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TPS54140-Q1 - 42-V Step-Down DC-DC Converter

Description

The TPS54140-Q1 device is a 42-V 1.5-A step-down regulator with an integrated high-side MOSFET.

Currentmode control provides simple external compensation and flexible component selection.

A low-ripple pulse-skip mode reduces the no load, input supply current to 116 μA.

Features

  • 1.
  • 2 Qualified for Automotive.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TPS54140-Q1 www.ti.com SLVSA24C – OCTOBER 2009 – REVISED AUGUST 2012 1.5-A 42-V STEP-DOWN SWIFT™ DC/DC CONVERTER WITH Eco-mode™ CONTROL Check for Samples: TPS54140-Q1 FEATURES 1 •2 Qualified for Automotive Applications • 3.5-V to 42-V Input Voltage Range • 200-mΩ High-Side MOSFET • High Efficiency at Light Loads With Pulse- Skipping Eco-mode™ Control Scheme • 116-μA Operating Quiescent Current • 1.3-μA Shutdown Current • 100-kHz to 2.5-MHz Switching Frequency • Synchronizes to External Clock • Adjustable Slow Start/Sequencing • Undervoltage and Overvoltage Power-good Output • Adjustable Undervoltage Lockout Voltage and Hysteresis • 0.8-V Internal Voltage Reference • Supported by SwitcherPro™ Software Tool (http://focus.ti.com/docs/toolsw/folders/print/s witcherpro.
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