LTC3216
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Product details are welcome upon request

LTC3216

  • Category:LED driver
  • Product Name:1A low noise high current LED charge pump with independent flashlight/flash current control
  • Manufacturers:LT
  • Production Batch Number:11+
  • Encapsulation:DFN
  • Stock Status:There is stock
  • Stock Quantity:2000
  • Minimum order quantity: 1
  • Details:Haga clic aquí para encontrar información en PDF sobre el LTC3216
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  • Product introduction

LTC3216

1 Una corriente alta de bajo ruido con control independiente de linterna / corriente de flashLED charge pump

peculiarity

  • Funcionamiento eficiente: modo de refuerzo 1x, 1.5x o 2x con cambio automático de modo
  • Ultra-low dropout ILEDCurrent control
  • Corriente de salida de hasta 1A
  • Low noise constant frequency operation
  • Configuración independiente de baja/alta corriente y habilitar pines
  • Wide VINRange: 2.9V to 4.4V
  • Open/short LED protection
  • La desconexión del LED se implementa en modo de apagado
  • Baja corriente de apagado: 2.5uA
  • Precisión de ajuste de corriente del LED: 4%
  • La función de arranque suave automático limita la corriente de entrada
  • No inductors
  • Pequeño circuito de aplicación (todos los componentes están en altura).
  • Paquete DFN de 3 mm x 4 mm y 12 pines

description

LTC®El 3216 es un convertidor CC/CC de bomba de carga de alta corriente y bajo nivel de ruido diseñado para alimentar LED de alta corriente. El dispositivo incluye una fuente de corriente programable precisa capaz de conducir cargas de hasta 1A desde una entrada de 2.9V a 4.4V. Bajo número de componentes externos (dos condensadores de puente, dos resistencias de programación, yVINy dos condensadores de derivación en el pin CPO) hacen que el LTC3216 sea ideal para aplicaciones pequeñas alimentadas por batería.

Un circuito de arranque suave incorporado evita una corriente de entrada excesiva durante el arranque. La alta frecuencia de conmutación permite el uso de pequeños condensadores externos. Los puntos de ajuste independientes de corriente alta y baja se establecen mediante dos resistencias externas. El modo de apagado y el nivel de salida actual se seleccionan a través de dos entradas lógicas.

Una fuente de corriente de caída ultra baja a un nivel muy bajoILED La corriente LED precisa se mantiene en condiciones de voltaje. La función de conmutación automática de modo monitorea el voltaje a través de la fuente de corriente LED y solo cuando se detectaILED La eficiencia se optimiza mediante la conmutación de modos a presión diferencial. El LTC3216 está disponible en un pequeño paquete DFN de 3 mm × 4 mm y 12 conductores

apply

  • LED flashlight/camera lamp power supply for cell phones, PDAs, and digital cameras
  • General lighting and/or flash/strobe observer applications
  •  

andLTC3216Related ICs are:


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C3216JF1H101K TDK Corporation of America 16+ Ceramic capacitors 101K 50V foot pitch 5.00
CMI321609X100KT Fenghua Hi-Tech 13+ 1206 10uh inductor brand new original imported stock supply
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LTC3216 LT 11+ DFN 1A low noise high current LED charge pump with independent flashlight/flash current control
C3216X7R1E155K TDK 10+ NA 1UF, 10%, 25V, 1206, IND
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C3216X5R0J226MT TDK 10+ N/A 全新原装进口,香港现货
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C3216X5R0J106M TDK 10+ N/A 全新原装进口,香港现货
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C3216X7R1C106KT TDK 10+ N/A 全新原装进口,香港现货
C3216X5R0J476M TDK 10+ N/A 全新原装进口,香港现货
C3216X5R1A106KT TDK 10+ N/A 全新原装进口,香港现货
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