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LM22671MRE-ADJ
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LM22671MRE-ADJ

  • Category:Low dropout linear regulator
  • Product Name:500 mA simple-to-use buck regulator
  • Manufacturers:NSC
  • Production Batch Number:09+
  • Encapsulation:8-PSOP
  • Stock Status:There is stock
  • Stock Quantity:2000
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on the LM22671MRE-ADJ
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  • Product introduction

peculiarity

  • Wide input voltage range: 4.5V to 42V
  • Internally compensated voltage mode control
  • Stable and low ESR ceramic capacitors
  • 200mΩ N-channel MOSFET
  • Output voltage options:

  • - ADJ (e.g. low 1.285V output)

  • -5.0 (fixed 5V output)
  • Feedback reference accuracy± 1.5%
  • The switching frequency is 500 kHz, adjustable between 200 kHz and 1 MHz
  • -40°C to 125°C operating junction temperature range
  • Precision enable pins
  • Integrated start-up diode
  • Adjustable soft-start
  • COMPLETE WEBENCH ® enable
  • Buck and Inverting Buck - Boost applications
  • LM22671Q is automotive grade and AEC-Q100 qualified (-40°C to +125°C operating junction temperature)

illustrate

The LM22671 series of regulators is a monolithic integrated circuit that provides positive features for buck (buck) switching regulators capable of driving loads up to 500 mA with excellent line and load regulation characteristics. High efficiency (> 90%) is achieved by using a low resistance N-channel MOSFET. The series consists of a fixed 5V output and adjustable version.

SIMPLE SWITCHER ® The concept provides an easy-to-use complete design using a minimum number of external components and the WEBENCH of National Semiconductor ® Design tools. WEBENCH of National Semiconductor ® Tools include features such as external component calculations, electrical simulation, thermal simulation, and simple design, build, and board of it. The switching clock frequency is made up of an internal fixed frequency oscillator, which is at 500 kHz. The switching frequency can also be adjusted with an external resistor or synchronized with an external clock up to 1 MHz. It can also automatically synchronize multiple regulators sharing the same switching frequency. The LM22671 series also features built-in thermal shutdown, current limit, and enable control inputs that can adjust quiescent current standby up and down at 25μA lower power. An adjustable soft-start function is achieved by selecting the appropriate external soft-start capacitor.


apply

  • Industrial control
  • Telecommunications and data communication systems
  • Embedded systems
  • Automotive telematics and body electronics
  • Standard 24V, 12V and 5V input voltage rail conversion

andLM22671MRE-ADJRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM22671MRE-ADJ/NOPB   10+11+   Hong Kong spot, imported original
LM22671MRE-5.0/NOPB   10+11+   Hong Kong spot, imported original
LM22671MRE-5.0 NSC 10+ 8PSOP 500 mA buck regulator
LM22671MRE-ADJ NSC 09+ 8-PSOP 500 mA simple-to-use buck regulator

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