輸出數 4
類型 Constant Current
電流 - 輸出/通道 (mA) 23
電壓 - 電源 2.7-5.5
ISD(uA) 1.0
Intensity Ctrl. Pulse Count
腳位/封裝 ST = SOT23
文件 Eval Board
狀態 Prod
產品系列 31 = 商業/工業模擬
產品類別 BL = LCD背光的白色LED驅動器
IC代碼 3212
焊接 L = 無鉛
温規 S2 = 工業級 (-40ºC to 85ºC)
外包裝 卷轴包
相關IC编號
IS31BL3212-DLS2-TR

IS31BL3212-STLS2-TR 特徵

  • Ultra low headroom voltage
  • Cost effective LED driver
  • Four channel constant current output ideal for driving LEDs Best noise and efficiency performance Low shutdown current: 1.0μA (Typ.)
  • Ultra low quiescent supply current: 1.0mA (Typ.)
  • Highly integrated design, minimal component
  • White LED display backlights
  • White LED keypad backlights

概觀

The IS31BL3212 provides four regulated current sources, delivers up to 23mA of load current to accommodate four white LEDs. It requires no charge pump, has no noise and significantly improved the efficiency. The serial digital input is used to enable, disable, and set current for each LED with 16 settings down to 0.69mA. A low-current shutdown feature disconnects the load from the input and reduces quiescent current typically 1.0mA. The IS31BL3212 is available in a Pb-free, space-saving 2mm×2mm DFN-8 and SOT23-6 package.