Linear Technology DC1498A Demo Manual page 4

DEMO MANUAL DC1498A
Quick start proceDure
95
90
85
80
75
70
65
60
0 2 4
LOAD CURRENT (A)
Figure 2. Measured Efficiency on Channel 1.
V = 1.5V, f = 600kHz, Channel 2 Disabled
OUT1 SW
1.5V
100mV/DIV
0A TO 6A LOAD STEP
Figure 4. Measured Channel 1
0A to 6A Load Transient, V
4
V = 5V
IN
V = 9V
IN
V = 12V
IN
V = 15V
IN
6 8 10 12 14
DC1498A F02
(20MHz BW)
OUT
100µs/DIV DC1498A F04
= 12V, V = 1.5V
IN OUT1
50mV/DIV
50mV/DIV
Figure 6. Measured Output Voltage Ripple at 5V
Input, 1.5V and 1.2V Output, 13A Per Channel
with Standard Demo Circuit Default Setup
95
90
85
80
75
70
65
60
0
Figure 3. Measured Efficiency on Channel 2
V = 1.2V, f
OUT2
100mV/DIV
Figure 5. Measured Channel 2
0A to 6A Load Transient, V
1.5V (20MHz BW)
OUT
1.2V (20MHz BW)
OUT
5µs/DIV DC1498A F06
V = 5V
IN
V = 9V
IN
V = 12V
IN
= 15V
V
IN
2 4 6 8 10 12
LOAD CURRENT (A)
DC1498A F03
= 600kHz, Channel 1 Disabled
SW
1.2V (20MHz BW)
OUT
0A TO 6A LOAD STEP
100µs/DIV DC1498A F05
= 12V, V
IN OUT2
14
= 1.2V
dc1498afa