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LM25010-Q1

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汽车级 6-42V 宽输入电压、1A 恒定导通时间非同步降压稳压器

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LMR43610-Q1 正在供货 具有低 IQ 的汽车类 3V 至 36V、1A、低 EMI 同步降压稳压器 Smaller footprint, higher efficiency, lower EMI, lower IQ and spread-spectrum.

LM25010-Q1

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产品详情

Rating Automotive Topology Buck Iout (max) (A) 1 Vin (max) (V) 42 Vin (min) (V) 6 Vout (max) (V) 37 Vout (min) (V) 2.5 Features Adjustable soft start, Enable, Overcurrent protection Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000645 Duty cycle (max) (%) 99
Rating Automotive Topology Buck Iout (max) (A) 1 Vin (max) (V) 42 Vin (min) (V) 6 Vout (max) (V) 37 Vout (min) (V) 2.5 Features Adjustable soft start, Enable, Overcurrent protection Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 150 Iq (typ) (A) 0.000645 Duty cycle (max) (%) 99
HTSSOP (PWP) 14 32 mm² (5 mm × 6.4 mm)
  • LM25010-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 42-V Input Voltage Range
  • Valley Current Limiting at 1.25 A
  • Programmable Switching Frequency Up To 1 MHz
  • Integrated 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
  • LM25010-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 42-V Input Voltage Range
  • Valley Current Limiting at 1.25 A
  • Programmable Switching Frequency Up To 1 MHz
  • Integrated 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

The LM25010 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 LM25010 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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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 LM25010, LM25010-Q1 42-V, 1-A Step-Down Switching Regulator 数据表 (Rev. E) PDF | HTML 2016-5-24
白皮书 Buck regulator topologies for wide input/output voltage differentials (Rev. A) PDF | HTML 2016-9-15

设计与开发

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评估板

LM25010EVAL — 用于 42V、1.0A 降压开关稳压器的评估板

LM25010 42V, 1.0A 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

LM25010QUICK-CALC — LM25010 快速入门计算器

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封装 引脚 CAD 符号、封装和 3D 模型
HTSSOP (PWP) 14 Ultra Librarian
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