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LM2597HV的基本参数
  • 制造厂商:TI
  • 产品类别:电源管理
  • 技术类目:直流/直流开关稳压器 - 降压稳压器
  • 功能描述:具有多种特性的 SIMPLE SWITCHER 电源转换器 150 kHz 0.5A 降压电压稳压器
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LM2597HV的产品详情:

The LM2597xx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version, and are packaged in an 8-pin PDIP and an 8-pin surface-mount package.

This series of switching regulators is similar to the LM2594 series, with additional supervisory and performance features added.

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, error flag delay, and error flag output.

The LM2597xx series operates at a switching frequency of 150-kHz, thus allowing smaller-sized filter components than what would be required with lower-frequency switching regulators. Because of its high efficiency, the copper traces on the printed-circuit board are normally the only heat sinking required.

A standard series of inductors (both through-hole and surface-mount types) are available from several different manufacturers optimized for use with the LM2597xx series. This feature greatly simplifies the design of switch-mode power supplies.

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 85-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 LM2597HV is for use in applications requiring and input voltage up to 60 V.

LM2597HV的优势和特性:
  • 3.3-V, 5-V, 12-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.2 V to 37 V (57 V for HV Version) ±4% Maximum Over Line and Load Conditions
  • Specified 0.5-A Output Current
  • Available in 8-Pin Surface-Mount and 8-Pin PDIP Packages
  • Input Voltage Range Up to 60 V
  • 150-kHz Fixed-Frequency Internal Oscillator
  • Shutdown/Soft-Start
  • Out of Regulation Error Flag
  • Error Output Delay
  • Bias Supply Pin (VBS) for Internal Circuitry Improves Efficiency at High Input Voltages
  • Low Power Standby Mode, IQ, Typically 85μA
  • High Efficiency
  • Uses Readily Available Standard Inductors
  • Thermal Shutdown and Current-Limit Protection
LM2597HV的参数(英文):
  • Vin (Min) (V)
  • 4.5
  • Vin (Max) (V)
  • 60
  • Vout (Min) (V)
  • 3.3
  • Vout (Max) (V)
  • 37
  • Iout (Max) (A)
  • 0.5
  • Iq (Typ) (uA)
  • 5000
  • Switching frequency (Min) (kHz)
  • 110
  • Switching frequency (Max) (kHz)
  • 173
  • Features
  • Over Current Protection, Power Good
  • Rating
  • Catalog
  • Regulated outputs (#)
  • 1
  • Control mode
  • Voltage Mode
  • Duty cycle (Max) (%)
  • 100
LM2597HV具体的完整产品型号参数及价格(美元):

LM2597HV的完整型号有:LM2597HVM-12/NOPB、LM2597HVM-3.3/NOPB、LM2597HVM-5.0/NOPB、LM2597HVM-ADJ/NOPB、LM2597HVMX-12/NOPB、LM2597HVMX-3.3/NOPB、LM2597HVMX-5.0/NOPB、LM2597HVMX-ADJ/NOPB、LM2597HVN-12/NOPB、LM2597HVN-3.3/NOPB、LM2597HVN-5.0/NOPB、LM2597HVN-ADJ/NOPB、LM2597HVM-ADJ,以下是这些产品的关键参数及官网采购报价:

LM2597HVM-12/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVM-12/NOPB的批量USD价格:2.508(1000+)

LM2597HVM-3.3/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVM-3.3/NOPB的批量USD价格:2.508(1000+)

LM2597HVM-5.0/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVM-5.0/NOPB的批量USD价格:2.508(1000+)

LM2597HVM-ADJ/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVM-ADJ/NOPB的批量USD价格:2.508(1000+)

LM2597HVMX-12/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVMX-12/NOPB的批量USD价格:2.09(1000+)

LM2597HVMX-3.3/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVMX-3.3/NOPB的批量USD价格:2.09(1000+)

LM2597HVMX-5.0/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVMX-5.0/NOPB的批量USD价格:2.09(1000+)

LM2597HVMX-ADJ/NOPB,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:2500个,MSL 等级/回流焊峰值温度:Level-1-260C-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2597HVMX-ADJ/NOPB的批量USD价格:2.09(1000+)

LM2597HVN-12/NOPB,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM2597HVN-12/NOPB的批量USD价格:2.404(1000+)

LM2597HVN-3.3/NOPB,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM2597HVN-3.3/NOPB的批量USD价格:2.404(1000+)

LM2597HVN-5.0/NOPB,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:NIPDAU,TI官网LM2597HVN-5.0/NOPB的批量USD价格:2.404(1000+)

LM2597HVN-ADJ/NOPB,工作温度:-40 to 125,封装:PDIP (P)-8,包装数量MPQ:40个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:Call TI,TI官网LM2597HVN-ADJ/NOPB的批量USD价格:2.404(1000+)

LM2597HVM-ADJ,工作温度:-40 to 125,封装:SOIC (D)-8,包装数量MPQ:95个,MSL 等级/回流焊峰值温度:Level-1-235C-UNLIM,引脚镀层/焊球材料:SNPB,TI官网LM2597HVM-ADJ的批量USD价格:3.449(1000+)

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LM2597HV的评估套件:

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