Case Study : 2-1 Contribution to miniaturization/low ESR / all SMD ◆Panasonic proposal to LED-BL driver circuit Miniaturization Long life High resistance Energy saving Low ESR Low ESR High density mounting All SMD SMD Miniaturization Long life Conductive polymer hybrid aluminum capacitor ◆Proposed case : LED-BL driver Vin Iout / Vout L Cout 50V Line Capacitors Competitor: Hybrid capacitor Hybrid capacitor ZA series Φ10x10.2 mm, 80V, 18 μF x1 pc. Φ8ｘ10.2 mm, 80 V, 22 μF x1 pc. Item ESR Long life/Miniaturization © Panasonic Corporation EEHZA1K220P 2 Mounting area 100 % (106 mm ) 64 % (69 mm2) Height 100 % (10.2 mm) 100 % (10.2 mm) ESR 50 mΩ (100 KHz) 45 mΩ (100 kHz) Endurance 105 ˚C, 10000 h 105 ˚C, 10000 h Case Study : 2-2 Contribution to high performance for liquid crystal-BL ◆Panasonic proposal to liquid crystal-BL power supply Energy saving Low ESR Low ESR High reliability No sound-noise Hybrid Conductive polymer hybrid aluminum capacitor ◆Proposed case : liquid crystal-BL 12V Line Capacitors MLCC Hybrid capacitor ZA series 3216, 25V, 10 μF x1 pc. Φ6.3ｘ5.8 mm,25V, 56 μF x1 pc. Item EEHZA1E560P FET Driver 80 Control Improvement sound-noise and stability of operation © Panasonic Corporation pee… 70 Controller 音圧 S.P.L. (dB) Data S.P.L. – Freq. Characteristics 60 Input Volage: DC 12 V + 1.0 Vrms Print board – Mike distance: 50 mm 0 dB = 2 10-5 Pa, A Filter No sound-noise MLCC 50 40 Level noise 30 0.1 Hybrid 1.0 10.0 周波数 Frequency (kHz)