White LED Driver with Synchronous Boost Converter and PWM Brightness Control for up to 4 LEDs in Series - BD6072HFN

Switching Regulator type LED Driver Series for small LCD backlight are boost DC/DC converters possible to drive the white LEDs at constant. It is possible that turning on white LED steadily by a series connection which has no current variation, and by a fast transient response with current mode. With synchronous rectification (no external schottky diode required) and small package, they can save mount space.

Part NumberStatusPackageUnit QuantityMinimum Package QuantityPacking TypeRoHS
BD6072HFN-TRActiveHSON830003000TapingYes

BD6072HFN Data Sheet

Specifications
TopologyBoost
Number of Outputs1
Vin(Min.)[V]2.7
Vin(Max.)[V]5.5
Output Current(Max.)[mA]35.0
Per Channel Drive(Max.)[mA]35.0
Switch Current Limit(Typ.)[A]0.35
Vout(Max.)[V]18.0
Frequency(Max.)[MHz]1.0
LED Configuration4
LDONo
Auto Luminous ControlNo
SynchronousYes
Integrated FETYes
DimmingPWM / Analog
Peak Efficiency[%]86
Iq(Typ.)[mA]1.1
Ishutdown(Typ.)[µA]0.1
Operating Temperature (Min.)[°C]-30
Operating Temperature (Max.)[°C]85
Applications
  • Portable Data Terminal
  • Coin Processing Machines
  • Air-conditioner
  • Digital Multimeter: Handy Type
  • Blood Pressure Monitor
  • Digital Multimeter: Bench Type
  • Display for EMS
  • CPAP
  • Smartphone / Tablet PCs
  • Electric Bike
Technical Documents
Pin Configuration
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Application Note BA12004BF
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Part Explanation BA12004BF
Package Information BD6072HFN