LM3478EVAL

High Efficiency Low-Side N-Channel Controller for Switching Regulator

LM3478EVAL

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Overview

High Efficiency Low-Side N-Channel Controller for Switching Regulator

Features
  • 8-lead Mini-SO8 (MSOP-8) package
  • Internal push-pull driver with 1A peak current capability
  • Curent limit and thermal shutdown
  • Frequency compensation optimized with a capacitor and a resistor
  • Internal soft start
  • Current mode operation
  • Undervoltage lockout with hysteresis

 

AC/DC & DC/DC controllers (external FET)
LM3478 2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller
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Evaluation board

LM3478EVAL/NOPB — High Efficiency Low-Side N-Channel Controller for Switching Regulator

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Calculation tool

LM3478-88-SEPIC-CALC — LM3478-88 quick start calculator for SEPIC

Supported products & hardware
Download

LM3478-88-SEPIC-CALC LM3478-88 quick start calculator for SEPIC

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Latest version
Version: V1.0.0
Release date: 31 Oct 2024

Checksum
Products
AC/DC & DC/DC controllers (external FET)
LM3478 2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller LM3478Q-Q1 40-V wide VIN low-side N-channel controller for switching regulators with 10-µA shutdown current LM3488 2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching Regulators LM3488Q-Q1 40-V wide VIN low-side N-channel controller for switching regulators with 5-µA shutdown current
Hardware development
Evaluation board
LM3478EVAL High Efficiency Low-Side N-Channel Controller for Switching Regulator

Release Infomation

The LM3478-88 quick start calculator for SEPIC tool supports the initial calculation of the SEPIC power stage and of the necessary external components for a SEPIC converter using LM3478 or LM3488 as regulation IC.

What's new

  • Initial version
Calculation tool

LM3478-88-BOOST-CALC — LM3478-88 quick start calculator for boost

Supported products & hardware
Download

LM3478-88-BOOST-CALC LM3478-88 quick start calculator for boost

close
Latest version
Version: 1.0.0
Release date: 25 Jun 2024

LM3478-88 quick start calculator for boost

Checksum
Products
AC/DC & DC/DC controllers (external FET)
LM3478 2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller LM3478Q-Q1 40-V wide VIN low-side N-channel controller for switching regulators with 10-µA shutdown current LM3488 2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching Regulators LM3488Q-Q1 40-V wide VIN low-side N-channel controller for switching regulators with 5-µA shutdown current
Hardware development
Evaluation board
LM3478EVAL High Efficiency Low-Side N-Channel Controller for Switching Regulator

Release Infomation

The LM3478-88 quick start calculator for boost tool supports the initial calculation of the boost power stage and of the necessary external components for a boost converter using LM3478 or LM3488 as regulation IC.

Initial version

Calculation tool

LM3478-88-FLYBACK-CALC — LM3478-88 quick start calculator for Flyback

Supported products & hardware
Download

LM3478-88-FLYBACK-CALC LM3478-88 quick start calculator for Flyback

close
Latest version
Version: 1.0.0
Release date: 18 Dec 2024
download LM3478-88_Quickstart_Flyback_V1_0_0.zip  — 4908 K

Checksum
Products
AC/DC & DC/DC controllers (external FET)
LM3478 2.97~40V Wide Input Range Boost/SEPIC/Flyback DC-DC Controller LM3478Q-Q1 40-V wide VIN low-side N-channel controller for switching regulators with 10-µA shutdown current LM3488 2.97V to 40V Wide Vin Low-Side N-Channel Controller for Switching Regulators LM3488Q-Q1 40-V wide VIN low-side N-channel controller for switching regulators with 5-µA shutdown current
Hardware development
Evaluation board
LM3478EVAL High Efficiency Low-Side N-Channel Controller for Switching Regulator

Release Infomation

The LM3478-88 quick start calculator for Flyback topology supports the initial calculation of the power stage and of the necessary external components for a Flyback converter using LM3478 or LM3488 as regulation IC.

What's new

  • initial version
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate LM3478EVAL/NOPB EU Declaration of Conformity (DoC) 02 Jan 2019
User guide AN-1204 LM3478/LM3488 Evaluation Board (Rev. A) 30 Oct 2013

Support & training

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