4
dc2453afb
DEMO MANUAL DC2453A
Figure 2. Measured Supply Efficiency at 5V
IN
and 12V
IN
Figure 3. Measured V
OUT1
= 3.3V and V
OUT4
= 1.2V Load Transient Responses (1.5A to 3A Load Step)
OUTPUT CURRENT (A)
0
0.5
1
1.5
2
2.5
3
65
70
75
80
85
90
95
100
EFFICIENCY (%)
dc2453a F02a
3.3V
OUT1
2.5V
OUT2
1.5V
OUT3
1.2V
OUT4
OUTPUT CURRENT (A)
0
0.5
1
1.5
2
2.5
3
65
70
75
80
85
90
95
100
EFFICIENCY (%)
dc2453a F02b
3.3V
OUT1
2.5V
OUT2
1.5V
OUT3
1.2V
OUT4
Quick start proceDure
V
IN
(V)
V
OUT
(V)
C
OUT
CERAMIC
12
3.3
2 × 47μF/6.3V/Ceramic
V
IN
(V)
V
OUT
(V)
C
OUT
CERAMIC
12
1.2
2 × 47μF/6.3V/Ceramic
V
OUT1
100mV/DIV
I
OUT1
_STEP
1A/DIV
V
OUT1
100mV/DIV
I
OUT1
_STEP
1A/DIV