主页 电源管理 AC/DC 和 DC/DC 转换器（集成 FET）
主页
电源管理
AC/DC 和 DC/DC 转换器（集成 FET）
全新

LMR51410

正在供货

具有 26.5uA IQ 的 SIMPLE SWITCHER® 4V 至 42V、1A 同步降压转换器

立即订购
数据表

LMR51410

正在供货
数据表 立即订购

产品详情

Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Type Converter (Integrated Switch) Iout (max) (A) 1 Vin (min) (V) 4.5 Vin (max) (V) 42 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1100 Features Enable, Forced PWM, Over Current Protection, Pre-Bias Start-Up, Synchronous Rectification Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 28 Iq (typ) (µA) 25
Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Type Converter (Integrated Switch) Iout (max) (A) 1 Vin (min) (V) 4.5 Vin (max) (V) 42 Switching frequency (min) (kHz) 400 Switching frequency (max) (kHz) 1100 Features Enable, Forced PWM, Over Current Protection, Pre-Bias Start-Up, Synchronous Rectification Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 28 Iq (typ) (µA) 25
SOT-23 (DBV) 6 8.12 mm² 2.9 x 2.8
  • Functional Safety-Capable
  • Configured for rugged industrial applications
    • 4V to 42V input voltage range
    • Input transient protection up to 50V
    • 0.6A / 1A continuous output current
    • 80ns minimum switching on time
    • Fixed 400kHz and 1.1MHz switching frequency
    • –40°C to 150°C junction temperature range
    • 98% maximum duty cycle
    • Monotonic start-up with prebiased output
    • Short-circuit protection with hiccup mode
    • Precision enable
    • ±1.5% tolerance voltage reference
  • Small design size and ease of use
    • Integrated synchronous rectification
    • Internal compensation for ease of use
    • SOT-23 package
  • Various options in pin-to-pin compatible package
    • PFM and forced PWM (FPWM) options
  • Pin-to-pin compatible with the LMR51610, LMR16006, LV2862, LMR50410, TPS560430 and LMR54410
  • Create a custom design using the LMR514xx with the WEBENCH Power Designer
  • Functional Safety-Capable
  • Configured for rugged industrial applications
    • 4V to 42V input voltage range
    • Input transient protection up to 50V
    • 0.6A / 1A continuous output current
    • 80ns minimum switching on time
    • Fixed 400kHz and 1.1MHz switching frequency
    • –40°C to 150°C junction temperature range
    • 98% maximum duty cycle
    • Monotonic start-up with prebiased output
    • Short-circuit protection with hiccup mode
    • Precision enable
    • ±1.5% tolerance voltage reference
  • Small design size and ease of use
    • Integrated synchronous rectification
    • Internal compensation for ease of use
    • SOT-23 package
  • Various options in pin-to-pin compatible package
    • PFM and forced PWM (FPWM) options
  • Pin-to-pin compatible with the LMR51610, LMR16006, LV2862, LMR50410, TPS560430 and LMR54410
  • Create a custom design using the LMR514xx with the WEBENCH Power Designer

The LMR514xx is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 0.6A and 1A load current. With a wide input range of 4V to 42V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR514xx operates at 400kHz and 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR514xx has a PFM version to realize high efficiency at light load and a FPWM version to achieve constant frequency and small output voltage ripple over the full load range. Soft-start and compensation circuits are implemented internally, which allow the device to be used with minimal external components.

The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.

The LMR514xx is a wide-VIN, easy-to-use synchronous buck converter capable of driving up to 0.6A and 1A load current. With a wide input range of 4V to 42V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR514xx operates at 400kHz and 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The LMR514xx has a PFM version to realize high efficiency at light load and a FPWM version to achieve constant frequency and small output voltage ripple over the full load range. Soft-start and compensation circuits are implemented internally, which allow the device to be used with minimal external components.

The device has built-in protection features, such as cycle-by-cycle current limit, hiccup mode short-circuit protection, and thermal shutdown in case of excessive power dissipation.
filter 查找其他 AC/DC 和 DC/DC 转换器（集成 FET）
下载 观看带字幕的视频 视频

技术文档

star =有关此产品的 TI 精选热门文档
未找到结果。请清除搜索并重试。
查看全部 2
类型 标题 下载最新的英语版本 日期
* 数据表 LMR514xx SIMPLE SWITCHER Power Converter, 4V to 42V, 0.6A / 1A Buck Converter in a SOT-23 Package 数据表 PDF | HTML 2024年 5月 6日
功能安全信息 LMR514xx Functional Safety FIT Rate, FMD and Pin FMA 2024年 4月 29日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

评估板

LMR51610EVM — LMR51610 评估模块

LMR51610 评估模块 (EVM) 是一个组装完备且经过测试的电路，用于评估 LMR51610 降压转换器。此 EVM 具有 3.3V 输出、高达 65V 的宽输入电压范围、1A 负载电流以及内部固定频率，能够接受交流信号注入以进行环路测量。

用户指南: PDF | HTML
英语版: PDF | HTML
TI.com 上无现货
仿真模型

LMR51410YF PSpice Transient Model

SLUM894.ZIP (606 KB) - PSpice Model
下载
封装 引脚 下载
SOT-23 (DBV) 6 查看选项
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

视频