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TPS92511 Datasheet 65-v Common Anode Constant Current Buck Led Driver

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS92511 SNVS901A – MARCH 2014 – REVISED MAY 2014 TPS92511 500-mA, 65-V Common Anode Constant Current Buck LED Driver Without External.

General Description

The TPS92511 is an easy to use 65V constant current buck converter for driving a single LED string with current up to 0.5A and efficiency up to 95%.

Only 5 external components are required for basic operation and single layer PCB layout is feasible because of the integration of a N-MOSFET, no external current sensing resistor, no external compensation and the proper terminal assignment.

A high-value external resistor programs the LED current so that fine tuning of the LED current can be achieved.

Key Features

  • 1 Wide Input Voltage Range: 4.5 V to 65 V.
  • Requires NO External Current Sensing Resistor.
  • Requires NO External Loop Compensation.
  • Ease of Use, Needs Minimum 5 Components.
  • 1000:1 Contrast Ratio Feasible.
  • Single Layer PCB Feasible.
  • Can Work as High Voltage Buck Regulators.
  • Can Work as Linear Current Shunt Regulators.
  • Integrated Low-side N-channel MOSFET.
  • LED Current Programmable up to 0.5 A.
  • Typicall.

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