4
dc1905af
DEMO MANUAL DC1905A
Figure 2. Measured Efficiency on Channel 1. V
OUT1
= 1.0V,
f
SW
= 750kHz, CCM, Channel 2, 3 Disabled
DC1905A Efficiency (LTM4633) V
OUT
= 1.0V
DC1905A Efficiency (LTM4633) V
OUT
= 1.2V
DC1905A Efficiency (LTM4633) V
OUT
=3.3V
Figure 3. Measured Efficiency on Channel 2. V
OUT2
= 1.2V,
f
SW
= 750kHz, CCM, Channel 1, 3 Disabled
Figure 4. Measured Efficiency on Channel 3. V
OUT3
= 3.3V,
f
SW
= 750kHz, CCM, Channel 1, 2 Disabled
Quick start proceDure
LOAD CURRENT (A)
EFFICIENCY (%)
dc1905a F02
100
60
70
80
90
50
40
30
20
0
10
10
8
6
4
2
0
V
IN
= 16V
V
IN
= 12V
V
IN
= 8V
V
IN
= 5V
LOAD CURRENT (A)
EFFICIENCY (%)
dc1905a F03
100
60
70
80
90
50
40
30
20
0
10
10
8
6
4
2
0
V
IN
= 16V
V
IN
= 12V
V
IN
= 8V
V
IN
= 5V
LOAD CURRENT (A)
EFFICIENCY (%)
dc1905a F04
100
60
70
80
90
50
40
30
20
0
10
10
8
6
4
2
0
V
IN
= 16V
V
IN
= 12V
V
IN
= 8V
V
IN
= 5V
