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RTQ2133 是一款 1.2A 电流模式同步降压转换器，专为汽车应用优化设计。该器件支持 4V 至 36V 的输入电压范围，并可承受高达 42V 的 Load Dump 瞬态电压，有助于简化输入浪涌保护电路设计。输出电压可设置范围为 0.8V 至 VIN。其峰值电流模式控制架构搭配简单外部补偿设计，可使用小型电感，同时提供快速瞬态响应及稳定的环路控制性能。RTQ2133 集成完整保护功能，包括输入欠压锁定（UVLO）、输出欠压保护（UVP）、过电流保护（OCP）及过温保护（OTP）。逐周期限流（Cycle-by-Cycle Current Limiting）可在输出短路时提供保护，而软启动功能可降低启动期间的输入浪涌电流。RTQ2133 采用 WDFN-10SL 3mm × 3mm 裸露散热焊盘封装，支持建议结温范围 -40°C 至 150°C。
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