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參數資料
| 型號： | MAX1677 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Compact, High-Efficiency, Dual-Output Step-Up and LCD Bias DC-DC Converter |
| 中文描述： | 緊湊的、高效率、雙輸出、升壓型和LCD偏置DC-DC轉換器 |
| 文件頁數： | 15/16頁 |
| 文件大?。?/td> | 201K |
| 代理商： | MAX1677 |
M
Compac t, High-Effic ienc y, Dual-Output
S tep-Up and LCD Bias DC-DC Converter
______________________________________________________________________________________
15
Layout Considerations
The MAX1677’s high-frequency operation makes PC
board layout important for minimizing ground bounce
and noise. Protect sensitive analog grounds by using a
star ground configuration. Minimize ground noise by
connecting PGND, the input bypass capacitor ground
terminal, and the output filter capacitor ground terminal
to a single point (star ground configuration). Also, mini-
mize lead lengths to reduce stray capacitance and
trace resistance. Where an external resistor-divider is
used to set output voltage, the trace from FB or LCDFB
to the feedback resistors should be extremely short to
minimize coupling from LX and LCDLX. To maximize
efficiency and minimize output ripple, use a ground
plane and connect the MAX1677 GND and PGND pins
directly to the ground plane. Consult the MAX1677
evaluation kit for a full PC board example.
Chip Information
TRANSISTOR COUNT: 1221
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX1677EEE | 功能描述:直流/直流開關轉換器 Compact Step-Up & LCD Bias DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1677EEE+ | 功能描述:直流/直流開關轉換器 Compact Step-Up & LCD Bias DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1677EEE+T | 功能描述:直流/直流開關轉換器 Compact Step-Up & LCD Bias DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1677EEE-T | 功能描述:直流/直流開關轉換器 Compact Step-Up & LCD Bias DC/DC RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1677EVKIT | 功能描述:電源管理IC開發(fā)工具 Evaluation Kit for the MAX1677 RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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