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LM25117 - Wide Input Range Synchronous Buck Controller

General Description

The LM25117 is a synchronous buck controller intended for step-down regulator applications from a high voltage or widely varying input supply.

The control method is based upon current mode control utilizing an emulated current ramp.

Key Features

  • 1 LM25117-Q1 is Qualified for Automotive.

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LM25117-Q1 Wide Input Range Synchronous Buck Controller
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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 LM25117, LM25117-Q1 SNVS714F – APRIL 2011 – REVISED AUGUST 2015 LM25117/Q1 Wide Input Range Synchronous Buck Controller With Analog Current Monitor 1 Features •1 LM25117-Q1 is Qualified for Automotive Applications • AEC-Q100 Qualified With the Following Results: – Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range • Emulated Peak Current Mode Control • Wide Operating Range from 4.5 V to 42 V • Robust 3.3 A Peak Gate Drives • Adaptive Dead-time Output Driver Control • Free-run or Synchronizable Clock up to 750 kHz • Optional Diode Emulation Mode • Programmable Output from 0.8 V • Precision 1.