NCL30388: Power Factor Corrected Quasi-Resonant Primary Side Current-Mode Controller for LED Lighting with thermal foldback

Datasheet: Power Factor Corrected LED Driver Featuring Primary Side CC / CV Control
Rev. 3 (292kB)
Product Overview
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The NCL30388 is a power factor corrected flyback controller targeting isolated constant current LED drivers. The controller operates in a quasi-resonant mode to provide high efficiency. Thanks to a novel control method, the device is able to tightly regulate a constant LED current from the primary side. This removes the need for secondary side feedback circuitry, its biasing and for an optocoupler. The device is highly integrated with a minimum number of external components. A robust suite of safety protection is built in to simplify the design.
Features   Benefits
     
  • Integrated HV start up current source
  
  • Fast startup, Low standby power & Wide output operation range
  • Digital PSR CC loop control
  
  • Constant Brightness Regulation - <±2%
  • Digital PSR CV loop control
  
  • Good start up performance at cold temperature condition
  • Digital PFC loop algorithm
  
  • Over 0.9 PF at half load 230 Vac and Under 10% THD at half load universal input
  • Valley Lock out and Frequency Foldback
  
  • High efficiency at wide input and output range
  • Secondary Diode and Output Short Protection
  
  • Avoids overheating in fault condition
  • Open and Shorted LED Protection
  
  • Robust fault handling of common LED system faults
  • VCC Undervoltage and overvoltage protection
  
  • Robust fault handling
Applications   End Products
  • Integral LED Bulbs
  • Integrated LED Drive Electronics
  • LED Light Engines
  • LED Driver Power Supplies
  
  • LED Bulbs
  • LED Power Supply Drivers
  • LED Light Engines
  • LED Tubes
  • Electronic Control Gear for LED Systems
Technical Documentation & Design Resources
Design & Development Tools (2) Package Drawings (1)
Application Notes (2) Evaluation Board Documents (5)
Data Sheets (1) Simplis Models (1)
Evaluation/Development Tool Information
Product Status Compliance Short Description Action
NCL30388LED1GEVB Active
Pb-free
NCL30388 Demo board
Product
Status
Compliance
Description
Package
MSL
Container
Budgetary Price/Unit
Type
Case Outline
Type
Temperature
Type
Qty.
NCL30388A1DR2G Active
Pb-free
Halide free
NCL30388, DSS On, 1.5 µs ZCD Blanking SOIC-7 751U 1 260 Tape and Reel 2500 $0.3855
NCL30388B1DR2G Active
Pb-free
Halide free
NCL30388, DSS Off, 1.0 µs ZCD Blanking SOIC-7 751U 1 260 Tape and Reel 2500 $0.3861
Market Leadtime (weeks) : Contact Factory
Market Leadtime (weeks) : Contact Factory
Case Outlines
751U   
Application
Diagram - Block
AutoTest
Garden Lighting - Voltage Regulation/Current Source
AutoTest
Off-Line Exterior Lighting - Voltage Regulation (Switching)
AutoTest
Off-Line Exterior Lighting - Output Rectification/Current Source
AutoTest
Off-Line Interior Lighting - Output Rectification/Current Source
AutoTest
Signage/LED Ballast - LED Driver
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