Description

LTM4613

8A, High Voltage Power

µModule Regulator

Demonstration circuit DC1743A features the LTM®4613EV,

an EN55022 class B certified, high input and output voltage,

high efficiency, switch mode step-down power µModule®

regulator. The input voltage range is from 5V to 36V. The

output voltage is jumper programmable from 3.3V to 12V

with a rated load current of 8A. Derating is necessary

for certain VIN, VOUT, frequency and thermal conditions:

please refer to LTM4613 data sheet for derating curves.

Only input and output capacitors are needed externally.

The DC1743A offers the TRACK/SS pin allowing the user

to program output tracking or soft-start period. Output

PERFORMANCE SUMMARY

Board Photo

voltage margining can also be realized through jumper

position selections.

Higher efficiency at low load currents is achieved by setting

the MODE pin jumper to DCM. The PLL pin is available

to synchronize the LTM4613EV to an external clock. The

LTM4613 data sheet must be read in conjunction with

this demo manual prior to working on or modifying demo

circuit DC1743A.