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MC34280FTBR2 データシート(PDF) 9 Page - ON Semiconductor

部品番号 MC34280FTBR2
部品情報  Power Supply & Management IC for Handheld Electronic Products
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メーカー  ONSEMI [ON Semiconductor]
ホームページ  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC34280FTBR2 データシート(HTML) 9 Page - ON Semiconductor

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MC34280
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9
10 uS / div
10 uS / div
20 uS / div
20 uS / div
Figure 14. VMAIN Output Ripple (Medium Load)
Figure 15. VMAIN Output Ripple (Heavy Load)
Figure 16. VAUX Output Ripple (Medium Load)
Figure 17. VAUX Output Ripple (Heavy Load)
1: VMAIN = 3.3 V (50 mV/div, AC COUPLED)
2: Voltage at VMAINSW (1 V/div)
1: VMAIN = 3.3 V (50 mV/div, AC COUPLED)
2: Voltage at VMAINSW (1 V/div)
1: VAUX = 20 V (50 mV/div, AC COUPLED)
2: Voltage at VAUXSW (10 V/div)
1: VAUX = 20 V (50 mV/div, AC COUPLED)
2: Voltage at VAUXSW (10 V/div)
5 mS / div
Figure 18. VMAIN Startup and Power–On Reset
50 mS / div
Figure 19. VAUX Startup
1: VMAIN from 1 V to 3.3 V (1 V/div)
2: Voltage of PORB (2 V/div)
3: Voltage of ENABLE (2 V/div)
1: VAUX from 1.8 V to 20 V (5 V/div)
2: VAUXEN (2 V/div)


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