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dc1245afa
DEMO MANUAL DC1245A
V
IN
= 3.3V
V
OUT
=1.8V
CONTINUOUS CURRENT MODE (CCM)
2A TO 6A LOAD STEP
C
OUT
=
×
2 100µF CERAMIC (1210, X5R, 6.3V) +
22µF CERAMIC (0805, X5R, 6.3V)
C
FF1
= 47pF
V
OUT
OVERSHOOT AND UNDERSHOOT = 172mV
dc1245a F04
V
IN
= 3.3V
V
OUT
=1.2V
CONTINUOUS CURRENT MODE (CCM)
2A TO 6A LOAD STEP
C
OUT
=
×
2 100µF CERAMIC (1210, X5R, 6.3V) +
22µF CERAMIC (0805, X5R, 6.3V)
C
FF2
= 0pF
V
OUT
OVERSHOOT AND UNDERSHOOT = 128mV
dc1245a F05
qUick stArt proceDUre
Figure 4. Measured Load Transient Response for 1.8V
OUT
(4A Step, 25% to 75%)
Figure 5. Measured Load Transient Response for 1.2V
OUT
(4A Step, 25% to 75%)
Figure 6. Measured Tracking Performance of V
OUT1
and V
OUT2
(with 2A Load Current)
7. Channel 2 is set up to synchronize to the CLKOUT sig-
nal of channel 1. The default phase difference is 180°.
Please refer to data sheet for how to set up PHMODE1
and PHMODE2 for paralleling more than 2 channels.
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