Datasheet4U Logo Datasheet4U.com

LM51571-Q1 - Boost/SEPIC/Flyback Converter

This page provides the datasheet information for the LM51571-Q1, a member of the LM5157-Q1 Boost/SEPIC/Flyback Converter family.

Description

The LM5157x-Q1 device is a wide input range, nonsynchronous boost converter with integrated 50-V, 6.5-A (LM5157-Q1) or 50-V, 4.33-A (LM51571-Q1) power switch.

The device can be used in boost, SEPIC, and flyback topologies.

The device can start up from a single-cell battery with a minimum of 2.9 V.

Features

  • AEC-Q100 qualified for automotive.

📥 Download Datasheet

Datasheet preview – LM51571-Q1

Datasheet Details

Part number LM51571-Q1
Manufacturer Texas Instruments
File Size 2.07 MB
Description Boost/SEPIC/Flyback Converter
Datasheet download datasheet LM51571-Q1 Datasheet
Additional preview pages of the LM51571-Q1 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
  • LM5157 - Boost/SEPIC/Flyback Converter
  • LM5157-Q1 - Boost/SEPIC/Flyback Converter
  • LM5150-Q1 - Wide VIN Automotive Boost Controller
  • LM51501-Q1 - Wide VIN Automotive Boost Controller
  • LM5152-Q1 - Synchronous Boost Controller
  • LM51521-Q1 - Synchronous Boost Controller
  • LM5155 - 2.2-MHz Wide Input Nonsynchronous Boost Flyback Controller
  • LM5155-Q1 - 2.2-MHz Wide Input Nonsynchronous Boost Flyback Controller

Full PDF Text Transcription

Click to expand full text
LM5157-Q1, LM51571-Q1 SNVSBK8B – OCTOBER 2020 – REVISED AUGUST 2023 LM5157x-Q1 2.2-MHz Wide VIN 50-V Boost/SEPIC/Flyback Converter with Dual Random Spread Spectrum 1 Features • AEC-Q100 qualified for automotive applications – Temperature grade 1: –40°C to +125°C TA • Functional Safety-Capable – Documentation available to aid functional safety system design • Suited for wide operating range for car battery applications – 2.9-V to 45-V input operating range – 48-V maximum output (50-V abs max) – Minimum boost supply voltage of 1.5 V when BIAS ≥ 2.9 V – Input transient protection up to 50 V – Minimized battery drain • Low shutdown current (IQ ≤ 2.6 µA) • Low operating current (IQ ≤ 700 µA) • Small solution size and low cost – Maximum switching frequency up to 2.
Published: |