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DEMO MANUAL DC2268A-B
Quick start proceDure
Efficiency, 3.3V
100
V
= 12V
IN
f
= 750kHz
SW
95
90.4
89.1
90
87.5
85
84.6
80
75.2
75
0
1
2
3
4
5
Figure 3. Measured Efficiency on Channel 1
(V
= 3.3V, f
= 750kHz, Channel 2 Disabled)
OUT1
SW
Figure 5. Measured Channel 6.5A to 13A Load Transient (V
4
92 92
92
91.9
91.6
91.8
91.8
91.1
6
7
8
9
10
11
12
13
I
(A)
LOAD
dc2268ab F03
3.3V OUTPUT (20MHz BW) [20mV/DIV]
Efficiency, 5V
100
95
93.5
92.4
93.7
91.4
93
90.2
90
87
85
80
77.4
75
0
1
2
3
4
5
6
7
8
I
(A)
LOAD
Figure 4. Measured Efficiency on Channel 2
(V
= 5V, f
= 750kHz, Channel 1 Disabled)
OUT2
SW
6.5A TO 13A LOAD STEP
dc2268ab F05
= 12V, V
= 3.3V)
IN
OUT1
94
94
94
93.9
93.9
V
= 12V
IN
f
= 750kHz
SW
9
10
11
12 13
dc2268ab F04
dc2268abfa
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