MAX8566 Maxim Integrated Products, MAX8566 Datasheet - Page 9

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

(Typical values are at V
(10dB/div)
(45°/div)
(2A/div)
PHASE
GAIN
I
L
12A
10A
0dB
_______________________________________________________________________________________
0A
0°
1
IN
FULL-LOAD SWITCHING WAVEFORMS
GAIN/PHASE OF THE VOLTAGE LOOP
= V
Internal-Switch Step-Down Regulator
DD
= 3.3V, V
10
FREQUENCY (kHz)
t = 400ns/div
OUT
100
147 kHz
56°
= 1.8V, R
Typical Operating Characteristics (continued)
MAX8566 toc12
MAX8566 toc14
1000
FREQ
V
(10mV/div)
3V
V
(2V/div)
0V
OUT
LX
High-Efficiency, 10A, PWM
= 50kΩ, I
AC-COUPLED
(5A/div)
(2V/div)
(1V/div)
OUT
(50mV/div)
V
(2A/div)
V
OUT
(PEAK)
I
EN
IN
V
3.3V
1.8V
= 10A, and T
I
OUT
OUT
7A
0A
0V
0V
STARTUP INTO 0.18Ω LOAD
LOAD TRANSIENT (0 TO 5A)
A
(R
LOAD
= +25°C.)
t = 10µs/div
t = 400µs
= 0.18Ω)
MAX8566 toc15
MAX8566 toc13
3V
0V
5A
0
V
(2V/div)
PWRGD
9