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TPS92640 - Synchronous Buck Controllers

Description

The TPS92640 and TPS92641 devices are highvoltage, synchronous NFET controllers for buckcurrent regulators.

Output current regulation is based on valley current-mode operation using a controlled on-time architecture.

Features

  • 1 VIN Range from 7 V to 85 V.
  • Wide Dimming Range.
  • 500:1 Analog Dimming.
  • 2500:1 Standard PWM Dimming.
  • 20000:1 Shunt FET PWM Dimming.
  • Adjustable LED Current Sense Voltage.
  • 2-Ω, 1-Apeak MOSFET Gate Drivers.
  • Shunt Dimming MOSFET Gate Driver (TPS92641).
  • Programmable Switching Frequency.
  • Precision Voltage Reference 3 V ±2%.
  • Input UVLO and Output OVP.
  • Low Power Shutdown Mode and Thermal Shutdown.

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Datasheet preview – TPS92640

Datasheet Details

Part number TPS92640
Manufacturer Texas Instruments
File Size 1.69 MB
Description Synchronous Buck Controllers
Datasheet download datasheet TPS92640 Datasheet
Additional preview pages of the TPS92640 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS92640, TPS92641 SNVS902A – OCTOBER 2012 – REVISED OCTOBER 2015 TPS9264x Synchronous Buck Controllers for Precision Dimming LED Drivers 1 Features •1 VIN Range from 7 V to 85 V • Wide Dimming Range – 500:1 Analog Dimming – 2500:1 Standard PWM Dimming – 20000:1 Shunt FET PWM Dimming • Adjustable LED Current Sense Voltage • 2-Ω, 1-Apeak MOSFET Gate Drivers • Shunt Dimming MOSFET Gate Driver (TPS92641) • Programmable Switching Frequency • Precision Voltage Reference 3 V ±2% • Input UVLO and Output OVP • Low Power Shutdown Mode and Thermal Shutdown 2 Applications • LED Driver / Constant Current Regulator • Architectural LED Lighting Drivers • Automotive LED Drivers • General LED Illumination 3 Descrip
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