MAX8553 Maxim, MAX8553 Datasheet - Page 10

• Manufacturer Part Number: MAX8553
• Description: 4.5V to 28V Input / Synchronous PWM Buck Controllers for DDR Termination and Point-of-Load Applications
• Manufacturer: Maxim

4.5V to 28V Input, Synchronous PWM Buck Controllers
for DDR Termination and Point-of-Load Applications
(V
10
V+
= 12V, V
______________________________________________________________________________________
V
V
V
V
V
OUT
POK
OUT
POK
V
EN
I
IN
OUT
IN
I
L
STARTUP/SHUTDOWN WAVEFORMS WITH
POWER-UP WAVEFORMS WITH 20A LOAD
= 1.8V, circuit of
20A LOAD (CIRCUIT OF FIGURE 1)
(CIRCUIT OF FIGURE 1)
2ms/div
2ms/div
Figure
MAX8553/4 toc16
1, T
MAX8553/4 toc14
A
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
5V/div
1V/div
5V/div
2A/div
0
10V/div
1V/div
5V/div
10A/div
0
V
V
V
V
POK
OUT
OUT
V
0A
0V
LX
IN
I
POWER-DOWN WAVEFORMS WITH 20A LOAD
I
L
L
SHORT CIRCUIT AND RECOVERY
(CIRCUIT OF FIGURE 1)
(CIRCUIT OF FIGURE 1)
200µs/div
1ms/div
MAX8553/4 toc17
MAX8553/4 toc15
10V/div
1V/div
5V/div
10A/div
0
20V/div
5A/div
1V/div