Design contains obsolete parts

STEVAL-ISA024V1: 3.3V @ 20A, 4.5 ~ 14V in

Summary

This 4-layer PCB demonstration board is designed as a step-down DC-DC converter to demonstrate the operation of the L6725 device in a general-purpose application. The input voltage can range from 4.5 V to 14 V with an output voltage of 3.3 V. The module can deliver an output current in excess of 20 A.

The L6725 device can manage minimum ON times (TON) shorter than 100 ns. This makes possible conversions with very low duty cycles and very high switching frequencies. The switching frequency is initially set at 250 kHz (controller free-running FSW), but a switching frequency of 500 kHz can also be selected.

Specifications

Manufacturer STMicroelectronics
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Board not Stocked
Topology Step Down
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 3.3 V
Current Out 20 A
Voltage In 4.5 ~ 14 V
Efficiency @ Conditions >91%, 5V in, 3.3V @ 1 ~ 15 A
>90%, 12V in, 3.3V @ 4.5 ~ 15 A
Voltage Out Range - Not Given
Features Light Load Mode
Over Current Protection
Over Voltage Protection
Shutdown, Enable, Standby
Soft Start
Synchronizable
Thermal Protection
Switching Frequency 250 kHz
Standby Current [Typical] 7 mA
Quiescent Current [Typical] 8.5 mA
Component Count + Extras 35 + 5
Internal Switch No
Design Author STMicroelectronics
Application / Target Market Computers
Point of Load (PoL)
Standby Current [Maximum] 9 mA
Quiescent Current [Maximum] 10 mA
Main I.C. Base Part L6725
Date Created By Author
Date Added To Library 2017-05

Support Documents & Media

L6725(A) - Datasheet STEVAL-ISA024V1 - Data Brief

Media

STEVAL_ISA026V1_Schematic.JPG STEVAL_ISA026V1_Board.jpg STEVAL_ISA024V1_Chart.JPG