BW73series LED Illumination Solution

LED product topology

  • DC-DC technology platform, including topology of BUCK, BOOST, BUCK-BOOST
  • AC-DC technology platform, including topology of flyback (SSR/PSR), forward, LLC etc.
  • PFC technology platform, including PSR+PFC

LED Driver Solution

  Output
Power
max (W)
PFC Constant
Current
(+/-)
Topology Operation
Mode
Universal MOSFET Dimming Package Note
BW7383 30W >0.9 2% Buck BCM Y N N SOT-26  
BW7385 30W >0.9 2% Buck BCM Y N N SOT-26 THD and Efficiency ADJ
by external Resistor
BW7373 60W >0.9 2% PSR BCM Y N N SOT-26 Adjustable
Start-up time

LED Driver Solution BW7373

6 PIN Primary-side current control IC with High PFC

FEATURES

  • Universal 90VAC to 264VAC Input Range
  • Adjustable start-up time by Rstr without OVP issue
  • Low THD operation by BCM mode
  • LED current accuracy without thermal issue
  • Open-LED Protection on DMG pin
  • Over-Voltage Protection on VCC pin
  • Over-Temperature Protection
  • Short-LED Protection
  • Cycle by Cycle Over current protection on CS pin

Non-ISO LED Driver/ Active PFC BW7383/ BW7385

BW7383 Universal Non-ISO LED Driver with Active PFC (Buck)

FEATURES

  • Universal 90VAC to 264VAC Input Range
  • Low BOM Cost
  • SOT26 Package Available
  • LED Open Protection (OVP)
  • Over Current Protection(OCP)
  • Over-Temperature Protection
  • Short-LED Protection
  • Good Line and Load Regulation
  • High efficiency by BCM mode

Active PFCUniversal and BCM Mode

BW7385 THD Adjustable LED Driver with Active PFC (Buck)

BW7383 Universal Non-ISO LED Driver with Active PFC (Buck)

FEATURES

  • THD and Efficiency adjustable by RT Pin
  • Low THD <15% (ADJ)
  • Low BOM Cost (DR Code Inductor)
  • High power factor (>0.9)
  • Over Current Protection(OCP)
  • Over-Temperature Protection
  • LED Short Protection(SCP)
  • Good Line and Load Regulation
  • Boundary Current Mode Control

Low THD<15% (ADJ) Low BOM Cost DR Code Inductor

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