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LM2594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 40V、500mA 低组件数降压稳压器
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LM2594的产品详情:

The LM2594xx 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 a 8-pin PDIP and a 8-pin surface-mount SOIC package.

Requiring a minimum number of external components, these regulators are simple to use and feature internal frequency compensation, a fixed-frequency oscillator, and improved line and load regulation specifications.

The new product, LMR36506, offers reduced BOM cost, higher efficiency, and smaller solution size with many other features. See the Device Comparison Table to compare specs. Start WEBENCH Design with LMR36506.

A standard series of inductors (both through-hole and surface-mount types) are available from several different manufacturers optimized for use with the LM2594xx series. This feature greatly simplifies the design of switch-mode power supplies.

Other features include an ensured ±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 frequency reducing current limit for the output switch and an overtemperature shutdown for complete protection under fault conditions.

The LM2594HV is for applications requiring an input voltage up to 60 V.

LM2594的优势和特性:
  • New product available: LMR36506 3-V to 65-V 0.6-A ultra-small synchronous buck converter
  • 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 the HV version), ±4% maximum over line and load conditions
  • Available in 8-pin surface-mount SOIC and 8-pin PDIP packages
  • Ensured 0.5-A output current
  • Input voltage range up to 60 V
  • Requires only four external components
  • 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
  • Start WEBENCH design with LM2594HV
LM2594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)
  • 0.5
  • 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
LM2594具体的完整产品型号参数及价格(美元):

LM2594的完整型号有:LM2594M-12/NOPB、LM2594M-3.3/NOPB、LM2594M-5.0/NOPB、LM2594M-ADJ/NOPB、LM2594MX-12/NOPB、LM2594MX-3.3/NOPB、LM2594MX-5.0/NOPB、LM2594MX-ADJ/NOPB、LM2594N-12/NOPB、LM2594N-3.3/NOPB、LM2594N-5.0/NOPB、LM2594N-ADJ/NOPB、LM2594M-3.3、LM2594M-5.0,以下是这些产品的关键参数及官网采购报价:

LM2594M-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LM2594M-12/NOPB的批量USD价格:1.584(1000+)

LM2594M-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LM2594M-3.3/NOPB的批量USD价格:1.584(1000+)

LM2594M-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LM2594M-5.0/NOPB的批量USD价格:1.584(1000+)

LM2594M-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LM2594M-ADJ/NOPB的批量USD价格:1.584(1000+)

LM2594MX-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LM2594MX-12/NOPB的批量USD价格:1.32(1000+)

LM2594MX-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LM2594MX-3.3/NOPB的批量USD价格:1.32(1000+)

LM2594MX-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LM2594MX-5.0/NOPB的批量USD价格:1.32(1000+)

LM2594MX-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LM2594MX-ADJ/NOPB的批量USD价格:1.32(1000+)

LM2594N-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LM2594N-12/NOPB的批量USD价格:1.518(1000+)

LM2594N-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LM2594N-3.3/NOPB的批量USD价格:1.518(1000+)

LM2594N-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LM2594N-5.0/NOPB的批量USD价格:1.518(1000+)

LM2594N-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LM2594N-ADJ/NOPB的批量USD价格:1.518(1000+)

LM2594M-3.3,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LM2594M-3.3的批量USD价格:2.178(1000+)

LM2594M-5.0,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LM2594M-5.0的批量USD价格:2.178(1000+)

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LM2594的评估套件:

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