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TPS54283 Datasheet 2-a Dual Non-synchronous Converter

Manufacturer: Texas Instruments

Overview: TPS54283, TPS54286 www.ti.com SLUS749C – JULY 2007 – REVISED OCTOBER 2007 2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE.

General Description

TPS54283 and TPS54286 are dual output non-synchronous buck converters capable of supporting 2-A output applications that operate from a 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage.

With internally-determined operating frequency, soft start time, and control loop compensation, these converters provide many

Key Features

  • 1.
  • 23 4.5-V to 28-V Input Range.
  • Output Voltage Range 0.8 V to 90% of Input Voltage.
  • Output Current Up to 2 A.
  • Two Fixed Switching Frequency Versions:.
  • TPS54283: 300 kHz.
  • TPS54286: 600 kHz.
  • Two Selectable Levels of Overcurrent Protection (Output 2).
  • 0.8-V 1.5% Voltage Reference.
  • 2.1-ms Internal Soft Start.
  • Dual PWM Outputs 180° Out-of-Phase.
  • Ratiometric or Sequential Startup Modes Selectable by a Si.

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