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LM2670SDX-5.0
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LM2670SDX-5.0

  • Category:Low dropout linear regulator
  • Product Name:Buck high efficiency 3A regulator is synchronized
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:QFN
  • Stock Status:There is stock
  • Stock Quantity:10000
  • Minimum order quantity: 1
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  • Product introduction

peculiarity

  • Up to 94% efficiency
  • Easy-to-use design (using off-the-shelf external components)
  • 150mΩ DMOS output switch
  • Fixed output and adjustable (1.2V to 37V) versions of 3.3V, 5V and 12V
  • When the standby current of 50μA is off,
  • Up to ± 2% output tolerance and load conditions across the line
  • Wide 8V to 40V Input Voltage Range:
  • External Synchronous Clock Function (280KHz to 400kHz)
  • Internal oscillator at fixed frequency at 260 kHz
  • Operating junction temperature range from -40 to +125 °C

illustrate

Стабилизаторы серии LM2670 представляют собой монолитные интегральные схемы, представляющие собой понижающие (понижающие) импульсные стабилизаторы, способные управлять нагрузками до 3 А с отличными характеристиками регулирования линии и нагрузки. 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. The clock switching frequency can be provided by an internal fixed frequency oscillator (260KHz) or an externally supplied clock in the range of 280KHz to 400kHz, allowing the use of smaller components. Стандартный катушка индуктивности, используемый в серии LM2670, доступен от нескольких производителей, что значительно упрощает процесс проектирования. An external synchronous clock provides direct and precise control of output ripple frequencies for consistent filtering or spectral positioning.

Серия LM2670 также оснащена встроенным тепловым отключением, ограничением тока, входом управления ВКЛ/ВЫКЛ и может регулировать состояние ожидания с низким током покоя 50 мкА вверх и вниз. The output voltage is guaranteed to a tolerance of ± 2%.


apply

  • Simple design, high efficiency (> 90%), step-down switching regulator
  • Efficient system pre-regulator linear regulator
  • Battery charger
  • Радиоаппаратура для связи и синхронизации тактовой частоты, регуляторы напряжения

andLM2670SDX-5.0Related ICs are:


Model Manufacturers lot number encapsulation illustrate
LM2670SDX-5.0 NSC 10+ QFN Buck high efficiency 3A regulator is synchronized
LM2670SDX-12 NSC 10+ TO-263-7 High efficiency 500mA buck regulator for power converters
LM2670SDX-3.3 NSC 09+ LLP High efficiency 500mA buck regulator for power converters
LM2670SDX-ADJ NSC 09+ LLP-14 High efficiency 500mA buck regulator for power converters

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