Analog Devices DC2468A Demo Manual page 2

DEMO MANUAL DC2468A
DESCRIPTION
100
90
80
70
60
50
40
30
20
10
0
12 18 24 30
INPUT VOLTAGE (V)
Figure 2. LT8645S Demo Circuit DC2468A
Temperature Rising vs Input Voltage (2MHz)
2
100
EFFICIENCY
95
90
85
80
POWER LOSS
75
70
65
60
1 2
Figure 1. LT8645S Demo Circuit DC2468A Efficiency vs
Load Current (Input from VIN Terminal)
I = 8A
OUT
I = 6A
OUT
I = 4A
OUT
V = 5V
OUT
f = 2MHz
SW
36 42 48 54 60
dc2468a F02
6.4
5.6
4.8
V = 12V
IN 4.0
V = 24V
IN
3.2
2.4
1.6
V = 5V
OUT
0.8
f = 2MHz
SW
SYNC/MODE = GND
0
3 4 5 6 7 8
LOAD CURRENT (A)
dc2468a F01
100
90
80
70
60
50
40
30
20
10
0
12
Figure 3. LT8645S Demo Circuit DC2468A
Temperature Rising vs Input Voltage (500kHz)
I = 8A
OUT
I = 6A
OUT
I = 4A
OUT
V = 5V
OUT
f = 500kHz
SW
18 24 30 36 42 48 54
INPUT VOLTAGE (V)
dc2468a F03
60
dc2468af