February 9, 2021 v3
Evaluation Board Manual – i7X Series
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4. Turn-on / Turn-off module by switch
Change position of toggle switch”S1” to “CLOSE” turns-on the power
supply unit.
5. Change Output Voltage
Turn screw on trimmer pot “VR1” to change the output voltage.
Turn clockwise to decrease output voltage.
Turn counter clockwise to increase output voltage.
6. When using external clock (SYNC function only for i7C)
SYNC function default setting is disabled. Please remove
resistor ”R14” on bottom side of the board to enable the
SYNC function.
7. Capture output ripple/noise waveform
Please use TP12, TP13 to measure output ripple/spike.
Wired GND clip may pick up higher spike noise.
To use bare probe minimize spike noise.
Please pay attention for connect right polarity.
TP12 is Vout(+) / TP13 is GND.
C.W.
C.C.W.
Remove R14
When using sync
recommend
