LT3487 - Boost and Inverting Switching Regulator for CCD Bias

• 從鋰電池可產生15V @45mA、–8V @ 90mA輸出
• 輸出斷開
• 順序: 正通道會在負通道開始切換前先達到穩壓
• 內建肖特基二極體
• 2MHz 恆定切換頻率
• 每通道只需一個電阻以設定輸出電壓
• 電壓輸入範圍: 2.3V 至16V
• 輸出電壓達28V
• 針對短路之強固保護
• 電容可設定的軟啟動
• 個別的 VBAT 針腳，允許針對供電及控制電路的個別電源
• 可供貨10接腳(3mm x 3mm) DFN 封裝
• Generates 15V at 45mA, –8V at 90mA from a Li-Ion Cell
• Output Disconnect
• Sequencing: Positive Output Reaches Regulation before Negative Channel Begins Switching
• Internal Schottky Diodes
• 2MHz Constant Switching Frequency
• Requires Only One Resistor per Channel to Set Output Voltages
• VIN Range: 2.3V to 16V
• Output Voltage up to 28V
• Short-Circuit Robust
• Capacitor Programmable Soft-Start
• Separate VBAT Pin Allows Separate Sources for Power & Control Circuitry
• Available in 10-Lead (3mm x 3mm) DFN Package