2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

General Description The MAX5090A/B/C easy-to-use, high-efficiency, high voltage step-down DC-DC converters operate from an input voltage up to 76V, and consume only 310µA quiescent current at no load. This pulse-width-modulated (PWM) converter operates at a fixed 127kHz switching frequency at hea

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Maxim

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2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

General Description The MAX5090A/B/C easy-to-use, high-efficiency, high voltage step-down DC-DC converters operate from an input voltage up to 76V, and consume only 310µA quiescent current at no load. This pulse-width-modulated (PWM) converter operates at a fixed 127kHz switching frequency at hea

文件：658.04 Kbytes 页数：17 Pages

Maxim

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2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

General Description The MAX5090A/B/C easy-to-use, high-efficiency, high voltage step-down DC-DC converters operate from an input voltage up to 76V, and consume only 310µA quiescent current at no load. This pulse-width-modulated (PWM) converter operates at a fixed 127kHz switching frequency at hea

文件：658.04 Kbytes 页数：17 Pages

Maxim

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2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

文件：2.15739 Mbytes 页数：17 Pages

Maxim

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2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

文件：2.15739 Mbytes 页数：17 Pages

Maxim

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2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

文件：664.12 Kbytes 页数：17 Pages

Maxim

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2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

文件：2.15739 Mbytes 页数：17 Pages

Maxim

美信

2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

文件：2.15739 Mbytes 页数：17 Pages

Maxim

美信

2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters

文件：2.15739 Mbytes 页数：17 Pages

Maxim

美信

2A、76V、高效MAXPower、降压型DC-DC转换器

MAX5090A/B/C是简单易用的高效率、高压、降压型DC-DC转换器，能够工作在高达76V的输入电压，空载时仅消耗310µA的静态电流。脉宽调制(PWM)转换器重载时工作在固定的127kHz开关频率，轻载时可自动切换到跳脉冲模式，以实现低静态流和高效率。MAX5090包括内部频率补偿，简化了电路设计。器件还可以同步到外部系统时钟，用于噪声敏感系统。MAX5090内部采用低导通电阻、高电压DMOS晶体管，可获得高效率、降低系统成本。此器件包括欠压锁定、逐周期限流、“打嗝”式输出短路保护及热关断功能。\n\n MAX5090可提供高达2A的输出电流。提供外部关断模式，具有19µA ( • 6.5V至76V的宽输入电压范围\n• 提供固定(3.3V、5V)或可调输出电压(1.265V至11V)\n• 2A输出电流\n• 效率高达92%\n• 内置0.26Ω高边DMOS FET\n• 空载时，静态电流为310µA\n• 19µA的关断电流\n• 内部频率补偿\n• 固定127kHz开关频率\n• 外部频率同步\n• 热关断及短路电流限制\n• -40°C至+125°C汽车级温度范围\n• 16引脚(5mm x 5mm)薄型QFN封装\n• +70°C时可耗散2.67W功率;

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