TPS54538 3.8V to 28V, 5A, Synchronous Buck Converter With User Selectable Mode

1 Features • Configured for a wide range of applications – 3.8V to 28V input voltage range – 0.6V to 22V output voltage range – Up to 5A continuous output current – 0.6V ±1% reference voltage (–40°C to 150°C) – 70ns and 114ns minimum switching on and offtime – 8us maximum switching on-t

TPS54x38 3.8V to 28V, 5A, 4A, 3A, Synchronous Buck Converter With User Selectable Mode

1 Features • Configured for a wide range of applications – 3.8V to 28V input voltage range – 0.6V to 22V output voltage range – Up to 5A (TPS54538), 4A (TPS54438), 3A (TPS54338) continuous output current – 0.6V ±1% reference voltage (–40°C to 150°C) – 70ns and 114ns minimum switching on

3.8V 至 28V、5A、200kHz 至 2.2MHz、同步降压转换器

TPS54538 是一款高效率、高电压输入、易于使用的同步降压转换器，具有高设计灵活性。TPS54538 具有 3.8V 至 28V 的宽工作输入电压范围，设计用于由 5V、12V、19V 和 24V 总线电源轨供电的系统。该器件支持高达 5A/4A/3A 的持续输出电流和 98% 的最大占空比。\n\nTPS54538 采用固定频率峰值电流控制模式，并具有内部补偿功能，可实现快速瞬态响应以及出色的线性调整率和负载调整率。该器件具有经过优化的内部环路补偿功能，因此在宽输出电压范围和开关频率范围内无需外部补偿。集成自举电容器有助于实现单层 PCB 并减少外部元件数量。\n\nTPS545 配置适用于各种应用 \n \n输入电压范围为 3.8V 至 28V\n \n0.6V 至 22V 输出电压范围\n \n持续输出电流高达 5A\n \n0.6V ±1% 基准电压（–40°C 至 150°C）\n \n70ns 和 114ns 最短开关导通和关断时间\n \n8us 最大开关导通时间\n \n98% 最大占空比\n \n\n \n高效率 \n \n集成 47mΩ 和 21mΩ MOSFET\n \n28uA 的低静态电流（典型值）\n \n\n \n易于使用且设计小巧 \n \n峰值电流模式，具有内部补偿\n \n200kHz 至 2.2MHz 可选频率\n \;

丝印代码：538；TPS54538 3.8V to 28V, 5A, Synchronous Buck Converter With User Selectable Mode

1 Features • Configured for a wide range of applications – 3.8V to 28V input voltage range – 0.6V to 22V output voltage range – Up to 5A continuous output current – 0.6V ±1% reference voltage (–40°C to 150°C) – 70ns and 114ns minimum switching on and offtime – 8us maximum switching on-t

丝印代码：538；TPS54x38 3.8V to 28V, 5A, 4A, 3A, Synchronous Buck Converter With User Selectable Mode

1 Features • Configured for a wide range of applications – 3.8V to 28V input voltage range – 0.6V to 22V output voltage range – Up to 5A (TPS54538), 4A (TPS54438), 3A (TPS54338) continuous output current – 0.6V ±1% reference voltage (–40°C to 150°C) – 70ns and 114ns minimum switching on