5
Rev. 0
QUICK START PROCEDURE
OUTPUT LOAD CURRENT
(A)
0
92
EFFICIENCY (%)
93
94
100
98
96
95
99
97
2
6
10
14
4
8
12
16 18 20
DC2543B F08
OUTPUT LOAD CURRENT
(A)
0
23.0
V
OUT
(V)
23.2
23.4
24.6
24.2
23.8
23.6
24.4
24.0
2
6
10
14
4
8
12
16 18 20
DC2543B F09
Figure 8. Efficiency vs Load Current at V
IN
= 48V,
V
OUT
= 24V, f
SW
= 200kHz*
Figure 9. Load Regulation for 20A Design
at V
IN
= 48V, V
OUT
= 24V, f
SW
= 200kHz*
Figure 10. Thermal performance at V
IN
= 48V, V
OUT
= 24V, I
OUT
= 20A
T
A
= 23°C, No Airflow*
* Note:
Additional C11, C12, C60, C61, C22-C25, C69-C72, C30, C31, and C36 (10µF/50V, MURATA GRM32ER71H106KA12L) are populated;
RS1 is changed to 2.5mΩ (WSL20102L500FEB18) for this test.
Q1
Q3
Q6
Q7
