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DC/DC 轉換器

LM2593HV

現行

SIMPLE SWITCHER 電源轉換器 150 KHz 2A 降壓電壓穩壓器與功能

立即訂購
產品規格表

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open-in-new 比較替代產品
功能相同，但針腳輸出與所比較的裝置不同。
LMR36520 現行 具有 26uA IQ 的 SIMPLE SWITCHER® 4.2V 至 65V、2A 同步降壓轉換器 Higher Fsw, better efficiency, lower EMI and lower IQ.
TPSM5601R5H 現行 採用增強型 HotRod™ QFN 封裝的 60-V 輸入、1-V 至 16-V 輸出、1.5-A 電源模組 Save board space, simplify design and speed time to market with an integrated-inductor power module.

LM2593HV

現行
立即訂購

產品詳細資料

Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 60 Vin (min) (V) 4.5 Vout (max) (V) 57 Vout (min) (V) 1.2 Features Over Current Protection, Power good Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.005 Duty cycle (max) (%) 100
Rating Catalog Topology Buck Iout (max) (A) 2 Vin (max) (V) 60 Vin (min) (V) 4.5 Vout (max) (V) 57 Vout (min) (V) 1.2 Features Over Current Protection, Power good Control mode Voltage mode Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.005 Duty cycle (max) (%) 100
TO-263 (KTW) 7 153.924 mm² (10.1 mm × 15.24 mm) TO-220 (NDZ) 7 82.6008 mm² (10.16 mm × 8.13 mm)
  • 3.3-V, 5-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.2 V
    to 57 V ±4% Maximum Over Line and Load
    Conditions
  • Ensured 2-A Output Load Current
  • Available in 7-Pin TO-220 and TO-263 (Surface-
    Mount) Package
  • Input Voltage Range up to 60 V
  • 150-kHz Fixed Frequency Internal Oscillator
  • Shutdown and Soft-Start
  • Out-of-Regulation Error Flag
  • Error Flag Delay
  • Low Power Standby Mode: IQ, Typically 90 µA
  • High Efficiency
  • Thermal Shutdown and Current-Limit Protection
  • 3.3-V, 5-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.2 V
    to 57 V ±4% Maximum Over Line and Load
    Conditions
  • Ensured 2-A Output Load Current
  • Available in 7-Pin TO-220 and TO-263 (Surface-
    Mount) Package
  • Input Voltage Range up to 60 V
  • 150-kHz Fixed Frequency Internal Oscillator
  • Shutdown and Soft-Start
  • Out-of-Regulation Error Flag
  • Error Flag Delay
  • Low Power Standby Mode: IQ, Typically 90 µA
  • High Efficiency
  • Thermal Shutdown and Current-Limit Protection

The LM2593HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 2-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3-V, 5-V, and an adjustable output version.

This series of switching regulators is similar to the LM2592HV with additional supervisory and performance features.

Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, improved line and load specifications, fixed-frequency oscillator, Shutdown/Soft-start, output error flag, and flag delay.

The LM2593HV operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 7-pin TO-220 package with several different lead bend options, and a 7-pin TO-263 surface-mount package.

Other features include a specified ±4% tolerance on output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 90-µA standby current. Self-protection features include a two stage current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions.

The LM2593HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 2-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3-V, 5-V, and an adjustable output version.

This series of switching regulators is similar to the LM2592HV with additional supervisory and performance features.

Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, improved line and load specifications, fixed-frequency oscillator, Shutdown/Soft-start, output error flag, and flag delay.

The LM2593HV operates at a switching frequency of 150 kHz, thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 7-pin TO-220 package with several different lead bend options, and a 7-pin TO-263 surface-mount package.

Other features include a specified ±4% tolerance on output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 90-µA standby current. Self-protection features include a two stage current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions.
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技術文件

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重要文件 類型 標題 格式選項 下載最新的英文版本 日期
* 資料表 LM2593HV SIMPLE SWITCHER® Power Converter 150-kHz, 2-A Step-Down Voltage Regulator datasheet (Rev. E) PDF | HTML 2016/5/31
應用說明 Semiconductor and IC Package Thermal Metrics (Rev. D) PDF | HTML 2024/3/25
技術文章 How to increase system reliability and simplify design using DC/DC converters PDF | HTML 2016/6/13
技術文章 The importance of accurate switching frequency and current limit when selecting bu PDF | HTML 2016/4/19
技術文章 Advantages of leaded packages in robust industrial designs PDF | HTML 2016/3/8
應用說明 Low EMI Layout Made SIMPLE With LM43600/1/2/3 and LM46000/1/2 (Rev. A) 2014/9/12
應用說明 AN-2162 Simple Success With Conducted EMI From DC-DC Converters (Rev. C) 2013/4/24
應用說明 AN-1566 Techniques for Thermal Analysis of Switching Power Supply Designs (Rev. A) 2013/4/23
應用說明 AN-2155 Layout Tips for EMI Reduction in DC/ DC Converters (Rev. A) 2013/4/23
應用說明 AN-1229 SIMPLE SWITCHER PCB Layout Guidelines (Rev. C) 2013/4/23
應用說明 AN-1149 Layout Guidelines for Switching Power Supplies (Rev. C) 2013/4/23
應用說明 AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 2013/4/23
應用說明 AN-1081 Low-Cost Low-Parts-Count DC/DC Converter With Multiple Outputs (Rev. B) 2013/4/23
應用說明 AN-1197 Selecting Inductors for Buck Converters (Rev. B) 2013/4/23
應用說明 AN-1246 Stresses in Wide Input DC-DC Converters (Rev. C) 2013/4/23
應用說明 AN-1520 A Guide to Board Layout for Best Thermal Resistance for Exposed Packages (Rev. B) 2013/4/23
應用說明 Simple Techniques Minimize Cross-Coupling in Distributed Power Systems 2007/3/21
應用說明 Input and Output Capacitor Selection 2005/9/19
更多文件說明 SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 2005/7/12
應用說明 AN-643 EMI/RFI Board Design (Rev. B) 2004/5/3
白皮書 Comparing Topologies and the (Design) Rules of the Game 2003/3/1
白皮書 Reducing Converter Stresses 2002/11/1

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模擬型號

LM2593HV-ADJ PSpice Transient Model

SNVMAK8.ZIP (67 KB) - PSpice 模型
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模擬型號

LM2593HV-ADJ Unencrypted PSpice Transient Model

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封裝 針腳 CAD 符號、佔位空間與 3D 模型
TO-263 (KTW) 7 Ultra Librarian
TO-220 (NDZ) 7 Ultra Librarian
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