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LM5145 - Synchronous Buck DC-DC Controller

General Description

The LM5145 75-V synchronous buck controller regulates from a high input voltage source or from an input rail subject to high voltage transients, minimizing the need for external surge suppression components.

Key Features

  • 2.

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Other Datasheets by Texas Instruments

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LM5140-Q1 Wide Input Range Dual Synchronous Buck Controller
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LM5143 3.5-V to 65-V Dual Synchronous Buck DC/DC 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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www.ti.com LM5145 SNVSAI4B – NOVEMBER 2017 – REVISED NOVEMLBMER52104250 SNVSAI4B – NOVEMBER 2017 – REVISED NOVEMBER 2020 LM5145 75-V Synchronous Buck DC/DC Controller With Wide Duty Cycle Range 1 Features 2 Applications • Versatile synchronous buck DC/DC controller – Wide input voltage range of 6 V to 75 V – 0.8-V reference with ±1% feedback accuracy – Adjustable output voltage from 0.8 V to 60 V – 40-ns tON(min) for high VIN / VOUT ratio – 140-ns tOFF(min) for low dropout – Optimized for CISPR 32 requirements • Switching frequency from 100 kHz to 1 MHz – SYNC In and SYNC Out capability – Selectable diode emulation or FPWM • 7.5-V gate drivers for standard VTH MOSFETs – 14-ns adaptive dead-time control – 2.3-A source and 3.