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Home » NEWEST Products » New by Manufacturer » STMicroelectronics » STM L6520 / L6521 Smart Ballast Controllers
NEWEST Products

STMicroelectronics L6520 / L6521 Low Voltage
Smart Ballast Controllers

STMicroelectronics L6520 and L6521 Low Voltage Smart Ballast Controllers are the first highly integrated ballast controllers able to drive both MOSFETs and Bipolar Junction Transistors (BJTs), providing all the necessary protections to ensure maximum reliability of the applications in compliance with major safety and power consumption regulations. STMicroelectronics L6520 and L6521 Smart Ballast Controllers replace more expensive MOSFETs without comprising performance. These STMicroelectronics devices allow you to quickly design ballast with any kind of lamp topology/size/power without limitations. L6520 and L6521 Smart Ballast Controllers feature very accurate oscillator precision in a wide operating temperature range. These devices are designed for use in electronic ballasts and integrated CFLs.

Features
  • Half bridge circuit able to drive both BJT and MOSFET transistors
  • Very accurate oscillator precision in wide operating temperature range
  • BJTs' storage time compensation
  • Preheated start and instant start
  • Hard switching protection
  • Overcurrent / voltage protection
  • Choke saturation control
  • End-of-life protection
  • Programmable without capacitors
Applications
  • Electronic ballasts (TL, Industrial CFL)
  • Integrated CFLs

Additional Resources

Datasheet
L6520/L6521 Product Info
Block Diagram
Block Diagram
STMicroelectronics Video: L6520: future-ready ballast controller
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