LT3466-1

PRODUCTION

White LED Driver and Boost Converter in 3mm x 3mm DFN Package

Part Models
2
1ku List Price
Starting From $2.42
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Part Details

  • Drives Up to 10 White LEDs from a 3.6V Supply
  • Two Independent Step-Up DC/DC Converters
  • Independent Dimming and Shutdown Control of the Outputs
  • ±1.5% Output Voltage Accuracy (Boost Converter)
  • ±4% LED Current Programming Accuracy
  • Internal Schottky Diodes
  • Internal Soft-Start Eliminates Inrush Current
  • Output Overvoltage Protection (39.5V Max VOUT)
  • Fixed Frequency Operation Up to 2MHz
  • 83% Efficiency Driving 8 White LEDs at 15mA from a 3.6V Supply
  • Wide Input Voltage Range: 2.7V to 24V
  • Tiny (3mm × 3mm) 10-Lead DFN Package
LT3466-1
White LED Driver and Boost Converter in 3mm x 3mm DFN Package
Li-Ion Powered Driver for 6 White LEDs and OLED Display Conversion Efficiency Product Package 1
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Documentation

Data Sheet

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Tools & Simulations

LTspice

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Evaluation Kits

eval board
DC915A

LT3466EDD-1 Demo Board | Boost LED Driver Plus LCD Bias Supply, 2.7V ≤ VIN ≤ 14V, VLED up to 34V @ 15mA, VLCD Bias = ±15V @ 10mA

Product Details

Demonstration circuit DC915 features the LT3466-1 high efficiency boost white LED driver and a step-up converter. There is one LED driver output for 6 or 8 WLEDs and a separate DC/DC converter that generates outputs for the LCD bias. VO1 drives 8 LEDs in series with 15mA LED current and VO2/VO3 can delivery ±15V at 10mA current. If the charge-pump circuitry which generates VO3 is removed (C4, C5 and D1), VO2 can deliver over 35mA of current. The input voltage range is 3V to 14V, but can go as low as 2.7V with slightly reduced output current.

DC915A
LT3466EDD-1 Demo Board | Boost LED Driver Plus LCD Bias Supply, 2.7V ≤ VIN ≤ 14V, VLED up to 34V @ 15mA, VLCD Bias = ±15V @ 10mA
DC915A - Schematic

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