Datasheet

MAX1649/MAX1651
5V/3.3V or Adjustable, High-Efficiency,
Low-Dropout, Step-Down DC-DC Controllers
_______________________________________________________________________________________ 5
____________________________Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
CIRCUIT OF FIGURE 1, I
LOAD
= 1A
A: V
OUT
= 5V, 100mV/div, AC-COUPLED
B: V+ = 6V TO 16V, 5V/div
MAX1649
LINE-TRANSIENT RESPONSE
A
B
5ms/div
16V
6V
CIRCUIT OF FIGURE 1, V+ = 10V
A: V
OUT
= 5V, 100mV/div, AC-COUPLED
B: I
LOAD
= 30mA TO 1.6A, 1A/div
MAX1649
LOAD-TRANSIENT RESPONSE
A
1.6A
0A
B
200μs/div
CIRCUIT OF FIGURE 1, V+ = 10V, I
LOAD
= 1A
MAX1649
SHDN RESPONSE TIME
5V
4V
OUTPUT
0V
0V
SHDN
INPUT
1ms/div