1.8A Step-Down Regulator with
Remote Sense in 2mm x 2mm WLP
Typical Operating Characteristics (continued)
(Typical Operating Circuit, VIN1 = VIN2 = 3.6V, VAGND = VPGND = 0V, VOUT = 1.1V, VDD = 1.8V, TA = +25°C, unless otherwise noted.)
LOAD TRANSIENT RESPONSE
(1A to 1mA)
MAX8649/49A toc23
VOUT
50mV/div
LOAD TRANSIENT RESPONSE
(5mA TO 1.8A)
MAX8649/49A toc24
50mV/div
VOUT
1A/div
IL
500mA/div
IL
IOUT
1A/div
40μs/div
LOAD TRANSIENT RESPONSE
(1.8A to 5mA)
MAX8649/49A toc25
VOUT
100mV/div
IL
1A/div
IOUT
1A/div
20μs/div
IOUT
1A/div
40μs/div
VSYNC
SYNCHRONIZATION RESPONSE
(26MHz SYNC)
MAX8649/49A toc26
FORCED PWM, NO LOAD
2V/div
VOUT
20mV/div
VLX
2V/div
IL
200mA/div
1μs/div
OUTPUT VOLTAGE CHANGE RESPONSE
MAX8649/49A toc27
VVID0
0.9V
VOUT
10I LOAD,
POWER SAVE
32mV/μs RAMP
1.3V
2V/div
0.9V
500mV/div
IL
200mA/div
40μs/div
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