Linear ANALOG DEVICES DC2155A-A Manual page 7

QUICK START PROCEDURE
V
OUT
2OOmV/DIV
I
OUT
5A/DIV
V = 32V
IN
V = 12V
OUT0
f = 150kHz
SW
I STEP = 0A TO 6A AT 6A/µs
LOAD
(DEFAULT SET-UP)
(a) DC2155A-A Load Step Response, 12V
100
98
96
94
92
90
88
86
84
82
80
0 4 8 12
LOAD CURRENT (A)
I = 0A to 48A
LOAD
f = 150kHz
SW
EXTV = 12V (TIED TO V
CC
4-PHASE SINGLE OUTPUT
Figure 7. DC2155A-B: Efficiency at 12V
V = 444mV
O_P-P
OA TO 6A
DC2155 F08a
100µs/DIV
OUT
Figure 8. DC2155A-A Load Step Response
DC2155A-A/DC2155A-B
18V
IN
24V
IN
32V
IN
48V
IN
16 20 24 28 32 36 40 44 48
)
OUT
DC2155 F07
OUT
V
OUT
2OOmV/DIV
I
OUT
5A/DIV
V = 32V
IN
V = 5V
OUT1
f = 150kHz
SW
I STEP = 0A TO 6A AT 6A/µs
LOAD
(DEFAULT SET-UP)
(b) DC2155A-A Load Step Response, 5V
DEMO MANUAL
V
O_P-P
OA TO 6A
100µs/DIV
OUT
= 438mV
DC2155 F08b
Rev. C
7