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White LED Driver with Synchronous Boost Converter and PWM Brightness Control for up to 3 LEDs in Series - BD6071HFN

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. BD6071HFN suited over voltage and over current limit from BD6072HFN.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BD6071HFN-TR Active HSON8 3000 3000 Taping Yes
 
Specifications:
Topology Boost
Number of Outputs 1
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] 0.265
Vout(Max.)[V] 14.0
Frequency(Max.)[MHz] 1.0
LED Configuration 3
LDO No
Auto Luminous Control No
Synchronous Yes
Integrated FET Yes
Dimming PWM / Analog
Peak Efficiency[%] 88
Iq(Typ.)[mA] 1.1
Ishutdown(Typ.)[µA] 0.1
Operating Temperature (Min.)[°C] -30
Operating Temperature (Max.)[°C] 85
Features:
  • ・Boost DC/DC converter
    ・Adjustment of brightness by external PWM pulse
    ・Possible to driving 3 LEDs
    ・Soft start function
    ・Synchronous rectification Boost DC/DC converter
    ・No external schottky diode required
    ・Output Open • Short protect
 
 
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Technical Data
Application Note

Thermal Resistance