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MAX8566ETJ+
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P20
MAX8566
High-Ef
ficiency
, 10A, PWM
Inter
nal-Switch Step-Down Regulator
_______________________________________________________________________________________
7
Note 2:
Specifications to -40°C are guaranteed by design and not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(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
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
230
Degrees
V
OH
V
DD
-
0.4
Output Voltage
I
SYNCOUT
= ±1mA,
V
DD
= 2.3V to 3.6V
V
OL
0.4
V
POWER-GOOD
Threshold Voltage
V
FB
falling, 3mV hysteresis
85
93
% of
V
REF
Fal
l
i
ng
-
E
d
g
e D
eg
l
i
tch
30
80
µs
PWRGD Output Voltage
I
PWRGD
= 4mA
0.3
V
T
ypical Operating Characteristics
(Typical values are at V
IN
= V
DD
= 3.3V, V
OUT
= 1.8V, R
FREQ
= 50k
Ω
, I
OUT
= 10A, and T
A
= +25°C.)
EFFICIENCY vs. LOAD CURRENT
V
IN
= V
LSS
= 3.3V
MAX8566 toc01
LOAD CURRENT (A)
EFFICIENCY (%)
10
1
65
70
75
80
85
90
95
100
60
0.1
100
V
OUT
= 2.5V
V
OUT
= 1.8V
EFFICIENCY vs. LOAD CURRENT
V
IN
= V
LSS
= 2.5V
MAX8566 toc02
LOAD CURRENT (A)
EFFICIENCY (%)
10
1
65
70
75
80
85
90
95
100
60
0.1
100
V
OUT
= 1.8V
V
OUT
= 1.5V
EFFICIENCY vs. LOAD CURRENT
V
IN
= 2.5V, V
LSS
= 3.3V
MAX8566 toc03
LOAD CURRENT (A)
EFFICIENCY (%)
10
1
65
70
75
80
85
90
95
100
60
0.1
100
V
OUT
= 1.8V
V
OUT
= 1.5V
V
OUT
= 0.8V
MAX8566
High-Ef
ficiency
, 10A, PWM
Inter
nal-Switch Step-Down Regulator
8
_______________________________________________________________________________________
T
ypical Operating Characteristics (continued)
(Typical values are at V
IN
= V
DD
= 3.3V, V
OUT
= 1.8V, R
FREQ
= 50k
Ω
, I
OUT
= 10A, and T
A
= +25°C.)
REFERENCE VOLTAGE vs. TEMPERATURE
MAX8566 toc04
TEMPERATURE (
°
C)
REFERENCE VOLTAGE (V)
80
40
0
0.56
0.57
0.58
0.59
0.60
0.61
0.62
0.63
0.64
0.65
0.55
-40
120
0
0.5
1.5
1.0
2.0
2.5
-40
10
-15
35
60
85
FREQUENCY vs. TEMPERATURE
MAX8566 toc05
TEMPERATURE (
°
C)
FREQUENCY (MHz)
R
FREQ
= 23.3k
Ω
R
FREQ
= 50k
Ω
R
FREQ
= 100k
Ω
-0.40
-0.30
-0.35
-0.20
-0.25
-0.10
-0.15
-0.05
0.05
0
0.10
0
234
15
6
7
9
81
0
LOAD REGULATION
MAX8566 toc06
LOAD CURRENT (A)
OUTPUT VOLTAGE CHANGE (%)
V
OUT
= 2.5V
V
OUT
= 1.8V
V
OUT
= 0.8V
0
2
1
4
3
6
5
7
9
8
10
0
1.0
1.5
0.5
2.0
2.5
3.0
3.5
4.0
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX8566 toc07
INPUT VOLTAGE (V)
SHUTDOWN SUPPLY CURRENT (
µ
A)
V
EN
= 0V
10.0
11.0
10.5
12.0
11.5
13.0
12.5
13.5
14.5
14.0
15.0
0.5
0.9
1.1
1.3
0.7
1.5
1.7
1.9
2.3
2.1
2.5
MAXIMUM OUTPUT CURRENT
vs. OUTPUT VOLTAGE
MAX8566 toc08
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (A)
-80
-30
70
20
120
04
26
8
1
0
EXPOSED PADDLE TEMPERATURE
vs. LOAD CURRENT
MAX8566 toc09
LOAD CURRENT (A)
EXPOSED PADDLE TEMPERATURE (
°
C)
MAX8566 EV KIT PCB
200LFM
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
-0.5
-0.2
-0.3
-0.4
0
-0.1
0.4
0.3
0.2
0.1
0.5
2.25
2.50
2.75
3.00
3.25
3.50
3.75
4.00
LINE REGULATION
MAX8566 toc10
INPUT VOLTAGE (V)
OUTPUT VOLTAGE CHANGE (%)
I
LOAD
= 0A
I
LOAD
= 4.5A
I
LOAD
= 10A
6.0
7.0
6.5
8.0
7.5
8.5
9.0
9.5
10.0
2.25
2.65
2.85
2.45
3.05
3.25
3.45
3.65
3.85
OUTPUT SHORT-CIRCUIT CURRENT
vs. INPUT VOLTAGE
MAX8566 toc11
INPUT VOLTAGE (V)
OUTPUT SHORT-CIRCUIT CURRENT (A)
MAX8566
High-Ef
ficiency
, 10A, PWM
Inter
nal-Switch Step-Down Regulator
_______________________________________________________________________________________
9
I
OUT
(2A/div)
V
OUT
AC-COUPLED
(50mV/div)
5A
0
t = 10
µ
s/div
LOAD TRANSIENT (0 TO 5A)
MAX8566 toc13
0A
I
L
(2A/div)
V
OUT
(10mV/div)
V
LX
(2V/div)
12A
10A
3V
0V
t = 400ns/div
FULL-LOAD SWITCHING WAVEFORMS
MAX8566 toc14
0V
I
IN
(5A/div)
V
EN
(2V/div)
V
OUT
(1V/div)
V
PWRGD
(2V/div)
7A
(PEAK)
0A
3.3V
0V
1.8V
3V
0V
t = 400
µ
s/div
STARTUP INTO 0.18
Ω
LOAD
(R
LOAD
= 0.18
Ω
)
MAX8566 toc15
0
°
0dB
GAIN
(10dB/div)
PHASE
(45
°
/div)
1
10
100
1000
GAIN/PHASE OF THE VOLTAGE LOOP
MAX8566 toc12
FREQUENCY (kHz)
56
°
147 kHz
T
ypical Operating Characteristics (continued)
(Typical values are at V
IN
= V
DD
= 3.3V, V
OUT
= 1.8V, R
FREQ
= 50k
Ω
, I
OUT
= 10A, and T
A
= +25°C.)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P20
MAX8566ETJ+
Mfr. #:
Buy MAX8566ETJ+
Manufacturer:
Maxim Integrated
Description:
Switching Controllers 10A Step-Down Regulator
Lifecycle:
New from this manufacturer.
Delivery:
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