Datasheet

MAX8543/MAX8544
Step-Down Controllers with Prebias Startup,
Lossless Sensing, Synchronization, and OVP
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
MAX8544 STEP-LOAD RESPONSE
7.5A TO 15A TO 7.5A (5A/μs)
MAX8543 toc08
V
OUT
I
OUT
50mV/div
AC-COUPLED
0
5A/div
10
μ
s/div
MAX8544 STEP-LOAD RESPONSE
1.5A TO 15A TO 1.5A (5A/μs)
MAX8543 toc09
V
OUT
I
OUT
100mV/div
AC-COUPLED
0
5A/div
10
μ
s/div
MAX8544 POWER-UP WAVEFORMS
MAX8543 toc10
V
IN
V
POK
5V/div
0
10A/div
2ms/div
V
OUT
I
L
2V/div
5V/div
MAX8544 POWER-DOWN WAVEFORMS
MAX8543 toc11
V
IN
V
POK
5V/div
0
10A/div
2ms/div
V
OUT
I
L
2V/div
2V/div
MAX8543 POWER-UP WAVEFORMS
MAX8543 toc12
V
IN
2V/div
0
10A/div
2ms/div
V
OUT
I
L
1V/div
MAX8543 POWER-DOWN WAVEFORMS
MAX8543 toc13
V
IN
2V/div
0
10A/div
2ms/div
V
OUT
I
L
1V/div