主页 电源管理 直流/直流开关稳压器 降压稳压器 降压转换器(集成开关)

LM5010A-Q1

正在供货

汽车 0 级和 1 级、6V 至 75V 宽输入电压、1A 恒定导通时间非同步降压稳压器

可提供此产品的更新版本

open-in-new 比较替代产品
功能与比较器件相同但引脚有所不同
全新 LMR38010-Q1 正在供货 SIMPLE SWITCHER® 汽车类 4.2V 至 80V、1A 同步降压转换器 Smaller footprint, lower EMI, lower IQ, higher efficiency and spread spectrum.

产品详情

Vin (min) (V) 6 Vin (max) (V) 75 Vout (min) (V) 2.5 Vout (max) (V) 70 Iout (max) (A) 1 Iq (typ) (mA) 0.65 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1000 Features Enable, Over Current Protection, Soft Start Adjustable Operating temperature range (°C) -40 to 150 Rating Automotive Regulated outputs (#) 1 Control mode Constant on-time (COT) Duty cycle (max) (%) 99 Type Converter
Vin (min) (V) 6 Vin (max) (V) 75 Vout (min) (V) 2.5 Vout (max) (V) 70 Iout (max) (A) 1 Iq (typ) (mA) 0.65 Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1000 Features Enable, Over Current Protection, Soft Start Adjustable Operating temperature range (°C) -40 to 150 Rating Automotive Regulated outputs (#) 1 Control mode Constant on-time (COT) Duty cycle (max) (%) 99 Type Converter
HTSSOP (PWP) 14 32 mm² 5 x 6.4
  • LM5010A-Q1 Qualified for Automotive
    Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
    • Device Temperature Grade 0: –40°C to 150°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C5
  • Wide 6-V to 75-V Input Voltage Range
  • Valley Current Limit at 1.25 A
  • Programmable Switching Frequency Up To 1 MHz
  • Integrated 80-V N-Channel Buck Switch
  • Integrated High Voltage Bias Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Nearly Constant Operating Frequency With Line
    and Load Variations
  • Adjustable Output Voltage
  • 2.5-V, ±2% Feedback Reference
  • Programmable Soft-Start
  • Thermal Shutdown
  • Exposed Thermal Pad for Improved Heat
    Dissipation
  • LM5010A-Q1 Qualified for Automotive
    Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C
      Ambient Operating Temperature Range
    • Device Temperature Grade 0: –40°C to 150°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C5
  • Wide 6-V to 75-V Input Voltage Range
  • Valley Current Limit at 1.25 A
  • Programmable Switching Frequency Up To 1 MHz
  • Integrated 80-V N-Channel Buck Switch
  • Integrated High Voltage Bias Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Nearly Constant Operating Frequency With Line
    and Load Variations
  • Adjustable Output Voltage
  • 2.5-V, ±2% Feedback Reference
  • Programmable Soft-Start
  • Thermal Shutdown
  • Exposed Thermal Pad for Improved Heat
    Dissipation

The LM5010Ax step-down switching regulator is an enhanced version of the LM5010 with the input operating range extended to 6-V minimum. The LM5010Ax features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high-voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.

The LM5010Ax step-down switching regulator is an enhanced version of the LM5010 with the input operating range extended to 6-V minimum. The LM5010Ax features all the functions needed to implement a low-cost, efficient, buck regulator capable of supplying in excess of 1-A load current. This high-voltage regulator integrates an N-Channel Buck Switch, and is available in thermally enhanced 10-pin WSON and 14-pin HTSSOP packages. The constant ON-time regulation scheme requires no loop compensation resulting in fast load transient response and simplified circuit implementation. The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the ON-time. The valley current limit detection is set at 1.25 A. Additional features include: VCC undervoltage lockout, thermal shutdown, gate drive undervoltage lockout, and maximum duty cycle limiter.

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 1
类型 标题 下载最新的英语版本 日期
* 数据表 LM5010A, LM5010A-Q1 High-Voltage 1-A Step-Down Switching Regulator 数据表 (Rev. F) PDF | HTML 2016年 5月 24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

LM5010AEVAL — 高电压 1A 降压开关稳压器评估模块

LM5010A High Voltage 1A Step Down Switching Regulator

用户指南: PDF
TI.com 上无现货
仿真模型

LM5010A PSpice Transient Model

SNVM493.ZIP (39 KB) - PSpice Model
仿真模型

LM5010A Unencrypted PSpice Transient Model

SNVM976.ZIP (4 KB) - PSpice Model
计算工具

LM5010AQUICK-CALC — LM5010A 快速入门计算器

模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用,包括业内超大的模型库之一,涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库,您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案,然后再进行布局和制造,可缩短产品上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中,您可以搜索 TI (...)
参考设计

TIDA-01168 — 适用于 12V/48V 汽车系统的双向直流/直流转换器参考设计

TIDA-01168 参考设计是一款四相、双向直流/直流转换器开发平台,适用于 12V/48V 汽车系统。此系统使用两个 LM5170-Q1 电流控制器和一个 TMS320F28027F 微控制器 (MCU) 进行功率级控制。LM5170-Q1 子系统使用平均电流反馈进行电流控制,而 C2000™ 微控制器则提供电压反馈。这种控制机制不再需要多相位转化器通常需要进行的相电流平衡。基于 LM5170-Q1 的系统可实现高级别集成,减小印刷电路板 (PCB) 面积、简化设计并加速开发。
设计指南: PDF
原理图: PDF
封装 引脚 下载
HTSSOP (PWP) 14 查看选项

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

推荐产品可能包含与 TI 此产品相关的参数、评估模块或参考设计。

支持和培训

视频