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LM2673T-5.0
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LM2673T-5.0

  • Category:Low dropout linear regulator
  • Product Name:3A buck regulator with adjustable current limit
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:TO-220
  • Stock Status:There is stock
  • Stock Quantity:9850
  • Minimum order quantity: 1
  • Details:Click here to find pdf information on LM2673T-5.0
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  • Product introduction

peculiarity

  • Up to 94% efficiency
  • Easy-to-use design (using off-the-shelf external components)
  • The resistor can be programmed to limit peak current from 2A to 5A.
  • 150mΩ DMOS output switch
  • Fixed output and adjustable (1.2V to 37V) versions of 3.3V, 5V and 12V
  • Up to ± 2% output tolerance and load conditions across the line
  • Wide 8V to 40V Input Voltage Range:
  • Internal oscillator at fixed frequency at 260 kHz
  • Soft-start capability
  • Operating junction temperature range from -40 to +125 °C

illustrate

The LM2673 series of regulators are monolithic integrated circuits that are buck (buck) switching regulators capable of driving loads up to 3A with excellent line and load regulation characteristics. High efficiency (> 90%) is obtained by using a low on-resistance DMOS power switch. The series includes fixed output voltage and adjustable output versions of 3.3V, 5V and 12V.

THE SIMPLE SWITCHER CONCEPT PROVIDES A COMPLETE DESIGN USING A MINIMUM NUMBER OF EXTERNAL COMPONENTS. A higher fixed-frequency oscillator (260KHz) allows the use of smaller components. A family of standard inductors is supplied with LM2673 manufacturers, greatly simplifying the design process.

Other features include the addition of a soft-start sequencing capacitor to step on the regulator's ability to reduce input inrush current at power-up. The LM2673 series also features built-in thermal shutdown and resistor-programmable current limit protection devices and power MOSFET switches during load circuit fault conditions. The output voltage is guaranteed to a tolerance of ± 2%. The clock frequency is controlled to a tolerance of 11% ±.


apply

  • Simple design, high efficiency (> 90%), step-down switching regulator
  • Efficient system pre-regulator linear regulator
  • Battery charger

andLM2673T-5.0Related ICs 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 Buck regulator with adjustable soft-start and current limit
LM22673TJ-ADJ NSC 10+ TO-263 Buck regulator with adjustable soft-start and current limit
LM22673TJ-5.0 NSC 10+ TO-263 Buck regulator with adjustable soft-start and current limit
LM22673TJE-5.0 NSC 10+ SPQ 250 The buck regulator is precision enabled
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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