LMQ66410

LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410

LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter With Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410

具有 1.5µA IQ 的 36V、1A 低 EMI 同步降压转换器; • 功能安全型 \n• 可提供用于功能安全系统设计的文档 \n \n• 专用于工业应用： \n• 结温范围：–40°C 至 +150°C\n• 关键引脚之间的 NC 引脚可提高可靠性\n• 出色的引脚 FMEA\n• 高达 42V 的输入瞬态保护\n• 宽输入电压范围（启动后）：2.7V（下降阈值）至 36V\n• 可调输出高达 V IN 的 95%，并提供 3.3V 和 5V 固定 V OUT 选项\n \n• 进行了优化，可满足低 EMI 要求： \n• 集成旁路和启动电容器可降低 EMI\n• 双随机展频可降低峰值发射\n• 增强型 HotRod™ QFN 封装可更大限度地减少开关节点振铃\n• 可调 F SW：200kHz 至 2.2MHz（采用 RT 引脚）\n \n• 在 1 mA 时效率高于 85%\n• 微型解决方案尺寸和低组件成本： \n• 集成输入旁路电容器和自举电容器，可降低 EMI\n• 具有可湿性侧面的 2.6mm x 2.6mm 增强型 HotRod™ QFN 封装\n• 内部控制环路补偿;

LMQ664x0 是具有集成旁路和自举电容器的业界超小型 36V、3A（可提供 2A 和 1A 型号）同步直流/直流降压转换器，采用增强型 HotRod™ QFN 封装。该易于使用的转换器支持 2.7V 至 36V 的宽输入电压范围（启动后或运行后），并支持高达 42V 的瞬态电压。\n\n LMQ664x0 专为满足常开型 工业应用的低待机功耗要求而设计。自动模式可在轻负载运行时进行频率折返，实现 1.5µA 的典型空载电流消耗（输入电压为 13.5V ）和高轻负载效率。PWM 和 PFM 模式之间的无缝转换以及超低的 MOSFET 导通电阻可确保在整个负载范围内实现出色的效率。控制架构（峰值电流模式）和功能集经过优化，可实现具有超小输出电容的超小解决方案尺寸。该器件通过使用双随机展频 (DRSS)、低 EMI 增强型 HotRod™ QFN 封装和经优化的引脚排列，可更大限度地减小输入滤波器尺寸。 RT 引脚可用于设置频率，以避开噪声敏感频带。关键高电压引脚之间有 NC 引脚，可减少潜在故障（出色的引脚 FMEA）。 LMQ664x0 的丰富功能旨在简化各种 工业终端设备的实施。

LMQ66410

LMQ664x0, 36-V, 1-A, 2-A, and 3-A Ultra-Small Synchronous Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors

LMQ66410MA3RXBRQ1

LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter With Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410MA5RXBRQ1

丝印：1MA5Q；Package：VQFN-FCRLF；LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter With Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410MC3RXBRQ1

丝印：1MC3Q；Package：VQFN-FCRLF；LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410MC3RXBRQ1

丝印：1MC3Q；Package：VQFN-FCRLF；LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter With Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410MC5RXBRQ1

丝印：1MC5Q；Package：VQFN-FCRLF；LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter with Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated

LMQ66410MC5RXBRQ1

丝印：1MC5Q；Package：VQFN-FCRLF；LMQ664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Automotive Step-Down Converter With Integrated VIN Bypass and CBOOT Capacitors

1Features •FunctionalSafety-Capable –Documentationavailabletoaidfunctionalsafety systemdesign •AEC-Q100-qualifiedforautomotiveapplications: –Temperaturegrade1:–40°Cto+125°C,TA •OptimizedforlowEMIrequirements: –FacilitatesCISPR25class5compliance –Integrated