MAX1649 Datasheet, PDF (5/12 Pages) Maxim Integrated Products – 5V/3.3V or Adjustable, High-Efficiency, Low-Dropout, Step-Down DC-DC Controllers

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