Datasheet

MAX8566
High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
4 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
DD
= V
EN
= 3.3V, V
FB
= 0.5V, V
SYNC
= 0V, T
A
= 0°C to +85°C, typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER CONDITIONS MIN TYP MAX UNITS
SYNC
Capture Range V
DD
= 2.3V to 3.6V 0.25 2.40 MHz
t
LO
100
Pulse Width V
DD
= 2.3V to 3.6V
t
HI
100
ns
V
IH
0.4 0.95
Input Threshold V
DD
= 2.3V to 3.6V
V
IL
1 1.6
V
I
IH
-1 +10
Input Current V
SYNC
= 0V or 3.6V, V
DD
= 3.6V
I
IL,
T
A
= +25°C
-1 +0.01 +1
µA
SYNCOUT
Frequency Range V
DD
= 2.3V to 3.6V 0.25 2.40 MHz
Phase Shift from SYNC or
Internal Oscillator
Frequency = 1MHz 160 180 230 D eg r ees
V
OH
V
DD
-
0.4
V
DD
-
0.05
Output Voltage
I
SYNCOUT
= ±1mA,
V
DD
= 2.3V to 3.6V
V
OL
0.05 0.4
V
THERMAL SHUTDOWN
Thermal-Shutdown Threshold When LX stops switching +165 °C
Thermal-Shutdown Hysteresis 20 °C
POWER GOOD
Threshold Voltage V
FB
falling, 3mV hysteresis 86 90 93
% of
V
REFIN
or 0.6V
Falling-Edge Deglitch 30 50 80 µs
Output Low Voltage I
PWRGD
= 4mA 0.15 0.3 V
Leakage Current V
PWRGD
= 3.6V, V
FB
= 0.9V, T
A
= +25°C 0.01 1 µA