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TPS65266 Datasheet 3-A/2-A/2-A Output Current Triple Synchronous Step-Down Converter

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS65266 SLVSCT9B – NOVEMBER 2014 – REVISED JANUARY 2015 TPS65266 2.7- to 6.

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General Description

The TPS65266 incorporates 3 channels of highefficiency synchronous buck converter for applications operating off the adaptor or battery with input voltage lower than 6.5 V.

SPACE Simplified Application Schematic Vin VINx LX1 Vout1 TPS65266 VINQ FB1 LX2 Vout2 PGOOD ENx SSx ROSC FB2 LX3 Vout3 AGND PGND FB3 The buck DC/DC converter integrates power MOSFETs for optimized power efficiency and reduces external component counts.

The peak current mode control simplifies the compensation and fast transient response.

Key Features

  • 1 Operating Input Voltage Range 2.7 to 6.5 V.
  • Feedback Reference Voltage 0.6 V ±1%.
  • Maximum Continuous Output Current 3 A/2 A/2 A.
  • Dedicated Enable and Soft Start.
  • Accurate Start-Up Timing Control With Enable Pins Discharge.
  • Forced Continuous Current (FCC) Mode at Light Load.
  • Cycle-by-Cycle Current Limiting With Hiccup Mode Overcurrent Protection.
  • Adjustable Clock Frequency 250 kHz to 2.4 MHz.
  • External Clock Synchro.

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