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LM2673T-12
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LM2673T-12

  • 所属类别:低压降线性稳压器
  • 产品名称:电源转换器的高效率500mA降压电压稳压器
  • 厂商:NSC
  • 生产批号:09+
  • 封装:TO-220
  • 库存状态:有库存
  • 库存量:4800
  • 最低订购量:1
  • 详细资料:点击查找LM2673T-12的pdf资料
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  • Product Introduction

peculiarity

  • Conversion efficiency up to 96%
  • Available in SO-8, 8-pin DIP, and LLP packages
  • Computer design software The LM267X simplifies complexity (Version 6.0)
  • Simple and easy to use design with:
  • Only 5 external components are required
  • Use off-the-shelf standard inductors
  • 3.3V, 5.0V, 12V and adjustable output versions
  • Adjustable version output voltage range: 1.21V to 37V
  • ± 1.5% maximum output exceeds line voltage tolerance and load conditions
  • Guaranteed 500mA output load current
  • 0.25Ω DMOS output switch
  • Wide input voltage range from 8V to 40V:
  • 260 kHz fixed frequency internal oscillator
  • TTL shutdown capability, low-power standby mode
  • Thermal shutdown and current limit protection

illustrate

TheLM2674 series regulators are monolithic integrated circuits with a built-in LMDMOS process. These regulators provide all buck (buck) switching regulators with excellent line and load regulation positive functions at 500 mA to regulate load current. These devices are available in fixed output voltage of 3.3V, 5.0V, 12V, and adjustable output versions.

Requiring a minimum number of external components, these regulators are simple to use and include patented internal frequency compensation (patent numbers 5382918 and 5514947) and fixed frequency oscillators.

The LM2674 series switching frequency works in 260 kHz This enables a small size ratio to the lower frequency switching regulator required for filter components. Due to its very high efficiency (> 90%), the copper trace of the printed circuit board is the only heat dissipation need.

LM2674 standard inductors for home use, available from several different manufacturers. This feature greatly simplifies the design of switching power supplies, which are supplied using these advanced integrated circuits. Also included in the datasheet is a selection guide for designing diodes and capacitors for switch-mode power supplies.

Other features include a guaranteed tolerance of 1.5% of the output voltage for specified input voltage and output load conditions within the ±, and a ± 10% of the oscillator frequency. External shutdown with a typical standby current of 50μA. The output switches include current limiting, thermal shutdown, and adequate protection in fault conditions.

In order to simplify the design process of LM2674 buck regulator, there is computer design software, The LM267X simplifies complexity (version 6.0).

The ICs associated with LM2673T-12 are:


Model Manufacturers lot number encapsulation illustrate
LM2673T-12/NOPB NSC 10+11+   Hong Kong spot, imported original
LM2673T-ADJ/NOPB   10+11+   Hong Kong spot, imported original
LM2673T-5.0/NOPB   10+11+   Hong Kong spot, imported original
LM22673TJ-5.0/NOPB   10+11+   Hong Kong spot, imported original
LM2673T-12 NSC 09+ TO-220 High efficiency 500mA step-down voltage regulator for power converters
LM22673TJE-ADJ NSC 09+ TO-263 Step-down regulator with adjustable soft-start and current limiting
LM22673TJ-ADJ NSC 10+ TO-263 Step-down regulator with adjustable soft-start and current limiting
LM22673TJ-5.0 NSC 10+ TO-263 Step-down regulator with adjustable soft-start and current limiting
LM22673TJE-5.0 NSC 10+ SPQ 250 The step-down regulator is precisely activated
LM2673T-5.0 NSC 10+ TO-220 3A buck regulator with adjustable current limit
LM2673T-3.3 NSC 10+ TO-263-7 3A buck regulator with adjustable current limit
LM2673T-ADJ National 03+ TOP220 Brand new original

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