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LM2595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:SIMPLE SWITCHER 电源转换器 150 KHz 1A 降压电压稳压器
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LM2595的产品详情:

The LM2595 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-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.

Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation, and a fixed-frequency oscillator.

The LM2595 series 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 5-pin TO-220 package with several different lead bend options, and a 5-pin TO-263 surface-mount package. Typically, for output voltages less than
12 V, and ambient temperatures less than 50°C, no heat sink is required.

A standard series of inductors are available from several different manufacturers optimized for use with the LM2595 series. This feature greatly simplifies the design of switch-mode power supplies.

Other features include a ±4% tolerance on output voltage under specified input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 85-µA stand-by current. Self protection features include a two stage frequency reducing current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions.

LM2595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 ±4% Maximum Over Line and Load Conditions
  • Available in TO-220 and TO-263 Surface-Mount Packages
  • Ensured 1-A Output Load Current
  • Input Voltage Range Up to 40 V
  • Requires Only 4 External Components
  • Excellent Line and Load Regulation Specifications
  • 150-kHz Fixed-Frequency Internal Oscillator
  • TTL Shutdown Capability
  • Low Power Standby Mode, IQ, Typically 85μA
  • High Efficiency
  • Uses Readily Available Standard Inductors
  • Thermal Shutdown and Current-Limit Protection
LM2595的参数(英文):
  • Vin (Min) (V)
  • 4.5
  • Vin (Max) (V)
  • 40
  • Vout (Min) (V)
  • 3.3
  • Vout (Max) (V)
  • 37
  • Iout (Max) (A)
  • 1
  • Iq (Typ) (uA)
  • 5000
  • Switching frequency (Min) (kHz)
  • 110
  • Switching frequency (Max) (kHz)
  • 173
  • Features
  • Enable, Over Current Protection
  • Rating
  • Catalog
  • Regulated outputs (#)
  • 1
  • Control mode
  • Voltage Mode
  • Duty cycle (Max) (%)
  • 100
LM2595具体的完整产品型号参数及价格(美元):

LM2595的完整型号有:LM2595S-12/NOPB、LM2595S-3.3/NOPB、LM2595S-5.0/NOPB、LM2595S-ADJ/NOPB、LM2595SX-12/NOPB、LM2595SX-3.3/NOPB、LM2595SX-5.0/NOPB、LM2595SX-ADJ/NOPB、LM2595T-12/NOPB、LM2595T-3.3/NOPB、LM2595T-5.0/NOPB、LM2595T-ADJ/NOPB、LM2595S-12、LM2595S-3.3、LM2595S-5.0、LM2595S-ADJ、LM2595SX-ADJ,以下是这些产品的关键参数及官网采购报价:

LM2595S-12/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595S-12/NOPB的批量USD价格:2.112(1000+)

LM2595S-3.3/NOPB,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595S-3.3/NOPB的批量USD价格:2.112(1000+)

LM2595S-5.0/NOPB,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595S-5.0/NOPB的批量USD价格:2.112(1000+)

LM2595S-ADJ/NOPB,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595S-ADJ/NOPB的批量USD价格:2.112(1000+)

LM2595SX-12/NOPB,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595SX-12/NOPB的批量USD价格:1.76(1000+)

LM2595SX-3.3/NOPB,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595SX-3.3/NOPB的批量USD价格:1.76(1000+)

LM2595SX-5.0/NOPB,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595SX-5.0/NOPB的批量USD价格:1.76(1000+)

LM2595SX-ADJ/NOPB,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-245C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2595SX-ADJ/NOPB的批量USD价格:1.76(1000+)

LM2595T-12/NOPB,工作温度:-40 to 125,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2595T-12/NOPB的批量USD价格:1.76(1000+)

LM2595T-3.3/NOPB,工作温度:PropertyValue,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2595T-3.3/NOPB的批量USD价格:1.76(1000+)

LM2595T-5.0/NOPB,工作温度:PropertyValue,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2595T-5.0/NOPB的批量USD价格:1.76(1000+)

LM2595T-ADJ/NOPB,工作温度:PropertyValue,封装:TO-220 (NDH)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-1-NA-UNLIM,引脚镀层/焊球材料:SN,TI官网LM2595T-ADJ/NOPB的批量USD价格:1.76(1000+)

LM2595S-12,工作温度:-40 to 125,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-235C-168 HR,引脚镀层/焊球材料:SNPB,TI官网LM2595S-12的批量USD价格:2.904(1000+)

LM2595S-3.3,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-235C-168 HR,引脚镀层/焊球材料:SNPB,TI官网LM2595S-3.3的批量USD价格:2.904(1000+)

LM2595S-5.0,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-235C-168 HR,引脚镀层/焊球材料:SNPB,TI官网LM2595S-5.0的批量USD价格:2.904(1000+)

LM2595S-ADJ,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:45个,MSL 等级/回流焊峰值温度:Level-3-235C-168 HR,引脚镀层/焊球材料:SNPB,TI官网LM2595S-ADJ的批量USD价格:2.904(1000+)

LM2595SX-ADJ,工作温度:PropertyValue,封装:DDPAK/TO-263 (KTT)-5,包装数量MPQ:500个,MSL 等级/回流焊峰值温度:Level-3-235C-168 HR,引脚镀层/焊球材料:SNPB,TI官网LM2595SX-ADJ的批量USD价格:2.464(1000+)

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LM2595的评估套件:

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