Switched-Capacitor Voltage Doublers

General Description The ultra-small MAX1682/MAX1683 monolithic, CMOS charge-pump voltage doublers accept input voltages ranging from +2.0V to +5.5V. Their high voltage-conversion efficiency (over 98) and low operating current (110µA for MAX1682) make these devices ideal for both battery-powered a

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Switched-Capacitor Voltage Doublers

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Switched-Capacitor Voltage Doublers

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开关电容倍压器

超小型MAX1682/MAX1683单片CMOS电荷泵倍压器支持+2.0V至+5.5V的输入电压。这些器件具有高电压转换效率（超过98%）和低工作电流（MAX1682为110µA），因此非常适合电池供电和电路板级倍压器应用。\n\n 片内集成了振荡器控制电路和四个功率MOSFET开关。MAX1682工作频率为12kHz，MAX1683工作频率为35kHz。典型应用包括生成6V电源来为手持PDA中的LCD显示器供电。两款器件均采用5引脚SOT23封装，可提供30mA电流，典型压降为600mV。\n\n   • 5引脚SOT23封装\n\n• 输入电压范围：+2.0V至+5.5V\n\n• 电压转换效率：98%\n\n• 静态电流：110µA (MAX1682)\n\n• 仅需要2个电容\n\n• 高达45mA输出电流;

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2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming

General Description The MAX16819/MAX16820, step-down constant-current high-brightness LED (HB LED) drivers provide a cost effective solution for automotive interior/exterior lighting, architectural and ambient lighting, LED bulbs such as MR16 and other LED illumination applications. The MAX1

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2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming

General Description The MAX16819/MAX16820, step-down constant-current high-brightness LED (HB LED) drivers provide a cost effective solution for automotive interior/exterior lighting, architectural and ambient lighting, LED bulbs such as MR16 and other LED illumination applications. The MAX1

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2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming

General Description The MAX16819/MAX16820, step-down constant-current high-brightness LED (HB LED) drivers provide a cost effective solution for automotive interior/exterior lighting, architectural and ambient lighting, LED bulbs such as MR16 and other LED illumination applications. The MAX1

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High-Power Synchronous HBLED Drivers with Rapid Current Pulsing

General Description The MAX16821A/MAX16821B/MAX16821C pulse width-modulation (PWM) LED driver controllers provide high output-current capability in a compact package with a minimum number of external components. The MAX16821A/MAX16821B/MAX16821C are suitable for use in synchronous and nonsynchr

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High-Power Synchronous HBLED Drivers with Rapid Current Pulsing

General Description The MAX16821A/MAX16821B/MAX16821C pulse width-modulation (PWM) LED driver controllers provide high output-current capability in a compact package with a minimum number of external components. The MAX16821A/MAX16821B/MAX16821C are suitable for use in synchronous and nonsynchr

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High-Power Synchronous HBLED Drivers with Rapid Current Pulsing

General Description The MAX16821A/MAX16821B/MAX16821C pulse width-modulation (PWM) LED driver controllers provide high output-current capability in a compact package with a minimum number of external components. The MAX16821A/MAX16821B/MAX16821C are suitable for use in synchronous and nonsynchr

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