LMR664x0 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Step-Down Converter

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • Designed for industrial applications: – Junction temperature range –40°C to +150°C – NC pin between critical pins for better reliability – Best in-class pin FMEA – Input transient prot

文件：3.19061 Mbytes 页数：50 Pages

TI

德州仪器

LMR664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous, Automotive Step-Down Converter

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • AEC-Q100-qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Optimized for low EMI requirements: – Dual random spread spectrum reduces peak emissions –

文件：4.47179 Mbytes 页数：52 Pages

TI

德州仪器

LMR66430-EP 36V, 3A, Ultra-Small, Synchronous Step-Down Converter

1 Features • Wide input voltage range – 3.35V to 36V rising edge – 2.7V to 36V falling edge – 42V absolute maximum • Integrated 132mΩ and 75mΩ MOSFETs • Optimized for low EMI requirements: – Dual Random Spread Spectrum reduces peak emissions – Pin selectable FPWM mode for constant freque

文件：2.93805 Mbytes 页数：47 Pages

TI

德州仪器

具有 1.5uA IQ 和低 EMI 的 36V、3A 同步降压转换器

LMR664x0 是一款小型 36V、3A（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\nLMR664x0 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 功能安全型 \n \n可提供用于功能安全系统设计的文档\n \n\n \n专用于工业应用： \n \n结温范围：–40°C 至 +150°C\n \n关键引脚之间的 NC 引脚可提高可靠性\n \n出色的引脚 FMEA\n \n高达 42V 的输入瞬态保护\n \n宽输入电压范围（启动后）：2.7V（下降阈值）至 36V\n \n可调输出高达 VIN 的 95%，并提供 3.3V 和 5V 固定 VOUT 选项\n \n\n \n进行了优化，可满足低 EMI 要求： \n \n双随机展频可降低峰值发射\n \n增强型 HotRod™ QFN 封装可更大限度地减少开关节点振铃\n \n\;

TI

德州仪器

LMR66430-EP 36V, 3A, Ultra-Small, Synchronous Step-Down Converter

1 Features • Wide input voltage range – 3.35V to 36V rising edge – 2.7V to 36V falling edge – 42V absolute maximum • Integrated 132mΩ and 75mΩ MOSFETs • Optimized for low EMI requirements: – Dual Random Spread Spectrum reduces peak emissions – Pin selectable FPWM mode for constant freque

文件：2.93805 Mbytes 页数：47 Pages

TI

德州仪器

丝印：R3MB3；Package：VQFN-FCRLF；LMR664x0 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous Step-Down Converter

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • Designed for industrial applications: – Junction temperature range –40°C to +150°C – NC pin between critical pins for better reliability – Best in-class pin FMEA – Input transient prot

文件：3.19061 Mbytes 页数：50 Pages

TI

德州仪器

丝印：MB3NE；Package：VQFN-FCRLF；LMR66430-EP 36V, 3A, Ultra-Small, Synchronous Step-Down Converter

1 Features • Wide input voltage range – 3.35V to 36V rising edge – 2.7V to 36V falling edge – 42V absolute maximum • Integrated 132mΩ and 75mΩ MOSFETs • Optimized for low EMI requirements: – Dual Random Spread Spectrum reduces peak emissions – Pin selectable FPWM mode for constant freque

文件：2.93805 Mbytes 页数：47 Pages

TI

德州仪器

丝印：R3MC3Q；Package：VQFN-FCRLF；LMR664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous, Automotive Step-Down Converter

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • AEC-Q100-qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Optimized for low EMI requirements: – Dual random spread spectrum reduces peak emissions –

文件：4.47179 Mbytes 页数：52 Pages

TI

德州仪器

丝印：R3MC5Q；Package：VQFN-FCRLF；LMR664x0-Q1, 36-V, 1-A, 2-A, and 3-A, Ultra-Small, Synchronous, Automotive Step-Down Converter

1 Features • Functional Safety-Capable – Documentation available to aid functional safety system design • AEC-Q100-qualified for automotive applications: – Temperature grade 1: –40°C to +125°C, TA • Optimized for low EMI requirements: – Dual random spread spectrum reduces peak emissions –

文件：4.47179 Mbytes 页数：52 Pages

TI

德州仪器

LMR66430-EP 36V, 3A, Ultra-Small, Synchronous Step-Down Converter

1 Features • Wide input voltage range – 3.35V to 36V rising edge – 2.7V to 36V falling edge – 42V absolute maximum • Integrated 132mΩ and 75mΩ MOSFETs • Optimized for low EMI requirements: – Dual Random Spread Spectrum reduces peak emissions – Pin selectable FPWM mode for constant freque

文件：2.93805 Mbytes 页数：47 Pages

TI

德州仪器