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LM25117-Q1 - Wide Input Range Synchronous Buck Controller

Download the LM25117-Q1 datasheet PDF. This datasheet also covers the LM25117 variant, as both devices belong to the same wide input range synchronous buck controller family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LM25117-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
LM25117 Wide Input Range Synchronous Buck Controller
LM25115 Secondary Side Post Regulator Controller
LM25115A Secondary Side Post Regulator/DC-DC Converter
LM25116 Wide-Range Synchronous Buck Controller
LM25118 Wide Voltage Range Buck-Boost Controller

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.

View original datasheet text
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.