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TPS54040-Q1 - 42-V Step Down DC/DC Converter

General Description

The TPS54040-Q1 device is a 42-V 0.5-A step-down regulator with an integrated high-side MOSFET.

Current mode 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.

Key Features

  • 1 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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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS54040-Q1 SLVSA26E – JANUARY 2010 – REVISED JUNE 2015 TPS54040-Q1 0.5-A 42-V Step-Down DC-DC Converter With Eco-Mode™ 1 Features •1 Qualified for Automotive Applications • 3.5-V to 42-V Input Voltage Range • 200-mΩ High-Side MOSFET • High Efficiency at Light Loads with a 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 and 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.