DC1295B: 0.6 ~ 5V @ 6A, 4.5 ~ 28V in

Summary

Demonstration circuit DC1295B features the LTM®4606EV, an EN55022 Class B certified, switch mode step-down power module. The input voltage range is from 4.5V to 28V with a jumper programmable output voltage from 0.6V to 5V. The rated load current is 6A, while derating is necessary for certain VIN, VOUT, and thermal conditions.

The LTM4606 allows the user to program output ramp-up and ramp-down through the TRACK/SS pin. The output can be set to coincidentally or ratiometrically track to another voltage rail. Output voltage margining can also be realized through jumper position selections. The LTM4606 data sheet must be read in conjunction with this demo manual prior to working on or modifying demo circuit DC1295B.

Specifications

Manufacturer	Analog Devices Inc.
Category	AC/DC and DC/DC Conversion
Sub-Category	DC/DC SMPS - Single Output
Eval Board Part Number	DC1295B-ND
Eval Board Supplier	Analog Devices Inc.
Eval Board	Normally In Stock
Topology	Step Down
Outputs and Type	1 Non-Isolated
Voltage Out: Factory Set	0.6 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 5 V
Current Out	6 A
Voltage In	5 ~ 28 V
Efficiency @ Conditions	>90%, 12V in, 5V @ 0.8 ~ 6 A >87%, 12V in, 3.3V @ 0.6 ~ 6 A >80%, 12V in, 1.5V @ 2 ~ 6 A
Voltage Out Range	0.6 ~ 5 V
Features	Current Foldback Protection Current Limit (Adj. or Fixed) Internal Inductor Over Voltage Protection Remote Sensing Short Circuit Protection Shutdown, Enable, Standby Soft Start Synchronizable Under Voltage Protection, Brown-Out Voltage Tracking
Switching Frequency	800 kHz
Standby Current [Typical]	22 µA
Quiescent Current [Typical]	25 mA
Component Count + Extras	14 + 48
Internal Switch	Yes
Design Author	Linear Technology
Application / Target Market	FPGA / DSP / Processors Point of Load (PoL) RF / Wireless Servers Telecom
Standby Current [Maximum]
Quiescent Current [Maximum]
Main I.C. Base Part	LTM4606
Date Created By Author	2010-10
Date Added To Library	2012-03