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LM5006

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6V 至 75V 宽输入电压、600mA 恒准时非同步降压稳压器

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LMR38010 正在供货 具有 40µA IQ 的 SIMPLE SWITCHER® 80V、1.0A、2.2MHz 降压转换器 Smaller footprint, lower EMI, lower IQ, higher efficiency and spread spectrum.

LM5006

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产品详情

Rating Catalog Topology Buck Iout (max) (A) 0.65 Vin (max) (V) 75 Vin (min) (V) 6 Vout (max) (V) 75 Vout (min) (V) 2.5 Features Enable, Over Current Protection, Power good, UVLO adjustable Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.001 Duty cycle (max) (%) 99
Rating Catalog Topology Buck Iout (max) (A) 0.65 Vin (max) (V) 75 Vin (min) (V) 6 Vout (max) (V) 75 Vout (min) (V) 2.5 Features Enable, Over Current Protection, Power good, UVLO adjustable Control mode Constant on-time (COT) Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.001 Duty cycle (max) (%) 99
VSSOP (DGS) 10 14.7 mm² (3 mm × 4.9 mm)
  • Operating Input Voltage Range: 6V to 75V
  • Integrated 80V, N-Channel Buck Switch
  • Internal Start-Up Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Operating Frequency Remains Constant with Line and Load Variations
  • Adjustable Output Voltage from 2.5V
  • Precision Internal Reference, ±2.5%
  • Intelligent Current Limit Reduces Foldback
  • Programmable Input UV Detector with Status Flag Output
  • Gate Output Driver for Synchronous Rectifier
  • Pre-Charge Switch Enables Bootstrap Gate Drive with no Load
  • Thermal Shutdown

Package

  • VSSOP - 10

All trademarks are the property of their respective owners.

  • Operating Input Voltage Range: 6V to 75V
  • Integrated 80V, N-Channel Buck Switch
  • Internal Start-Up Regulator
  • No Loop Compensation Required
  • Ultra-Fast Transient Response
  • Operating Frequency Remains Constant with Line and Load Variations
  • Adjustable Output Voltage from 2.5V
  • Precision Internal Reference, ±2.5%
  • Intelligent Current Limit Reduces Foldback
  • Programmable Input UV Detector with Status Flag Output
  • Gate Output Driver for Synchronous Rectifier
  • Pre-Charge Switch Enables Bootstrap Gate Drive with no Load
  • Thermal Shutdown

Package

  • VSSOP - 10

All trademarks are the property of their respective owners.

The LM5006 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient Buck bias regulator. This high voltage regulator contains an 80V N-Channel MOSFET Switch and a startup regulator. The device is easy to implement and is provided in an VSSOP-10 package. The regulator’s control scheme uses an on-time inversely proportional to VIN. This feature results in the operating frequency remaining relatively constant with line and load variations. The control scheme requires no loop compensation, resulting in fast transient response. An intelligent current limit is implemented with a forced off-time which is inversely proportional to VOUT. This scheme ensures short circuit control while providing minimum foldback. Other features include: Thermal Shutdown, VCC Under Voltage Lock-out, Max Duty Cycle Limiter, a Pre-charge Switch, a programmable Under Voltage Detector with a status flag output, and a gate driver output for a synchronous rectifier.

The LM5006 Step Down Switching Regulator features all of the functions needed to implement a low cost, efficient Buck bias regulator. This high voltage regulator contains an 80V N-Channel MOSFET Switch and a startup regulator. The device is easy to implement and is provided in an VSSOP-10 package. The regulator’s control scheme uses an on-time inversely proportional to VIN. This feature results in the operating frequency remaining relatively constant with line and load variations. The control scheme requires no loop compensation, resulting in fast transient response. An intelligent current limit is implemented with a forced off-time which is inversely proportional to VOUT. This scheme ensures short circuit control while providing minimum foldback. Other features include: Thermal Shutdown, VCC Under Voltage Lock-out, Max Duty Cycle Limiter, a Pre-charge Switch, a programmable Under Voltage Detector with a status flag output, and a gate driver output for a synchronous rectifier.
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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 LM5006 80V, 600 mA Constant On-Time Buck Switching Regulator 数据表 (Rev. B) 2013-3-21
选择指南 电源管理指南 2018 2018-7-31
白皮书 Wide VIN power management ICs simplify white paper (Rev. A) 2013-9-19
应用手册 AN-2171 Designing Constant-On-Time Buck Regulators for Low Drop-Out Voltage (Rev. A) 2013-4-23
更多文献资料 高电压负载点电源解决方案 英语版 2012-2-27

设计与开发

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

LM5006EVAL — 用于 LM5006 的评估板

The LM5006EVAL evaluation board provides the design engineer with a fully functional buck regulator, employing the constant on-time (COT) operating principle. This evaluation board provides a 5V output over an input range of 6V to 75V. The circuit delivers load currents to 500 mA, with current (...)
用户指南: PDF
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仿真模型

LM5006 PSPICE Transient Model

SNVM703.ZIP (34 KB) - PSpice 模型
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仿真模型

LM5006 Unencrypted PSpice Transient Model

SNVMAL5.ZIP (3 KB) - PSpice 模型
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计算工具

LM5006QUICK-CALC — LM5006 快速入门计算器

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参考设计

PMP9676 — 适合 PoE PD 应用的 1 类非隔离式降压转换器 (5V/560mA) 参考设计

此转换器用于无需隔离的 1 级 PoE PD 应用。  TPS2378 PD 控制器和 LM5006 降压转换器可以用小尺寸提供效率出色的 5V/560mA。  LM5006 可配置为使用二极管整流器以实现最低成本，也可配置为使用同步 FET 整流器以提高效率。

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封装 引脚 CAD 符号、封装和 3D 模型
VSSOP (DGS) 10 Ultra Librarian
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