參數(shù)資料
型號： MC34280FTBR2
廠商： ON SEMICONDUCTOR
元件分類： 電源管理
英文描述： Power Supply & Management IC for Handheld Electronic Products
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP32
封裝： LQFP-32
文件頁數(shù)： 9/20頁
文件大?。?/td> 380K
代理商： MC34280FTBR2
MC34280
http://onsemi.com
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 from1 V to 3.3 V (1 V/div)
2: Voltage of PORB (2 V/div)
3: Voltage of ENABLE (2 V/div)
1: VAUX from1.8 V to 20 V (5 V/div)
2: VAUXEN (2 V/div)
相關(guān)PDF資料
PDF描述
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