LM5574EVAL: 5V @ 500mA, 7 ~ 75 Vin

Summary

The LM5574 evaluation board is designed to provide the design engineer with a fully functional power converter based on Emulated Current Mode Control to evaluate the LM5574 regulator IC. The evaluation board provides a 5V output with a 0.5A current capability. The ultra-wide input voltage ranges from 7V to 75V. The design operates at 300kHz, a good compromise between conversion efficiency and solution size.

Specifications

Manufacturer Texas Instruments
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number LM5574EVAL-ND
Eval Board Supplier Texas Instruments
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 5 V
Current Out 500 mA
Voltage In 7 ~ 75 V
Efficiency @ Conditions >88%, 7V in, 5V @ 100 ~ 500 mA
>75%, 24V in, 5V @ 100 ~ 500 mA
>72%, 48V in, 5V @ 200 ~ 500 mA
>62%, 75V in, 5V @ 200 ~ 500 mA
Voltage Out Range - Not Given
Features Over Current Protection
Shutdown, Enable, Standby
Soft Start
Synchronizable
Switching Frequency 300 kHz
Standby Current [Typical] 57 µA
Quiescent Current [Typical] 25 mA
Component Count + Extras 14 + 3
Internal Switch Yes
Design Author Texas Instruments
Application / Target Market Automotive
Point of Load (PoL)
Telecom
Standby Current [Maximum] 85 µA
Quiescent Current [Maximum]
Main I.C. Base Part LM5574
Date Created By Author
Date Added To Library 2011-03

Eval Board

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Support Documents & Media

LM5574EVAL - User Guide LM5574 - Datasheet Ultra Librarian Software:CAD Symbols and Footprints (Zip File) TI's CAD/CAE Symbols and Footprint Search

Media

LM5574EVAL_Schematic.JPG LM5574EVAL_Board.jpg LM5574EVAL_Chart.JPG