MAX8566 Maxim Integrated Products, MAX8566 Datasheet - Page 10

• Manufacturer Part Number: MAX8566
• Description: PWM Internal-Switch Step-Down Regulator
• Manufacturer: Maxim Integrated Products

High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
10
(Typical values are at V
______________________________________________________________________________________
(500mV/div)
(5A/div)
(1V/div)
V
REFIN
V
OUT
I
IN
800
700
600
500
400
300
200
100
6.5A
0.6V
1.8V
0
0A
0V
0V
0
IN
1
vs. SOFT-START CAPACITANCE
= V
2
SOFT-START WITH REFIN
DD
SOFT-START TIME
3
= 3.3V, V
4
C
t = 400µs/div
SS
5
(µF)
6
OUT
7
= 1.8V, R
8
Typical Operating Characteristics (continued)
MAX8566 toc16
9
10
FREQ
3V
V
(2V/div)
0V
PWRGD
= 50kΩ, I
(AC-COUPLED)
(12V/div)
(5V/div)
(5V/div)
(20mA/div)
(5A/div)
(1V/div)
V
V
V
(2A/div)
(2A/div)
OUT
LX1
LX2
V
OUT
I
EN
IN
I
I
(PEAK)
I
L1
L2
IN
= 10A, and T
3.3V
3.3V
7.5A
3.3V
1.8V
0.9V
0A
0A
0V
0V
0A
0V
0V
SYNCHRONIZED OPERATION (NO LOAD)
STARTUP INTO PREBIASED OUTPUT
A
(R
= +25°C.)
LOAD
t = 400ns/div
t = 400µs
= 0.18Ω)
MAX8566 toc19
MAX8566 toc17
3V
0V
V
(2V/div)
PWRGD