Datasheet4U Logo Datasheet4U.com

LM5145 - Synchronous Buck DC-DC Controller

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.

Features

  • 2.

📥 Download Datasheet

📁 Similar Datasheet

  • LM5100 - High Voltage High Side and Low Side Gate Driver (National Semiconductor)
  • LM5100A - (LM5100x / LM5101x) High Voltage High Side and Low Side Gate Drivers (National Semiconductor)
  • LM5100B - (LM5100x / LM5101x) High Voltage High Side and Low Side Gate Drivers (National Semiconductor)
  • LM5100C - (LM5100x / LM5101x) High Voltage High Side and Low Side Gate Drivers (National Semiconductor)
  • LM5101 - High Voltage High Side and Low Side Gate Driver (National Semiconductor)
  • LM5101A - (LM5100x / LM5101x) High Voltage High Side and Low Side Gate Drivers (National Semiconductor)
  • LM5101B - (LM5100x / LM5101x) High Voltage High Side and Low Side Gate Drivers (National Semiconductor)
  • LM5101C - (LM5100x / LM5101x) High Voltage High Side and Low Side Gate Drivers (National Semiconductor)
  • LM5102 - High Voltage Half-Bridge Gate Driver (National Semiconductor)
  • LM5104 - High Voltage Half-Bridge Gate Driver (National Semiconductor)
Other Datasheets by Texas Instruments
  • LM5140-Q1 - Wide Input Range Dual Synchronous Buck Controller
  • LM5141-Q1 - Wide Input Range Synchronous Buck Controller
  • LM5143 - 3.5-V to 65-V Dual Synchronous Buck DC/DC Controller
  • LM5143-Q1 - Automotive 3.5-V to 65-V Dual Synchronous Buck Controller
  • LM5143A-Q1 - Automotive 3.5-V to 65-V Dual Synchronous Buck Controller
  • LM5146 - 100-V Synchronous Buck DC/DC Controller
  • LM5148-Q1 - Buck DC/DC Controller
  • LM5149 - DC/DC Controller

Full PDF Text Transcription

Click to expand full text
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.
Published: |