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dc1367af
DEMO MANUAL DC1367A
QUICK START PROCEDURE
Figure 3. Measured Efficiency for Different Channels
Figure 4. Measured Load Transient Response for V
OUT1
Figure 5. Measured Load Transient Response for V
OUT2
V
OUT1
50mV/DIV
I
OUT1
2A/DIV
20μs/DIV
V
IN1
= 5.5V
V
OUT1
= 1.8V
V
OUT2
= 1.2V AT NO LOAD
V
O3(LDO)
= 1.0V AT NO LOAD
CONTINUOUS CURRENT MODE (CCM)
0A TO 3.4A LOAD STEP ON V
OUT1
C
OUT1
= 100μF CERAMIC (1210, X5R, 6.3V) + 22μF CERAMIC (1206, X5R, 6.3V)
DC1367 F04
V
OUT2
20mV/DIV
I
OUT2
1A/DIV
20μs/DIV
V
IN2
= 5.5V
V
OUT2
= 1.2V
V
OUT1
= 1.8V AT NO LOAD
V
O3(LDO)
= 1.0V AT NO LOAD
CONTINUOUS CURRENT MODE (CCM)
0A TO 2.2A LOAD STEP ON V
OUT2
C
OUT2
= 100μF CERAMIC (1210, X5R, 6.3V) + 22μF CERAMIC (1206, X5R, 6.3V)
DC1367 F05
LOAD CURRENT (A)
0
EFFICIENCY (%)
65
80
95
90
85
70
75
55
60
40
45
25
30
1.5
2.5
4.0
DC1376 F03
50
35
20
0.5
1.0
2.0
3.5
3.0
V
IN1
= 5.5V, V
OUT 1
= 1.8V
CHANNEL 2 AND 3 OFF
V
IN2
= 5.5V, V
OUT 2
= 1.2V
CHANNEL 1 AND 3 OFF
V
IN3
= 1.2V, V
OUT 3
= 1.0V
CHANNEL 1 AND 2 OFF
