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| 型号： | MAX1677EEE-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 15/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC 0.35A DL 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 2 |
| 输出电压： | 3.3V 或可调主电源，-28 V ~ 28 V 或可调副电源 |
| 输入电压： | 0.7 V ~ 5.5 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 350mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-QSOP |
Compact, High-Efficiency, Dual-Output
Step-Up and LCD Bias DC-DC Converter
reduce the output filter to 2.2μF. Ceramic capacitors will
exhibit lower ripple than equivalent value (or even higher
value) tantalums due to lower ESR.
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
______________________________________________________________________________________
15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1677EVKIT | 功能描述:电源管理IC开发工具 Evaluation Kit for the MAX1677 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX1678ESA | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1678EUA | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1678EUA+ | 功能描述:直流/直流开关转换器 1-2 Cell Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1678EUA+T | 功能描述:直流/直流开关转换器 1-2 Cell Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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