Output Characteristics ...................................................................................................................11
Output Current Regulation .............................................................................................................11
Ripple & Noise ...............................................................................................................................11
Output Voltage & Current Waveform............................................................................................. 12
EMI Test ........................................................................................................................................ 14
Conducted EMI Test...................................................................................................................... 14
Radiation EMI Test ........................................................................................................................ 16
3.4Thermal Test...................................................................................................................................... 17
3.5. OVP ................................................................................................................................................... 17
3.6 Short Circuit Protection ................................................................................................................... 17
3.7 Other Important Waveform .............................................................................................................. 19
3.7.1 MOSFET Vds & Rectifier Vak @output start / normal / short .......................................................... 19
3.7.2 MOSFET Voltage and Current waveform ..................................................................................... 20
©On-Bright Electronics
Confidential
OB_DOC_DBM_A_333000
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20W LED Driver Using OB3330
LED48V0.4AOB3330.00
Figures Index
Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig.10
Fig.11
Fig.12
Fig.13
Fig.14
Fig.15
Fig.16
Fig.17
Fig.18
Fig.19
Fig.20
Fig.21
Fig.22
Fig.23
Fig.24
Fig.25
Ripple & noise waveform @90Vac/60Hz...................................................................................... 12
Ripple & noise waveform @115Vac/60Hz .................................................................................... 12
Ripple & noise waveform @230Vac/50Hz.................................................................................... 12
Ripple & noise waveform @264Vac/50Hz.................................................................................... 12
Voltage & current waveform @90Vac/60Hz, output start ............................................................. 12
Voltage & current waveform @90Vac/60Hz, normal .................................................................... 12
Voltage & current waveform @264Vac/50Hz, output start ........................................................... 13
Voltage & current waveform @264Vac/50Hz, normal .................................................................. 13
Vout & Vzcd waveform @90Vac/50Hz, output no-load ................................................................ 17
Vout & Vzcd waveform @264Vac/50Hz, output no-load .............................................................. 17
Vds & Vcs waveform @90Vac/60Hz, output short........................................................................ 18
Vds & Vcs waveform @90Vac/60Hz, spread ............................................................................... 18
Vds & Vcs waveform @264Vac/50Hz, output short ..................................................................... 18
Vds & Vcs waveform @264Vac/50Hz, spread ............................................................................. 18
Vds & Vak waveform @264 Vac/50Hz, output start ..................................................................... 19
Vds & Vak waveform @264 Vac/50Hz, output normal ................................................................. 19
Vds & Vak waveform @264 Vac/50Hz, output short .................................................................... 19
Vds&Vcs&Vcomp waveform @90Vac/60Hz, full load .................................................................. 20
Vds&Vcs&Vcomp waveform @90Vac/60Hz, spread.................................................................... 20
Vds&Vcs&Vcomp waveform @115Vac/60Hz, full load ................................................................ 20
Vds&Vcs&Vcomp waveform @115Vac/60Hz, spread .................................................................. 20
Vds&Vcs&Vcomp waveform @230Vac/50Hz, full load ................................................................ 20
Vds&Vcs&Vcomp waveform @230Vac/50Hz, spread.................................................................. 20
Vds&Vcs&Vcomp waveform @264Vac/50Hz, full load ................................................................ 21
Vds&Vcs&Vcomp waveform @264Vac/50Hz, spread.................................................................. 21
Tables Index
Table. 1 Input current under full load ....................................................................................................... 10
Table. 2 Efficiency .................................................................................................................................... 10
Table. 3 Power factor ............................................................................................................................... 10
Table. 4 THD test under full load ..............................................................................................................11
Table. 5 Line Regulation & Load Regulation ............................................................................................11
Table. 6 Output voltage, led current ripple & noise...................................................................................11
Table. 7 Thermal test result ..................................................................................................................... 17
Table. 8 Output voltage under no-load condition ..................................................................................... 17
Table. 9 Short protection & Input power................................................................................................... 17
Table.10 Vds_max, Vak_max @start/normall/output short ...................................................................... 19
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Confidential
OB_DOC_DBM_A_333000
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