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LM5121 - Wide Input Synchronous Boost Controller

Datasheet Summary

Description

The LM5121 is a synchronous boost controller intended for high-efficiency, high-power boost regulator applications.

The control method is based upon peak current mode control.

Current mode control provides inherent line feed-forward, cycle-bycycle current limiting and ease of loop compensation.

Features

  • 1 AEC-Q100 Qualified with the following results:.
  • Device Temperature Grade 1: -40°C to +125°C Ambient Operating Temperature Range.
  • Device HBM ESD Classification Level 2.
  • Device CDM ESD Classification Level C6.
  • Maximum Input Voltage: 65 V.
  • Min Input Voltage: 3.0 V (4.5 V for startup).
  • Output Voltage Up to 100 V.
  • Bypass (VOUT = VIN) Operation.
  • 1.2-V Reference with ±1.0% Accuracy.
  • Free-Run/Synchronizable up to.

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Datasheet preview – LM5121

Datasheet Details

Part number LM5121
Manufacturer Texas Instruments
File Size 2.97 MB
Description Wide Input Synchronous Boost Controller
Datasheet download datasheet LM5121 Datasheet
Additional preview pages of the LM5121 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM5121, LM5121-Q1 SNVS963C – SEPTEMBER 2013 – REVISED JUNE 2016 LM5121/-Q1 Wide Input Synchronous Boost Controller with Disconnection Switch Control 1 Features •1 AEC-Q100 Qualified with the following results: – Device Temperature Grade 1: -40°C to +125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C6 • Maximum Input Voltage: 65 V • Min Input Voltage: 3.0 V (4.5 V for startup) • Output Voltage Up to 100 V • Bypass (VOUT = VIN) Operation • 1.2-V Reference with ±1.
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