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MAX1681ESA 125mA、频率可选、开关电容电压变换器
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MAX1681ESA 型号
MAX1681ESA 类型 125mA、频率可选、开关电容电压变换器
MAX1681ESA 应用
MAXIM 品牌系列产品
MAX1681ESA 批号
MAX1681ESA 数量 1000
MAX1681ESA 封装 SOP-8
MAX1681ESA 包装 2000/reel
MAX1681ESA 价格
MAX1681ESA 备注 原装正品
MAX1681ESA 技术资料(点击型号PDF文档下载)
MAX1681ESA 相关型号
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概述
The MAX1680/MAX1681 inductorless switched-capacitor voltage converters either invert an input voltage of +2.0V to +5.5V or double it while supplying up to 125mA output current. They have a selectable-frequency option that allows the use of small capacitors: 4.7µF (MAX1680), 1µF (MAX1681). With their high output current capability, these charge-pump devices are suitable replacements for inductor-based regulators, which require more expensive external components and additional board space.
The devices' equivalent output resistance (typically 3.5Ω) allows them to deliver as much as 125mA with only a 440mV drop. A shutdown feature reduces quiescent current to less than 1µA. The MAX1680/MAX1681 are available in 8-pin SO packages. For devices that deliver up to 50mA in smaller µMAX® packages, refer to the MAX860/MAX861 data sheet.
关键特性
- 125kHz/250kHz (MAX1680)
- 500kHz/1MHz (MAX1681)
应用/使用
接口供电
本地负电源
MOSFET偏置
运算放大器电源
