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LMR51625

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具有低静态电流的 SIMPLE SWITCHER® 4.3V 至 60V、2.5A 同步降压转换器

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LMR51625

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产品详情

Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter (Integrated Switch) Iout (max) (A) 2.5 Vin (min) (V) 4.3 Vin (max) (V) 60 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) 30 Iq (typ) (µA) 26
Rating Catalog Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter (Integrated Switch) Iout (max) (A) 2.5 Vin (min) (V) 4.3 Vin (max) (V) 60 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) 30 Iq (typ) (µA) 26
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8
  • Functional Safety-Capable
  • Configured for rugged industrial applications:
    • 4.3V to 60V input voltage range
    • 2.5A or 3.5A continuous output current
    • Low operating quiescent current of 29µA
    • 70ns minimum switching on time
    • 400kHz amd 1.1MHz switching frequency
    • Frequency spread spectrum (PFM variant)
    • –40°C to 150°C junction temperature range
    • 96% maximum duty cycle
    • Monotonic start-up with prebiased output
    • Short-circuit protection with hiccup mode
    • Precision enable
    • ±1% 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
  • Create a custom design using the LMR516x5 with the WEBENCH Power Designer
  • Functional Safety-Capable
  • Configured for rugged industrial applications:
    • 4.3V to 60V input voltage range
    • 2.5A or 3.5A continuous output current
    • Low operating quiescent current of 29µA
    • 70ns minimum switching on time
    • 400kHz amd 1.1MHz switching frequency
    • Frequency spread spectrum (PFM variant)
    • –40°C to 150°C junction temperature range
    • 96% maximum duty cycle
    • Monotonic start-up with prebiased output
    • Short-circuit protection with hiccup mode
    • Precision enable
    • ±1% 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
  • Create a custom design using the LMR516x5 with the WEBENCH Power Designer

The LMR516x5 is a wide-VIN, easy-to-use, synchronous buck converter capable of driving up to 2.5A or 3.5A load current. With a wide input range of 4.3V to 60V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR516x5 operates at 400kHz or 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The device has a pulse frequency modulation (PFM version) to realize high efficiency at light load and a forced pulse width modulation (PFM 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 LMR516x5 is a wide-VIN, easy-to-use, synchronous buck converter capable of driving up to 2.5A or 3.5A load current. With a wide input range of 4.3V to 60V, the device is designed for a wide range of industrial applications for power conditioning from an unregulated source.

The LMR516x5 operates at 400kHz or 1.1MHz switching frequency to support use of relatively small inductors for an optimized design size. The device has a pulse frequency modulation (PFM version) to realize high efficiency at light load and a forced pulse width modulation (PFM 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.
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类型 标题 下载最新的英语版本 日期
* 数据表 LMR516x5 4.3V to 60V, 2.5A / 3.5A, Synchronous, Buck Converter With Low IQ 数据表 (Rev. B) PDF | HTML 2025年 1月 23日
功能安全信息 LMR51625 and LMR51635 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 2024年 10月 15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

LMR51635EVM — LMR51635 评估模块

德州仪器 (TI) LMR51635EVM 评估模块 (EVM) 可帮助设计人员评估 LMR51635 宽输入电压同步降压稳压器的运行情况和性能。LMR51635 是一款简单易用的宽输入电压同步降压转换器。该器件具有 4.3V 至 60V 的宽输入工作电压范围，适用于从非稳压源进行电源调节的各种工业应用。LMR51635 以 400kHz 的开关频率运行，支持使用相对较小的电感器，以实现经优化的设计尺寸。LMR51635 支持高达 3.5A 的连续输出电流。

用户指南: PDF | HTML
英语版 (Rev.A): PDF | HTML
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仿真模型

LMR51625X Pspice Transient Model

SLUM941.ZIP (973 KB) - PSpice Model
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封装 引脚 CAD 符号、封装和 3D 模型
SOT-23-THN (DDC) 6 Ultra Librarian
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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

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