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MAX5066EUI+
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
MAX5066
Configurable, Single-/Dual-Output, Synchr
onous
Buck Contr
oller for High-Curr
ent Applications
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
REG
= V
DD
= V
EN_
= +5V, T
A
= T
J
= T
MIN
to T
MAX
, unless otherwise noted, circuit of Figure 6. Typical values are at T
A
= +25°C.)
(Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT-ERROR AMPLIFIER (CEA_)
Transconductance
g
M
550
µS
Open-Loop Gain
A
VOL
(
CEA
)
No load
50
dB
VOLTAGE ERROR AMPLIFIER (EAOUT_)
Open-Loop Gain
A
VOL
(
EA
)
70
dB
Unity-Gain Bandwidth
f
UGEA
3
MHz
EAN_ Input Bias Current
I
BIAS
(
EA
)
V
EAN_
= 2.0V
100
nA
Error Amplifier Output Clamping
High Voltage
V
CLMP_HI
(EA)
With respect to V
CM
1.14
V
Error Amplifier Output Clamping
Low Voltage
V
CLMP_LO
(EA)
With respect to V
CM
-0.234
V
EN_ INPUTS
EN_ Input High Voltage
V
ENH
EN rising
1.204
1.222
1.240
EN_ Hysteresis
0.05
V
EN_ Input Leakage Current
I
EN
-1
+1
µA
MODE INPUT
MODE Logic-High Threshold
V
MODE_H
2.4
V
MODE Logic-Low Threshold
V
MODE_L
0.8
V
MODE Input Pulldown
I
PULLDWN
5µ
A
THERMAL SHUTDOWN
Thermal Shutdown
T
SHDN
160
Thermal Shutdown Hysteresis
T
HYST
10
°C
Note 1:
The device is 100% production tested at T
A
= +85°C (MAX5066EUI) and T
A
= T
J
= +125°C (MAX5066AUI). Limits at -40°C
and +25°C are guaranteed by design.
Note 2:
The internal reference voltage accuracy is measured at the negative input of the error amplifiers (EAN_). Output voltage
accuracy must include external resistor-divider tolerances.
OSCILLATOR FREQUENCY vs. R
T
MAX5066 toc01
R
T
(k
Ω
)
OSCILLATOR FREQUENCY (kHz)
900
800
700
600
500
400
300
200
100
100
1000
10,000
10
01
0
0
0
C
DH
= C
DL
= 0
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
(V
IN
= 5V)
MAX5066 toc02a
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
110
95
-25
-10
5
35
50
65
20
80
2
4
6
8
10
12
14
16
0
-40
125
C
DH
= C
DL
= 0
f
SW
= 1MHz
f
SW
= 250kHz
f
SW
= 500kHz
f
SW
= 125kHz
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
(V
IN
= 12V)
MAX5066 toc02b
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
110
95
-25
-10
5
35
50
65
20
80
2
4
6
8
10
12
14
16
0
-40
125
C
DH
= C
DL
= 0
f
SW
= 1MHz
f
SW
= 250kHz
f
SW
= 500kHz
f
SW
= 125kHz
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
(V
IN
= 24V)
MAX5066 toc02c
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
110
95
-25
-10
5
35
50
65
20
80
2
4
6
8
10
12
14
16
0
-40
125
C
DH
= C
DL
= 0
f
SW
= 1MHz
f
SW
= 250kHz
f
SW
= 500kHz
f
SW
= 125kHz
SUPPLY CURRENT
vs. OSCILLATOR FREQUENCY
MAX5066 toc03
FREQUENCY (kHz)
SUPPLY CURRENT (mA)
1800
1600
400
600
800
1200
1000
1400
7
8
9
10
11
12
13
14
6
200
2000
C
DH_
= C
DL_
= 0
V
IN
= 24V
V
IN
= 5V
V
IN
= 12V
SUPPLY CURRENT
vs. DRIVER LOAD CAPACITANCE
MAX5066 toc04
C
LOAD
(nF)
SUPPLY CURRENT (mA)
25
20
15
10
5
10
20
30
40
50
60
70
80
90
100
0
03
0
C
LOAD
= C
DH
= C
DL
REG LOAD REGULATION
MAX5066 toc05
I
REG
(mA)
V
REG
(V)
90
80
70
60
50
40
30
20
10
4.95
5.00
5.05
5.10
4.90
01
0
0
V
IN
= 12V
V
IN
= 24V
V
IN
= 5.5V
REG LINE REGULATION
MAX5066 toc06
V
IN
(V)
V
REG
(V)
23
21
19
17
15
13
11
9
7
4.98
5.00
5.02
5.04
5.06
5.08
5.10
4.96
5
I
REG
= 0
I
REG
= 60mA
REF LOAD REGULATION
MAX5066 toc07
I
REF
(
µ
A)
V
REF
(V)
700
600
500
400
300
200
100
3.290
3.295
3.300
3.305
3.285
08
0
0
V
IN
= 24V
V
IN
= 5V
V
IN
= 12V
T
ypical Operating Characteristics
(Circuit of Figure 6, T
A
= +25°C, unless otherwise noted. V
IN
= 12V, V
OUT1
= 0.8V, V
OUT2
= 1.3V, f
SW
= 500kHz per phase.)
MAX5066
Configurable, Single-/Dual-Output, Synchr
onous
Buck Contr
oller for High-Curr
ent Applications
_______________________________________________________________________________________
5
MAX5066
Configurable, Single-/Dual-Output, Synchr
onous
Buck Contr
oller for High-Curr
ent Applications
6
_______________________________________________________________________________________
REF LINE REGULATION
MAX5066 toc08
V
IN
(V)
V
REF
(V)
23
21
19
17
15
13
11
9
7
3.297
3.298
3.299
3.300
3.301
3.302
3.303
3.296
5
I
REF
= 200
µ
A
I
REF
= 0
DRIVER RISE TIME
vs. LOAD CAPACITANCE
MAX5066 toc09
C
LOAD
(nF)
t
RISE
(ns)
20
18
14
16
4
6
8
10
12
2
10
20
30
40
50
60
70
80
90
100
0
02
2
DH
DL
DRIVER FALL TIME
vs. LOAD CAPACITANCE
MAX5066 toc10
C
LOAD
(nF)
t
FALL
(ns)
20
18
14
16
4
6
8
10
12
2
5
10
15
20
25
30
35
40
0
02
2
DH
DL
HIGH-SIDE DRIVER RISE TIME
(V
IN
= 12V, C
LOAD
= 10nF)
MAX5066 toc11
DH_
2V/div
20ns/div
HIGH-SIDE DRIVER FALL TIME
(V
IN
= 12V, C
LOAD
= 10nF)
MAX5066 toc12
DH_
2V/div
20ns/div
LOW-SIDE DRIVER RISE TIME
(V
IN
= 12V, C
LOAD
= 10nF)
MAX5066 toc13
DL_
2V/div
20ns/div
T
ypical Operating Characteristics (continued)
(Circuit of Figure 6, T
A
= +25°C, unless otherwise noted. V
IN
= 12V, V
OUT1
= 0.8V, V
OUT2
= 1.3V, f
SW
= 500kHz per phase.)
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P22
MAX5066EUI+
Mfr. #:
Buy MAX5066EUI+
Manufacturer:
Maxim Integrated
Description:
Switching Controllers Synch Buck Controller
Lifecycle:
New from this manufacturer.
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