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TPS51518 Datasheet Single Phase D-cap/d-cap2 Controller

Manufacturer: Texas Instruments

Overview: TPS51518 www.ti.com SLUSAO8 – DECEMBER 2011 Single-Phase, D-CAP™ and D-CAP2™ Controller with 2-Bit Flexible VID Control Check for Samples:.

General Description

The TPS51518 is a single phase, D-CAP™/ D-CAP2™ synchronous buck controller with 2-bit VID inputs which can select up to four independent externally programmable output voltage levels where full external programmability in the voltage level, step setting and voltage transition slew rate is desired.

It is used for GFX applications where multiple voltage levels are desired.

The TPS51518 supports all POS/SPCAP and/or all ceramic MLCC output capacitor options in applications where remote sense is a requirement.

Key Features

  • 1.
  • 2 Differential Voltage Feedback.
  • DC Compensation for Accurate Regulation.
  • Wide Input Voltage Range: 3 V to 28 V.
  • Flexible, 2-Bit VID Supports Output Voltage from 0.5 V to 2.0 V.
  • Adaptive On-Time Modulation with Selectable Control Architecture.
  • D-CAP™ Mode at 350 kHz for Fast Transient Response.
  • D-CAP2™ Mode at 350 kHz for Ultra-Low/Low ESR Output Capacitor.
  • 4700 ppm/°C, Low-Side RDS(on) Current Sensing.
  • Programmab.

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