MAX8566
High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
_______________________________________________________________________________________ 5
ELECTRICAL CHARACTERISTICS
(V
IN
= V
DD
= V
EN
= 3.3V, V
FB
= 0.5V, V
SYNC
= 0V, T
A
= -40°C to +85°C, unless otherwise noted. Note 2)
PARAMETER CONDITIONS MIN TYP MAX UNITS
IN/V
DD
IN and V
DD
Voltage Range 2.325 3.600 V
LSS Voltage Range 2.325 3.600 V
IN Supply Current Quiescent current, V
FB
= 0.7V 2.2 mA
V
DD
Supply Current Quiescent current, V
FB
= 0.7V 4 mA
V
DD
rising 2.2
V
DD
Undervoltage-Lockout
Threshold
LX starts/stops switching,
2µs rising/falling-edge delay
V
DD
falling 1.72
V
COMP
Clamp Voltage, High V
IN
= 2.3V to 3.6V, V
FB
= 0.7V 1.80 2.18 V
Slew Rate 0.75 V/µs
Shutdown Resistance From COMP to GND, V
EN
= 0V 100 Ω
ERROR AMPLIFIER
FB Regulation Voltage V
COMP
= 1V to 2V, V
IN
= 2.3V or 3.6V 0.591 0.609 V
V
DD
= 2.325V to 2.6V 0
V
DD
-
1.65
Error-Amplifier Common-Mode
Input Range
V
DD
= 2.6V to 3.6V 0
V
DD
-
1.7
V
Error-Amplifier Maximum Output
Current
0.8 mA
V
DD
= 2.325V to 2.5V 0
V
DD
-
1.65
REFIN Common-Mode Range
V
DD
= 2.6V to 3.6V 0
V
DD
-
1.7
V
LX (ALL PINS COMBINED)
V
IN
= V
BST
- V
LX
= 3.3V 16
On-Resistance, High Side I
LX
= -2A
V
IN
= V
BST
- V
LX
= 2.5V 20
mΩ
V
IN
= V
LSS
= 3.3V 15
On-Resistance, Low Side I
LX
= 2A
V
IN
= V
LSS
= 2.5V 20
mΩ
Current-Limit Threshold V
IN
= 2.5V or 3.3V 12 20 A
