Datasheet

MAX8597/MAX8598/MAX8599
Low-Dropout, Wide-Input-Voltage,
Step-Down Controllers
8 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 4, T
A
= +25°C, 500kHz switching frequency, V
IN
= 12V, unless otherwise noted.)
50% LOAD STEP AT 5A/µs
MAX8597 toc13
40µs/div
50mV/div
V
OUT
(AC-COUPLED)
I
OUT
20A
10A
90% LOAD STEP AT 5A/µs
MAX8597 toc14
40µs/div
100mV/divV
OUT
(AC-COUPLED)
I
OUT
20A
2A
SHORT-CIRCUIT RESPONSE
MAX8597 toc15
4ms/div
1V/div
2A/div
V
OUT
I
IN
I
LX
10A/div
OUTPUT OVERVOLTAGE PROTECTION
MAX8597 toc16
10µs/div
500mV/div
10V/div
V
FB
V
DH
V
DL
5V/div