DEMO MANUAL DC1295B
LTM4606
EN55022B Compliant 28V IN , 6A
Step-Down μModule Regulator
DESCRIPTION
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 V IN , V OUT , 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.
Design files for this circuit board are available at
http://www.linear.com/demo
L , LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of
Linear Technology Corporation. All other trademarks are the property of their respective owners.
PERFORMANCE SUMMARY
(T A = 25°C)
PARAMETER
Input Voltage Range
Output Voltage V OUT
Maximum Continuous Output Current
Default Operating Frequency
Efficiency
CONDITION
Jumper Selectable (Open for 0.6V)
Derating Is Necessary for Certain V IN , V OUT , and Thermal Conditions
V IN = 12V, V OUT = 3.3V, I OUT = 6A
VALUE
5V to 28V
1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V; ±2%
6A DC
800kHz
89.6%, See Figure 4
BOARD PHOTO
dc1295bf
1
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