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LED5000 - 3A monolithic step-down current source

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General Description

The LED5000 device is an 850 kHz fixed switching frequency monolithic step-down DC-DC converter designed to operate as a precise constant current source with an adjustable current capability up to 3 A DC.

The embedded PWM dimming circuitry

Overview

LED5000 3 A monolithic step-down current source with dimming capability Datasheet - production.

Key Features

  • 5.5 V to 48 V operating input voltage range.
  • 850 kHz fixed switching frequency.
  • 200 mV typ. current sense voltage drop.
  • Buck / buck-boost / floating boost topologies.
  • PWM dimming.
  • ± 3% output current accuracy overtemperature.
  • 200 mΩ typical RDSON.
  • Peak current mode architecture.
  • Short-circuit protection.
  • Compliant with ceramic output capacitors.
  • Inhibit for zero current consumption.
  • Thermal shutdown.

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