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LM2675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 6.5V 至 40V、1A 低组件数降压稳压器
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LM2675的产品详情:

The LM2675 series of regulators are monolithic integrated DC-DC converter circuits built with a LMDMOS process. These regulators provide all the active functions for a step-down (buck) switching regulator, capable of driving a 1-A load current 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 patented internal frequency compensation and a fixed frequency oscillator.

The LM2675 series operates at a switching frequency of 260 kHz, thus allowing smaller-sized filter components than what would be needed with lower frequency switching regulators. Because of its very high efficiency (>90%), the copper traces on the printed-circuit board are the only heat sinking needed.

A family of standard inductors for use with the LM2675 are available from several different manufacturers. This feature greatly simplifies the design of switch-mode power supplies using these advanced ICs. Also included in the data sheet are selector guides for diodes and capacitors designed to work in switch-mode power supplies.

Other features include ±1.5%-tolerance on output voltage within specified input voltages and output load conditions, and ±10% on the oscillator frequency. External shutdown is included, featuring typically 50-µA standby current. The output switch includes current limiting, as well as thermal shutdown for full protection under fault conditions.

LM2675的优势和特性:
  • Efficiency up to 96%
  • Available in 8-Pin SOIC, PDIP, and 16-Pin WSON Package
  • Requires only 5 External Components
  • 3.3-V, 5-V, 12-V, and Adjustable Output Versions
  • Adjustable Version Output Voltage Range: 1.21 V to 37 V
  • ±1.5% Maximum Output Voltage Tolerance Over Line and Load Conditions
  • Ensured 1-A Output Load Current
  • Wide Input Voltage Range: 8 V to 40 V
  • 260-kHz Fixed Frequency Internal Oscillator
  • TTL Shutdown Capability, Low-Power Standby Mode
  • Thermal Shutdown and Current Limit Protection
LM2675的参数(英文):
  • Vin (Min) (V)
  • 6.5
  • Vin (Max) (V)
  • 40
  • Vout (Min) (V)
  • 1.23
  • Vout (Max) (V)
  • 37
  • Iout (Max) (A)
  • 1
  • Iq (Typ) (uA)
  • 2500
  • Switching frequency (Min) (kHz)
  • 260
  • Switching frequency (Max) (kHz)
  • 260
  • Features
  • Enable, Over Current Protection
  • Rating
  • Catalog
  • Regulated outputs (#)
  • 1
  • Control mode
  • Voltage Mode
  • Duty cycle (Max) (%)
  • 95
LM2675具体的完整产品型号参数及价格(美元):

LM2675的完整型号有:LM2675LD-5.0/NOPB、LM2675LD-ADJ/NOPB、LM2675M-12/NOPB、LM2675M-3.3/NOPB、LM2675M-5.0/NOPB、LM2675M-ADJ/NOPB、LM2675MX-12/NOPB、LM2675MX-3.3/NOPB、LM2675MX-5.0/NOPB、LM2675MX-ADJ/NOPB、LM2675N-12/NOPB、LM2675N-3.3/NOPB、LM2675N-5.0/NOPB、LM2675N-ADJ/NOPB、LM2675M-12、LM2675M-5.0、LM2675M-ADJ,以下是这些产品的关键参数及官网采购报价:

LM2675LD-5.0/NOPB,工作温度:-40 to 125,封装:WSON (NHN)-16,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2675LD-5.0/NOPB的批量USD价格:1.76(1000+)

LM2675LD-ADJ/NOPB,工作温度:-40 to 125,封装:WSON (NHN)-16,包装数量MPQ:1000个,MSL 等级/回流焊峰值温度:Level-3-260C-168 HR,引脚镀层/焊球材料:SN,TI官网LM2675LD-ADJ/NOPB的批量USD价格:1.76(1000+)

LM2675M-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LM2675M-12/NOPB的批量USD价格:2.112(1000+)

LM2675M-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:Call TI,TI官网LM2675M-3.3/NOPB的批量USD价格:2.112(1000+)

LM2675M-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LM2675M-5.0/NOPB的批量USD价格:2.112(1000+)

LM2675M-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:Call TI,TI官网LM2675M-ADJ/NOPB的批量USD价格:2.112(1000+)

LM2675MX-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LM2675MX-12/NOPB的批量USD价格:1.76(1000+)

LM2675MX-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LM2675MX-3.3/NOPB的批量USD价格:1.76(1000+)

LM2675MX-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:Call TI,TI官网LM2675MX-5.0/NOPB的批量USD价格:1.76(1000+)

LM2675MX-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LM2675MX-ADJ/NOPB的批量USD价格:1.76(1000+)

LM2675N-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LM2675N-12/NOPB的批量USD价格:2.024(1000+)

LM2675N-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LM2675N-3.3/NOPB的批量USD价格:2.024(1000+)

LM2675N-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LM2675N-5.0/NOPB的批量USD价格:2.024(1000+)

LM2675N-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:NIPDAU,TI官网LM2675N-ADJ/NOPB的批量USD价格:2.024(1000+)

LM2675M-12,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LM2675M-12的批量USD价格:2.904(1000+)

LM2675M-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LM2675M-5.0的批量USD价格:2.904(1000+)

LM2675M-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LM2675M-ADJ的批量USD价格:2.904(1000+)

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LM2675的评估套件:

LM2675-5.0EVAL — SIMPLE SWITCHER 电源转换器高效 1A 降压电压稳压器评估模块

Amp Step-Down High-Efficency SIMPLE SWITCHER Evaluation Board.

The LM2675 SIMPLE SWITCHER step-down regulator provides all the active functions for a step-down regulator capable of driving a 1A load. Switching frequency is internally set to 260 kHz, allowing smaller-sized filter components than (...)

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