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| OB2262 Application Note 15W Adapter Module Design with OB2262 www..com (Preliminary Release) Key Features Low component count Standby Power 0.2W Audio noise free operation OCP with line compensation Version v.1.0 Date 2005-6-23 Revision History Preliminary Release (c) On-Bright Electronics Confidential OB_DOC_AN_2262A1 OB2262 Application Note Index Adaptor Module Specification ..................................................................................................................... 3 1.1. Input Characteristic .......................................................................................................................... 3 1.2. Output Characteristic........................................................................................................................ 3 1.3. Performance Spec............................................................................................................................. 4 1.4. Protection Features ........................................................................................................................... 4 1.5. Environmental .................................................................................................................................. 4 1.6. Dielectric withstand (Hi-pot) test ..................................................................................................... 4 Insulation.......................................................................................................................................... 4 www..com1.7. 2 Adaptor Module Information ....................................................................................................................... 5 2.1 Schematic ......................................................................................................................................... 5 2.2 PCB Garber File ............................................................................................................................... 6 2.3 BOM................................................................................................................................................. 7 3 Performance Evaluation ............................................................................................................................... 9 3.1 Input Characteristics....................................................................................................................... 10 3.2 Output Characteristics .................................................................................................................... 10 3.3 Protections...................................................................................................................................... 20 3.4 Brownout/Brownout recovery test ................................................................................................. 21 3.5 EMI Test ......................................................................................................................................... 22 3.5.1 Conducted EMI Test................................................................................................................... 22 3.5.2 Radiation EMI Test..................................................................................................................... 30 1 Figures Figure 1 Measured ripple& noise waveform@90Vac/60HZ, no load. ........................................................11 Figure 2 Measured ripple& noise waveform@90Vac/60HZ, full load. .................................................. 12 Figure 3 Measured ripple& noise waveform@264Vac/50HZ, no load ...................................................... 12 Figure 4 Measured ripple& noise waveform@264Vac/50HZ, full load .................................................... 13 Figure 5 Measured overshoot waveform@90Vac/60HZ, full load............................................................. 14 Figure 6 Measured overshoot waveform@264Vac/50HZ, full load........................................................... 15 Figure 7 Output voltage waveform of under Dynamic test@264Vac/50HZ,full load................................ 15 Figure 8 Output voltage waveform under Dynamic test@90Vac/60HZ with full load .............................. 16 Figure 9 Turn on delay time measured waveform@90Vac/60HZ,full load................................................ 17 Figure 10 Turn on delay time measured waveform@240Vac/50HZ,full load ........................................... 17 Figure 11 Hold on delay time measured waveform@100Vac/60HZ,full load ........................................... 18 Figure 12 Rise time measured waveform@100Vac/60HZ,full load........................................................... 18 Figure 13 Rise time measured waveform@240Vac/50HZ,full load........................................................... 19 Figure 14 Fall time measured waveform@100Vac/60HZ,full load ........................................................... 19 Figure 15 Fall time measured waveform@240Vac/50HZ,full load ........................................................... 20 Tables (c) On-Bright Electronics Confidential OB_DOC_AN_2262A1 OB2262 Application Note Table 1 Input characteristic at full load ...................................................................................................... 10 Table 2 Standby power at no load .............................................................................................................. 10 Table 3 Standby power at no load with output LED .................................................................................. 10 Table 4 Line Regulation & Load Regulation ............................................................................................. 10 Table 4 Over shoot/under shoot measurement results ................................................................................ 13 Table 5 Output voltage under dynamic test ................................................................................................ 15 Table 6 Turn-on delay /hold-up/Rise/Fall time measurement results ......................................................... 16 Table 7 OCP value vs. input voltage .......................................................................................................... 20 Table 8 Brownout/Brownout recovery test results ..................................................................................... 21 www..com 1 Adaptor Module Specification Model Num: OBPD15W-L120A Rev. A0 1.1. Input Characteristic AC input voltage rating AC input voltage range AC input frequency Max. In-rush current (At cold Start ) Input Current 100VAC to 240VAC 90VAC to 264VAC 47HZ to 63HZ 30 A for 100VAC/50HZ at full load 75 A for 240VAC/50HZ at full load 0.45A (rms) max. @ full load, 100VAC/60HZ 0.23A (rms) max. @ full load, 240VAC/50HZ Leakage Current 0.25mA Max. 1.2. Output Characteristic Output Voltage Output Tolerance Min. load current Max. load current Line Regulation Load Regulation Ripple & Noise +12.0V +/-0.6V 0A 1.25A 1% 5% 50 mV (c) On-Bright Electronics Confidential OB_DOC_AN_2262A1 OB2262 Application Note Note: Ripple & Noise is measured with 20MHZ bandwidth limited (peak to peak value) at the end of a 12-inch twisted wire terminated with a 10uF capacitor in parallel with a 0.1uF ceramic capacitor. 1.3. Performance Spec Total Output Power Standby Power Efficiency www..com 15W Typical < 0.3W @ 240Vac/50HZ, no load. 75 min. @ 90Vac/60HZ with full load 10m sec. min. @ 100Vac/60HZ with full load 1 sec. max. @ 100Vac/60HZ with full load 20K HZ~100K HZ Free-Running. Hold up Time Turn on Delay Time Switching frequency 1.4. Protection Features Short circuit Protection Over Voltage Protection Over Current Protection Output shut down (Auto recovery) Output shut down when output voltage exceeds 15V Output shut down (Auto restart) 1.5. Environmental Operating Temperature Operating Humidity Storage Temperature Storage Humidity 0 to + 40 20 % to 90 % R. H. -40 to 85 0 % to + 90 % R. H. 1.6. Dielectric withstand (Hi-pot) test Input to Output 3000Vac 1 min. 1.7. Insulation Input to Output DC 500V 10M ohm min. (c) On-Bright Electronics Confidential OB_DOC_AN_2262A1 |
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