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LM5010A-Q1

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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

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LMR38010-Q1 正在供货 SIMPLE SWITCHER® 汽车级 4.2V 至 80V、1A 同步降压转换器 Smaller footprint, lower EMI, lower IQ, higher efficiency and spread spectrum.

LM5010A-Q1

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产品详情

Rating Automotive Topology Buck Iout (max) (A) 1 Vin (max) (V) 75 Vin (min) (V) 6 Vout (max) (V) 70 Vout (min) (V) 2.5 Features Enable, Over Current Protection, Soft Start Adjustable Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.00065 Duty cycle (max) (%) 99
Rating Automotive Topology Buck Iout (max) (A) 1 Vin (max) (V) 75 Vin (min) (V) 6 Vout (max) (V) 70 Vout (min) (V) 2.5 Features Enable, Over Current Protection, Soft Start Adjustable Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.00065 Duty cycle (max) (%) 99
HTSSOP (PWP) 14 32 mm² (5 mm × 6.4 mm)
  • 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.
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* 数据表 LM5010A, LM5010A-Q1 High-Voltage 1-A Step-Down Switching Regulator 数据表 (Rev. F) PDF | HTML 2016-5-24

设计与开发

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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

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仿真模型

LM5010A PSpice Transient Model

SNVM493.ZIP (39 KB) - PSpice 模型
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仿真模型

LM5010A Unencrypted PSpice Transient Model

SNVM976.ZIP (4 KB) - PSpice 模型
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计算工具

LM5010AQUICK-CALC — LM5010A 快速入门计算器

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参考设计

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

TIDA-01168 参考设计是一款适用于 12V/48V 汽车系统的四相双向 DC-DC 转换器开发平台。系统采用两个 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。  这种控制方案消除了多相转换器常见的相电流平衡需求。基于 LM5170-Q1 的系统具有高度集成性，可减小印刷电路板 (PCB) 面积，简化设计并加快开发进程。
支持的产品和硬件
封装 引脚 CAD 符号、封装和 3D 模型
HTSSOP (PWP) 14 Ultra Librarian
适用于评估类项目的 TI 标准条款与条件。

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