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LM2672MX-3.3
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LM2672MX-3.3

  • 所属类别:低压降线性稳压器
  • 产品名称:SIMPLE SWITCHER电源转换器的高效率1A降压稳压器
  • 厂商:NSC
  • 生产批号:10+
  • 封装:SOP
  • 库存状态:有库存
  • 库存量:5000
  • 最低订购量:1
  • 详细资料:点击查找LM2672MX-3.3的pdf资料
  • 点击询价
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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 output load current of 1A
  • 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
  • Soft start and frequency synchronization
  • Thermal shutdown and current limit protection

illustrate

TheLM2672 series regulators are monolithic integrated circuits with a built-in LMDMOS process. These regulators offer all active buck (buck) switching regulators capable of driving 1A load current with excellent line and load regulation. These devices are available in 3.3V fixed output voltage, 5.0V, 12V adjustable output versions.

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

LM2672 series switching frequency operates on 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.

A standard inductor for a home with the LM2672 is 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 LM2672 buck regulator, computer design software exists, The LM267X simplifies complexity Version 6.0.

ICs related to LM2672MX-3.3 include:


Model Manufacturers lot number encapsulation illustrate
LM2672MX-5.0/NOPB   10+11+   Hong Kong spot, imported original
LM2672MX-ADJ/NOPB   10+11+   Hong Kong spot, imported original
LM2672MX-3.3 NSC 10+ SOP SIMPLE SWITCHER power converter high-efficiency 1A buck regulator
LM2672MX-5.0 NSC 09+ SOP-8 3A buck regulator with adjustable current limit
LM2672MX-ADJ NSC 07+ SOP8 1A high-efficiency power converter step-down regulator

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