5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

General Description The MAX1649/MAX1651 BiCMOS, step-down, DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2.5A. A unique, current limited pulse-frequency-modulated (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) c

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5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

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provides a regulated 5V output voltage from a 5.5V to 16.5V source Evaluation Kit

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丝印：MAX16491；Package：19WLCSP；Integrated, Step-Down Switching Regulator With Selectable Applications Configurations

General Description The MAX16491 is a fully integrated, highly efficient switching regulator for applications operating from 4.5V to 16V input supplies that require up to 9A maximum load. This single-chip regulator provides compact high-efficiency power delivery for precision outputs that dem

文件：3.51774 Mbytes 页数：28 Pages

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丝印：MAX16491；Package：19WLCSP；Integrated, Step-Down Switching Regulator With Selectable Applications Configurations

General Description The MAX16491 is a fully integrated, highly efficient switching regulator for applications operating from 4.5V to 16V input supplies that require up to 9A maximum load. This single-chip regulator provides compact high-efficiency power delivery for precision outputs that dem

文件：3.51774 Mbytes 页数：28 Pages

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5V/3.3V或可调、高效率、低压差、降压型DC-DC控制器

MAX1649/MAX1651均为BiCMOS、降压型DC-DC开关控制器，在1mA至超过2.5A的负载范围内能够实现高效率。这些器件采用专门设计的限流脉冲频率调制(PFM)控制方案，具有脉冲宽度调制(PWM)转换器的优势（重负载时效率高），同时电源电流仅100µA（PWM转换器的电源电流为2mA至10mA）。高开关占空比(96.5%)和低电流检测阈值(110mV)可提供低至300mV的压差性能。\n\n 高开关频率（高达300kHz）支持这些器件使用微型外部元件。\n\n MAX1649/MAX1651在500mA时压差小于0.3V，支持高达16V的输入电压。输出 • 效率超过90%（10mA至1.5A负载）\n\n• 输出功率高于12.5W\n\n• 500mA时压差低于0.3V\n\n• 静态电源电流：100µA（最大值）\n\n• 关断电源电流：5µA（最大值）\n\n• 输入电压：16V（最大值）\n\n• 5V(MAX1649)、3.3V(MAX1651)或可调输出电压\n\n• 限流控制方案\n\n• 开关频率高达300kHz\n\n• 占空比高达96.5%;

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亚德诺

Integrated, Step-Down Switching Regulator With Selectable Applications Configurations

General Description The MAX16491 is a fully integrated, highly efficient switching regulator for applications operating from 4.5V to 16V input supplies that require up to 9A maximum load. This single-chip regulator provides compact high-efficiency power delivery for precision outputs that dem

文件：3.51774 Mbytes 页数：28 Pages

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亚德诺

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

General Description The MAX1649/MAX1651 BiCMOS, step-down, DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2.5A. A unique, current limited pulse-frequency-modulated (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) c

文件：167.2 Kbytes 页数：12 Pages

Maxim

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5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

General Description The MAX1649/MAX1651 BiCMOS, step-down, DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2.5A. A unique, current limited pulse-frequency-modulated (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) c

文件：167.2 Kbytes 页数：12 Pages

Maxim

美信

5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

General Description The MAX1649/MAX1651 BiCMOS, step-down, DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2.5A. A unique, current limited pulse-frequency-modulated (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) c

文件：167.2 Kbytes 页数：12 Pages

Maxim

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