MAX8566 Maxim Integrated Products, MAX8566 Datasheet - Page 7

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

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 2: Specifications to -40°C are guaranteed by design and not production tested.
(Typical values are at V
SYNCOUT
Frequency Range
Phase Shift from SYNC or
Internal Oscillator
Output Voltage
POWER-GOOD
Threshold Voltage
Fal l i ng - E d g e D eg l i tch
PWRGD Output Voltage
IN
100
95
90
85
80
75
70
65
60
= V
0.1
DD
EFFICIENCY vs. LOAD CURRENT
PARAMETER
= V
EN
V
LOAD CURRENT (A)
IN
1
= 3.3V, V
= V
_______________________________________________________________________________________
LSS
IN
= 3.3V
= V
FB
10
V
V
DD
Internal-Switch Step-Down Regulator
OUT
= 0.5V, V
OUT
= 3.3V, V
= 1.8V
= 2.5V
V
Frequency = 1MHz
I
V
V
I
SYNCOUT
PWRGD
DD
DD
FB
100
SYNC
falling, 3mV hysteresis
= 2.3V to 3.6V
= 2.3V to 3.6V
OUT
= 4mA
= 0V, T
= ±1mA,
= 1.8V, R
100
95
90
85
80
75
70
65
60
0.1
A
= -40°C to +85°C, unless otherwise noted. Note 2)
EFFICIENCY vs. LOAD CURRENT
FREQ
CONDITIONS
High-Efficiency, 10A, PWM
V
= 50kΩ, I
LOAD CURRENT (A)
IN
1
= V
LSS
V
V
OH
OL
= 2.5V
Typical Operating Characteristics
OUT
10
V
V
= 10A, and T
OUT
OUT
= 1.8V
= 1.5V
100
A
= +25°C.)
100
95
90
85
80
75
70
65
60
0.1
V
0.25
MIN
160
0.4
DD
85
30
EFFICIENCY vs. LOAD CURRENT
-
V
IN
= 2.5V, V
TYP
LOAD CURRENT (A)
1
LSS
MAX
2.40
230
0.4
0.3
93
80
= 3.3V
10
V
V
OUT
V
OUT
OUT
= 1.5V
Degrees
= 1.8V
= 0.8V
UNITS
V
MHz
% of
µs
REF
V
V
100
7