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LTC3212
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LTC3212

  • 所属类别：LED驱动
  • 产品名称：RGB LED驱动器和电荷
  • 厂商：LT
  • 生产批号：11+
  • 封装：DFN
  • 库存状态：有库存
  • 库存量：20000
  • 最低订购量：1
  • 详细资料：点击查找LTC3212的pdf资料
  • 点击询价
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  • Product Introduction

LTC3212RGB LED driver and charge

peculiarity

  • Power and Current Control for Driving RGB LEDs Drive the power and current control of RGB LEDs
  • Individually Programmable Current Sources
  • 1x or 2x mode, low noise, constant frequency charge pump
  • Single Wire Enable Control for All LEDs
  • White Mode Adjusts R, G, B Currents for White Light
  • 25mA Maximum LED Current
  • VIN Range: 2.7V to 5.5V VIN Range: 2.7V to 5.5V
  • Automatic Soft-Start, Mode Switching and Output Disconnect in Shutdown Mode
  • Available in 12-Lead (3mm × 2mm) DFN Package is available in 12-lead (3mm×2mm) DFN packages
  • description The LTC3212 is a low noise charge pump RGB LED driver capable of driving three LEDs up to 25mA each from a 2.7V to 5.5V input. LTC3212 is a low-noise charge-pumped RGB LED driver capable of driving three LEDs from 2.7V to 5.5V inputs up to 25mA each. Low external part count (one flying capacitor, two bypass capacitors and one to three programming resistors) makes the LTC3212 ideally suited for small, battery-powered The low number of external components (one jumper capacitor, two bypass capacitors, and one to three years of programming resistors) makes LTC3212 ideal for small, battery-powered applications. Built-in soft-start circuitry prevents excessive inrush current during start-up and mode switching. High switching frequency enables the use of small external capacitors. The charge pump shuts down to a high impedance mode to prevent LED leakage while the LTC3212 is off LTC3212. Each LED may be individually turned on or off via a single pin interface. The current through the LEDs may be individually programmed with resistors or may share a single programming resistor. White mode adjusts the red, green and blue LED current ratios for a white light when all three LEDs are programmed to be on. LED currents are regulated using internal low dropout current sources. Automatic mode switching optimizes effi ciency by monitoring the LED current drivers and switches mode only when dropout is detected. The part is available in a 3mm × 2mm 12-lead DFN package× apply Cellular Phones Media Players RGB Back Lights RGB backlight

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A3212ELHLT-T ALLEGRO 10+ N/A Brand new original import, Hong Kong spot
REF3212AIDBVR TI 10+11+ SOT23-6 A 1.25V (bandgap) voltage reference series with a 1.25V output of 100uA of temperature drift quiescent current in a SOT23-6 package
BTS43212 Siemens 02+ TO-263 Brand new original
uPSD3212CV-24U6 ST 08+ TQFP-80 8-bit 51 series microcontroller, dual FALSH structure, support online programming, 16PLD macro unit
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