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1、2010-3-4 AP3103 12V/1A Demo Board Manual BCD Semi 2010-02-01 2010-3-41 AP3103 Features ?Ultra Low Start-up/Operating Current: 5A/2mA ?Frequency Dithering for Low EMI ?Non-audible-noise for best standby performance ?Totem Pole Output Including Soft Driving 2010-3-48 Photo View of the Demo Board Top v
2、iewBottom view Dimension:66mm*45mm 2010-3-49 ? Efficiency ? Power Saving ?Over Current Protection ? Ripple & Noise ? Dynamic ? Overshoot ? Start-up Time ? Hold-on Time ? EMI ?Audio Noise Test Results 2010-3-410 82.3 82.1 79.6 77.1 80.9 81.2 81.6 78.7 EFF (%) 1A14.64 12.061 0.75A11.02 12.071 0.5A7.58
3、5 12.083 80.27 0.25A3.92 12.093 230V 1A14.89 12.062 0.75A11.14 12.073 0.5A7.4 12.081 80.59 0.25A3.84 12.093 115V Average EFF(%)Io (A)Vo (V)Pin (W)Vin (AC) Efficiency Note: meets EPS V2.0. The average of EPS V2.0 is 77.8%. 2010-3-411 0.250.500.751.00 75 76 77 78 79 80 81 82 83 Vin=230Vac Efficiency (
4、%) Output Current (A) Vin=115Vac Efficiency VS Output Current(115V) 2010-3-412 Power Saving (Io=0A) 80100120140160180200220240260 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16 Input Power (W) Line Voltage (V) 2010-3-413 Over Current Protection 80100120140160180200220240260 0.0 0.5 1.0
5、1.5 2.0 2.5 3.0 Output Current (A) Line Voltage (V) 2010-3-414 Output Ripple & Noise (Low frequency) V=68mV Vin=90Vac Vo: 20mV/div t: 4ms/div V=41mV Vin=264Vac Vo: 10mV/div t: 4ms/div 2010-3-415 Output Ripple & Noise (High frequency) Vin=264Vac V=36mV Vo: 10mV/div t: 10us/div V=43mV Vin=90Vac Vo: 10
6、mV/div t: 10us/div 2010-3-416 Output Load Dynamic V=320mV Vin=90VacVin=264Vac V=272mV Test condition:0-4A, Dwell time:50ms, Slew Rate: 0.5A/us. Vo: 100mV/div t: 20ms/divVo: 100mV/div t: 20ms/div 2010-3-417 Start-up time (Full load) Vin=90VacVin=264Vac t=876mst=294ms Vin: 100V/div Vo: 2V/div t: 400ms/divVin: 200V/div Vo: 2V/div t: 100ms/div 2010-3-418 Hold-on time (Full load) Vin=90VacVin=115Vac t=6.5mst=12ms Vin: 100V/div Vo: 2V/div t: 10ms/divVin: 200V/div Vo: 2V/div t: 40ms/div