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LM1770SMF
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LM1770SMF

  • Category:Low dropout linear regulator
  • Product Name:Synchronous buck controller in a low voltage SOT23 package
  • Manufacturers:NSC
  • Production Batch Number:11+
  • Encapsulation:SOT23-5
  • Stock Status:There is stock
  • Stock Quantity:8838
  • Minimum order quantity: 1
  • Details:Haga clic aquí para encontrar información en PDF sobre el LM1770SMF
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  • Product introduction

peculiarity

  • El rango de voltaje de entrada es de 2.8V a 5.5V
  • 0.8V reference voltage
  • Reclamar cualquier compensación
  • Frecuencia constante en el rango de entrada
  • Baja corriente de reposo 400μA
  • Internal soft start
  • Short-circuit protection
  • Paquete SOT-23 miniatura

illustrate

El LM1770 es un controlador de conmutación reductora síncrono altamente eficiente en un pequeño paquete SOT23. El diseño fijo del esquema de control a tiempo proporciona un componente de compensación gratuito simple, lo que permite un recuento mínimo de componentes y espacio en la placa. También utiliza una alimentación de entrada única para mantener una frecuencia constante independiente del voltaje de entrada. El LM1770 optimizado es un rango de entrada de bajo voltaje de 2.8V a 5.5V que proporciona una salida ajustable de hasta 0.8V. Al impulsar NFET PFET en el lado alto externo y el lado bajo del lado bajo, puede proporcionar eficiencias de hasta el 95%.

Se pueden adaptar tres versiones del LM1770 a las diferentes frecuencias de conmutación requeridas para la aplicación. La frecuencia de conmutación nominal es de 1000 kHz en el rango de 100 kHz.


apply

  • Diseño simple, aumento de alta eficiencia de los reguladores de conmutación
  • Stb
  • Cable modem
  • printer
  • Digital video recorder
  • server

andLM1770SMFRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LM1770SMFX NSC 10+ 6-LLP Low voltage synchronous buck controller
LM1770SMF NSC 11+ SOT23-5 Synchronous buck controller in a low voltage SOT23 package

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