MAX8566 Maxim Integrated Products, MAX8566 Datasheet - Page 8

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

High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
(Typical values are at V
8
0.65
0.64
0.63
0.62
0.61
0.60
0.59
0.58
0.57
0.56
0.55
_______________________________________________________________________________________
10
9
8
7
6
5
4
3
2
1
0
REFERENCE VOLTAGE vs. TEMPERATURE
-40
0
V
EN
0.5
SHUTDOWN SUPPLY CURRENT
= 0V
1.0
0
vs. INPUT VOLTAGE
TEMPERATURE (°C)
INPUT VOLTAGE (V)
1.5
40
2.0
IN
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
0.4
0.3
0.2
0.1
0
2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00
= V
2.5
DD
80
3.0
= 3.3V, V
3.5
LINE REGULATION
INPUT VOLTAGE (V)
I
LOAD
120
4.0
= 10A
OUT
I
LOAD
I
LOAD
= 0A
= 1.8V, R
= 4.5A
15.0
14.5
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
Typical Operating Characteristics (continued)
2.5
2.0
1.5
1.0
0.5
0
-40
0.5
0.7
FREQUENCY vs. TEMPERATURE
FREQ
MAXIMUM OUTPUT CURRENT
-15
0.9 1.1 1.3
vs. OUTPUT VOLTAGE
OUTPUT VOLTAGE (V)
= 50kΩ, I
TEMPERATURE (°C)
10
1.5 1.7 1.9
OUT
R
35
R
R
FREQ
FREQ
FREQ
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
= 10A, and T
= 23.3kΩ
= 100kΩ
= 50kΩ
2.25
2.1
60
OUTPUT SHORT-CIRCUIT CURRENT
2.45
2.3
2.5
85
2.65 2.85
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
A
= +25°C.)
3.05 3.25 3.45 3.65 3.85
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
-0.35
-0.40
0.10
0.05
120
-30
-80
70
20
0
0
0
EXPOSED PADDLE TEMPERATURE
1
2
2
vs. LOAD CURRENT
LOAD REGULATION
3
LOAD CURRENT (A)
LOAD CURRENT (A)
4
4
MAX8566 EV KIT PC BOARD
200LFM
5
V
OUT
V
OUT
6
6
= 2.5V
T
T
T
= 0.8V
A
A
A
7
= +25°C
= -40°C
= +85°C
V
OUT
8
8
= 1.8V
9
10
10