Datasheet

MAX8792
Single Quick-PWM Step-Down
Controller with Dynamic REFIN
_______________________________________________________________________________________ 9
OUTPUT OVERLOAD WAVEFORM
(UVP ENABLED)
MAX8792 toc22
200μs/div
C. DL, 5V/div
D. PGOOD, 5V/div
5V
5V
14A
0
0
1.5V
0
0
A
B
C
D
A. INDUCTOR CURRENT,
10A/div
B. V
OUT
, 1V/div
OUTPUT OVERVOLTAGE WAVEFORM
MAX8792 toc23
100μs/div
C. PGOOD, 5V/div
5V
5V
0
0
1.5V
0
A
B
C
A. V
OUT
, 1V/div
B. DL, 5V/div
DYNAMIC OUTPUT-VOLTAGE TRANSITION
(PWM MODE)
MAX8792 toc24
20μs/div
C. INDUCTOR CURRENT,
10A/div
D. LX, 10V/div
-10A
0
1.5V
1.5V
1.05V
1.05V
12V
0
A
B
C
D
A. REFIN, 500mV/div
B. V
OUT
, 200mV/div
DYNAMIC OUTPUT-VOLTAGE TRANSITION
(SKIP MODE)
MAX8792 toc25
100μs/div
C. INDUCTOR CURRENT,
10A/div
D. LX, 10V/div
10A
0
1.5V
1.5V
1.05V
1.05V
12V
0
A
B
C
D
A. REFIN, 500mV/div
B. V
OUT
, 200mV/div
Typical Operating Characteristics (continued)
(MAX8792 Circuit of Figure 1, V
IN
= 12V, V
DD
= 5V, SKIP = GND, R
TON
= 200kΩ, T
A
= +25°C, unless otherwise noted.)