Small, Dual, High-Efficiency Buck Controller for Notebooks

General Description The MAX1761 dual pulse-width-modulation (PWM), step-down controller provides high efficiency, excellent transient response, and high DC output accuracy in an extremely compact circuit topology. These features are essential for stepping down high-voltage batteries to generate l

文件：473.69 Kbytes 页数：23 Pages

Maxim

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小型、双路、高效率buck控制器，用于笔记本电脑

MAX1761是一款双路脉宽调制(PWM)降压控制器，通过非常紧凑的电路拓扑结构，实现高效率、出色的瞬态响应和高精度直流输出。在笔记本电脑和智能手机等PC板面积非常关键的应用中，这些功能至关重要，有助于对高压电池进行降压，以实现低压CPU内核、I/O和芯片组RAM电源。\n\n Maxim专有的Quick-PWM™快速响应、恒定导通时间PWM控制方案可轻松处理宽输入/输出电压比，并对负载瞬变提供“即时导通”响应，同时保持相对恒定的开关频率。\n\n MAX1761无需传统电流模式PWM中的电流检测电阻，能够以更低的成本实现高效率。此外还能够驱动大型同步整流器MOSFET，有 • PWM信号按需自由运行\n\n• 可选择轻负载跳脉冲工作模式\n\n• 强制PWM模式下总直流误差为±1%\n\n• 输入范围：5V至20V\n\n• 灵活的输出电压\n• OUT1: Dual Mode™ 2.5V固定输出或1V至5.5V可调输出\n\n• OUT2：双模式1.8V固定输出或1V至5.5V可调输出\n\n\n\n\n• 输出欠压保护\n\n• 互补同步降压\n\n• 无电流检测电阻\n\n• 4.65V/25mA线性稳压器输出\n\n• V+关断电源电流：4µA\n\n• VL关断电源电流：5µA\n\n• 静态电源电流：950µA\n\n• 微型16引脚QSOP;

ADI

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4.5V to 60V, 3A, Ideal Diode/Power Source Selector with Current Limit, UV, OV Protection

Product Highlights • Ideal Diode Operation • Fast Reverse Current-Blocking Protection(140ns) • Seamless Power Source Switchover • Robust Protection Reduces System Downtime • Wide Input Supply Range: +4.5V to +60V • Hot Plug-in Tolerant without transient voltage suppressor (TVS) up to 35V In

文件：2.24441 Mbytes 页数：38 Pages

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4.5V to 60V, 3A, Ideal Diode/Power Source Selector with Current Limit, UV, OV Protection

Product Highlights • Ideal Diode Operation • Fast Reverse Current-Blocking Protection(140ns) • Seamless Power Source Switchover • Robust Protection Reduces System Downtime • Wide Input Supply Range: +4.5V to +60V • Hot Plug-in Tolerant without transient voltage suppressor (TVS) up to 35V In

文件：2.24441 Mbytes 页数：38 Pages

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4.5V to 60V, 3A, Ideal Diode/Power Source Selector with Current Limit, UV, OV Protection

Product Highlights • Ideal Diode Operation • Fast Reverse Current-Blocking Protection(140ns) • Seamless Power Source Switchover • Robust Protection Reduces System Downtime • Wide Input Supply Range: +4.5V to +60V • Hot Plug-in Tolerant without transient voltage suppressor (TVS) up to 35V In

文件：2.24441 Mbytes 页数：38 Pages

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3V to 80V, 7A, Current-Limiter with OV/Surge, UV, Reverse Polarity, Loss of Ground Protection and PMBus Interface

Product Highlights • Robust Protection Reduces System Downtime • Wide Input Supply Range: +3V to +80V (without Reverse Current Protection) • Wide Input Supply Range: +3V to +75V (with Reverse Current Protection) • ±3% Accurate Programmable Current Limit between 3A to 7A across Full Temp

文件：1.42103 Mbytes 页数：66 Pages

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3V to 80V, 7A, Current-Limiter with OV/Surge, UV, Reverse Polarity, Loss of Ground Protection and PMBus Interface

Product Highlights • Robust Protection Reduces System Downtime • Wide Input Supply Range: +3V to +80V (without Reverse Current Protection) • Wide Input Supply Range: +3V to +75V (with Reverse Current Protection) • ±3% Accurate Programmable Current Limit between 3A to 7A across Full Temp

文件：1.42103 Mbytes 页数：66 Pages

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3V to 80V, 7A, Current-Limiter with OV/Surge, UV, Reverse Polarity, Loss of Ground Protection and PMBus Interface

Product Highlights • Robust Protection Reduces System Downtime • Wide Input Supply Range: +3V to +80V (without Reverse Current Protection) • Wide Input Supply Range: +3V to +75V (with Reverse Current Protection) • ±3% Accurate Programmable Current Limit between 3A to 7A across Full Temp

文件：1.42103 Mbytes 页数：66 Pages

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3V to 80V, 7A, Current-Limiter with OV/Surge, UV, Reverse Polarity, Loss of Ground Protection and PMBus Interface

Product Highlights • Robust Protection Reduces System Downtime • Wide Input Supply Range: +3V to +80V (without Reverse Current Protection) • Wide Input Supply Range: +3V to +75V (with Reverse Current Protection) • ±3% Accurate Programmable Current Limit between 3A to 7A across Full Temp

文件：1.42103 Mbytes 页数：66 Pages

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3V to 80V, 7A, Current-Limiter with OV/Surge, UV, Reverse Polarity, Loss of Ground Protection and PMBus Interface

Product Highlights • Robust Protection Reduces System Downtime • Wide Input Supply Range: +3V to +80V (without Reverse Current Protection) • Wide Input Supply Range: +3V to +75V (with Reverse Current Protection) • ±3% Accurate Programmable Current Limit between 3A to 7A across Full Temp

文件：1.42103 Mbytes 页数：66 Pages

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