5 V/3 .3 V o r Ad ju s t a b le , Hig h -Effic ie n c y,
Lo w -Dro p o u t , S t e p -Do w n DC-DC Co n t ro lle rs
49/MAX651
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(T = +25°C, unless otherwise noted.)
A
MAX1649
MAX1649
LOAD-TRANSIENT RESPONSE
LINE-TRANSIENT RESPONSE
A
B
A
B
16V
6V
1.6A
0A
200µs/div
5ms/div
CIRCUIT OF FIGURE 1, V+ = 10V
A: V = 5V, 100mV/div, AC-COUPLED
CIRCUIT OF FIGURE 1, I
A: V = 5V, 100mV/div, AC-COUPLED
OUT
= 1A
LOAD
OUT
B: I
LOAD
= 30mA TO 1.6A, 1A/div
B: V+ = 6V TO 16V, 5V/div
MAX1649
SHDN RESPONSE TIME
5V
OUTPUT
0V
4V
SHDN
INPUT
0V
1ms/div
CIRCUIT OF FIGURE 1, V+ = 10V, I
LOAD
= 1A
_______________________________________________________________________________________
5