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

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.

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Product Detail

 
Part Number | BD6072HFN-TR
Status | Recommended
Package | HSON8
Unit Quantity | 3000
Minimum Package Quantity | 3000
Packing Type | Taping
RoHS | 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]

0.35

Vout(Max.)[V]

18.0

Frequency(Max.)[MHz]

1.0

LED Configuration

4

LDO

No

Auto Luminous Control

No

Synchronous

Yes

Integrated FET

Yes

Dimming

PWM / Analog

Peak Efficiency[%]

86

Iq(Typ.)[mA]

1.1

Ishutdown(Typ.)[µA]

0.1

Operating Temperature (Min.)[°C]

-30

Operating Temperature (Max.)[°C]

85

Package Size [mm]

2.9x3(t=0.6)

Features:

・Boost DC/DC converter
・Adjustment of brightness by external PWM pulse
・Possible to driving 4 LEDs
・Soft start function
・Synchronous rectification Boost DC/DC converter
・No external schottky diode required
・Output Open • Short protect
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Technical Articles

Schematic Design & Verification

  • Importance of Probe Calibration When Measuring Power: Deskew
  • Impedance Characteristics of Bypass Capacitor

Thermal Design

  • What Is Thermal Design
  • Method for Calculating Junction Temperature from Transient Thermal Resistance Data
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