DC1693A: 5V @ 350mA Isolated, 4.5 ~ 30V in

Summary

The demo circuit 1693A is an isolated flyback μModule® DC/DC converter featuring the LTM8047. The demo circuit is designed for a 5V output from a 4.5V to 30V input. The typical current capability of the 5V output varies with input voltage from about 110mA at VIN = 4.5V to about 350mA at VIN = 30V.

The LTM8047 data sheet gives complete description of the device, operation and application information. The data sheet must be read in conjunction with this demo manual prior to working on or modifying demo circuit 1693A.

Specifications

Manufacturer	Analog Devices Inc.
Category	AC/DC and DC/DC Conversion
Sub-Category	DC/DC SMPS - Single Output
Eval Board Part Number	505-DC1693A-ND
Eval Board Supplier	Analog Devices Inc.
Eval Board	Normally In Stock
Topology	Step Down
Outputs and Type	1 Isolated
Voltage Out: Factory Set	5 V
Current Out	350 mA
Voltage In	4.5 ~ 30 V
Efficiency @ Conditions	>83%, 12V in, 8V @ 100 ~ 200 mA >83%, 12V in, 12V @ 100 ~ 170 mA >80%, 24V in, 8V @ 180 ~ 330 mA >75%, 24V in, 5V @ 100 ~ 329 mA >75%, 24V in, 12V @ 100 ~ 230 mA >75%, 12V in, 3.3V @ 100 ~ 310 mA >73%, 12V in, 5V @ 50 ~ 260 mA >73%, 12V in, 2.5V @ 100 ~ 295 mA >71%, 24V in, 3.3V @ 125 ~ 400 mA >71%, 24V in, 2.5V @ 240 ~ 405 mA
Voltage Out Range	4.5 ~ 30 V
Features	Current Limit (Adj. or Fixed) Shutdown, Enable, Standby Soft Start Under Voltage Protection, Brown-Out
Switching Frequency	- Not Given
Standby Current [Typical]	- Not Given
Quiescent Current [Typical]	850 µA
Component Count + Extras	9 + 11
Internal Switch	Yes
Design Author	Linear Technology
Application / Target Market	Power: Auxiliary Power Supply Power: Industrial Power
Standby Current [Maximum]	1 µA
Quiescent Current [Maximum]	- Not Given
Main I.C. Base Part	LTM8047
Date Created By Author	2011-08
Date Added To Library	2013-11