Diodes Incorporated

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White LED Step-Up Converter

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This is a Boost LED driver designed drive white LED with constant current. It can drive 2 ~ 6 LED in a series connection from a single Li-Ion cell ensuring uniform brightness in small screen backlighting applications. The device also supports a single feedback of parallel connected multiple strings of LEDs for driving higher number of LEDs. It is available in SOT26, low profile TSOT26 and the extremely thin and small footprint U-DFN2020-6 Type C.


  • Portable Navigation Device/GPS receiver,
  • PMP4 player,
  • Portable Media Players,
  • Digital Photo Frames,
  • Digital Radio Displays,
  • Mobile phones/PDA

Product Specifications

Product Parameters

AEC Qualified No
Compliance (Only Automotive supports PPAP) Standard
Function PWM Boost LED Driver
MinimumInput Voltage (V) 2.7 V
MaximumInput Voltage (V) 5.5 V
Maximum Output Voltage (V) 26 V
Number of Regulated Output Channels 1
Maximum Output Current per Channel 40 mA
Typical Over-Current Protection Current 750 mA
Switching Frequency (kHz) 1.4 MHz
Efficiency (%) 84 %
Quiescent Current (µA) 2 mA
Standby Quiescent Current (µA) 1 µA
SW RDS(ON) 0.75 Ω
Dimming PWM
Soft Start Yes
VFB 250 V
OperatingTemperatureRange  (°C) -40 to 85 °C

Technical Documents

MDS Reports

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