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