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Home » NEWEST Products » New by Manufacturer » STMicroelectronics » STM LED200x Step-Down DC-DC Converter
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STMicroelectronics LED2000 Monolithic Step-Down DC-DC Converter

STMicroelectronics LED200x Monolithic
Step-Down DC-DC Converter

STMicroelectronics LED200x Monolithic Step-Down DC-DC Converter is an 850 kHz step-down DC-DC converter designed to operate as precise constant current source with an adjustable current capability up to 3 A DC. The embedded PWM dimming circuitry features LED brightness control. The size of the overall application is minimized thanks to the high switching frequency and ceramic output capacitor compatibility. The device is fully protected against thermal overheating, overcurrent and output short-circuit.

Features
  • 3.0 V to 18 V operating input voltage range
  • 850 kHz fixed switching frequency
  • 100 mV typ. current sense voltage drop
  • PWM dimming
  • ± 7% output current accuracy
  • Synchronous rectification
  • 95 mΩ HS / 69 mΩ LS typical RDS(on)
  • Peak current mode architecture
  • Embedded compensation network
  • Internal current limiting
  • Ceramic output capacitor compliant
  • Thermal shutdown

Applications
  • High brightness LED driving
  • Halogen bulb replacement
  • General lighting
  • Signage

Additional Resources

Datasheet LED2000 Datasheet
LED2000 Product Info
Datasheet LED2001 Datasheet
LED2001 Product Info
Block Diagram
Block Diagram
Typical Application Circuit
Typical Application Circuit
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