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升/降压(Buck-Boost)开关调节器
电源管理 开关稳压器 升/降压(Buck-Boost)开关调节器
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升/降压开关调节器也称为升/降压转换器，输出的调节电压可高于或低于输入电压。升/降压转换器在单片DC-DC转换器中集成升压和降压技术，能够支持较宽范围的输入电压，输入电压可高于或低于电路要求的电压。

降压转换器可理想用于便携式设备，此时电源通常为单节电池。电池电压的摆幅范围为高于电路要求电压的某个值(充满电时)到低于要求电压的某个值(电池放电时)。升/降压转换器在前者情况下将电压升高，在后者情况下将电压降低。

按应用查看开关调节器的选型信息。

按关键参数选择

推荐的升/降压调节器，5V输入 
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全部升/降压开关调节器 

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DC-DC转换器设计指南

 



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Tools

  • EE-Sim: Design and Simulate

    • MAXREFDES1263: True Wireless Stereo Cradle and Earbuds

    This solution demonstrates a small size, low power, high effective, high accuracy power manageme...
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    MAXREFDES1260: Li Battery Charger and Monitor System with 3A USB-C Input

    The purpose of MAXREFDES1260 is to solve the problem of high-voltage fast charging of 2S battery...
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    MAXREFDES9002: C-source Reference for Operating the DS28E18 from Cortex-M4 GPIO Pins

    Extend an I2C and SPI interface using the DS28E18 with included M4 compatible 1-Wire API and C-d...
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    MAXREFDES179#参考设计板

    MAXREFDES179#参考设计板

    The MAXREFDES179 reference design is a complete Universal Serial Bus (USB) type-C PD solution fe...
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    MAXREFDES1275: 1A,3-Channel LED Driver in Buck Configuration using MAX20050 and its dimming control using MAX32630FTHR

    The MAX20050 is a high-brightness LED driver for automotive exterior lighting applications.
    了解详情。

    MAXREFDES1046：宽输入范围、3.3V/3A输出同步整流、降压型DC-DC转换器，两层电路板设计降低成本

    The MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrat...
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    MAXREFDES1102：小尺寸、24V/250mA、无光耦、反激DC-DC转换器，92%效率

    The MAX17690 implements an innovative algorithm to accurately determine the output voltage by se...
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    MAXREFDES1105: Miniature, 5V/2A, Synchronous, No-Opto Flyback DC-DC Converter with 90.4% Efficiency Using MAX17690 and MAX17606

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...
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    MAXREFDES1045: Two-Layer Board, 5V/3A, Wide-Input, Synchronous, Step-Down DC-DC Converter Using the MAX17574

    The MAX17574, high-efficiency, high-voltage, synchronous step-down DC-DC converter with integrat...
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    MAXREFDES1037：72W Offline Flyback Converter

    The MAX17595 is a peak-current-mode controller for designing wide input-voltage flyback regulato...
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    MAXREFDES1004：-73V至-35V输入、5V/100mA输出、Boost转换器

    The MAX668/MAX669 constant-frequency, pulse-width modulating (PWM), current-mode DC-DC controlle...
    了解详情。

    MAXREFDES1088：小尺寸、12V/250mA、同步、无光耦、反激DC-DC转换器，91.9%效率

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...
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    MAXREFDES1106: Miniature, 12V/1A, Synchronous, No-Opto Flyback DC-DC Converter with 92% Efficiency Using MAX17690 and MAX17606

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...
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    MAXREFDES1101：Miniature, 12V/500mA, No-Opto Flyback DC-DC Converter with 90% Efficiency

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...
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    MAXREFDES1099: Miniature, 24V/500mA, No-Opto Flyback DC-DC Converter with 93% Efficiency Using the MAX17690

    Due to its simplicity and low cost, the flyback converter is the preferred choice for low-to-med...
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