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reference designLMR51420 | Demoboard LMR51420EVM

Texas Instruments LMR51420 | Demoboard LMR51420EVM

LMR51420 SIMPLE SWITCHER® Power Converter 4.5-V to 36-V, 2-A, Synchronous Buck Converter in a SOT-23 Package

Overview

TopologyBuck Converter
Input voltage4.5-36 V
Output 15 V / 2 A

Description

The Texas Instruments LMR51420EVM evaluation module (EVM) helps designers evaluate the operation and performance of the LMR51420 wide-input buck regulator. This document describes the setup,input/output connections of the EVM, board layout, schematic, and bill of materials.

Features

  • 4.5-V to 36-V input voltage range
  • Default 5-V output
  • Up to 2-A output current
  • 500-kHz switching frequency
  • Hiccup mode short current protection
  • Internal compensation

Typical applications

  • Major appliances
  • General purpose wide VIN power supplies
  • Grid infrastructure
  • Building automation

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC max.(mΩ)
fres(MHz)
Mount
SamplesAvailability & Sample
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74437349100
SPECWE-LHMI SMT Power Inductor, 10 µH, 4.05 A
Simu­lation
Availability
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Downloads9 files

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance10 µH
Performance Rated Current4.05 A
Saturation Current @ 10%5.6 A
Saturation Current @ 30%10.5 A
DC Resistance69 mΩ
Self Resonant Frequency12 MHz
MountSMT 
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