LM5008AEVAL: 5V @ 300mA, 8 ~ 75V in

Summary

The LM5008AEVAL evaluation board provides the design engineer with a fully functional buck regulator, employing the constant on-time (COT) operating principle.

This design provides a 5V output over an input range of 8V to 75V. The circuit delivers load currents to 300 mA, with current limit set at a nominal 440 mA.

Specifications

Manufacturer Texas Instruments
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number LM5008AEVAL/NOPB-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 300 mA
Voltage In 8 ~ 75 V
Efficiency @ Conditions >87%, 12V in, 5V @ 50 ~ 300 mA
>85%, 24V in, 5V @ 100 ~ 300 mA
>80%, 48V in, 5V @ 150 ~ 300 mA
Voltage Out Range - Not Given
Features Current Limit (Adj. or Fixed)
Shutdown, Enable, Standby
Thermal Protection
Under Voltage Protection, Brown-Out
Voltage Reference
Switching Frequency 130 kHz
Standby Current [Typical] 110 µA
Quiescent Current [Typical] 550 µA
Component Count + Extras 14 + 5
Internal Switch Yes
Design Author Texas Instruments
Application / Target Market Automotive
Point of Load (PoL)
Telecom
Standby Current [Maximum] 176 µA
Quiescent Current [Maximum] 750 µA
Main I.C. Base Part LM5008A
Date Created By Author
Date Added To Library 2011-03

Eval Board

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Support Documents & Media

LM5008A - Datasheet LM5008AEVAL - User Guide - AN1925 Ultra Librarian Software:CAD Symbols and Footprints (Zip File) TI's CAD/CAE Symbols and Footprint Search

Media

LM5008AEVAL_Schematic_Full.PNG LM5008AEVAL_Board_Full.PNG LM5008AEVAL_Chart_1_Full.PNG