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MAX5066EUI+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
MAX5066
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current 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
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
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
5µA
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
(kΩ)
OSCILLATOR FREQUENCY (kHz)
900800700600500400300200100
100
1000
10,000
10
01000
C
DH
= C
DL
= 0
SUPPLY CURRENT
vs. TEMPERATURE AND FREQUENCY
(V
IN
= 5V)
MAX5066 toc02a
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
11095-25 -10 5 35 50 6520 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)
11095-25 -10 5 35 50 6520 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)
11095-25 -10 5 35 50 6520 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)
18001600400 600 800 12001000 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)
252015105
10
20
30
40
50
60
70
80
90
100
0
030
C
LOAD
= C
DH
= C
DL
REG LOAD REGULATION
MAX5066 toc05
I
REG
(mA)
V
REG
(V)
908070605040302010
4.95
5.00
5.05
5.10
4.90
0100
V
IN
= 12V
V
IN
= 24V
V
IN
= 5.5V
REG LINE REGULATION
MAX5066 toc06
V
IN
(V)
V
REG
(V)
2321191715131197
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
(µA)
V
REF
(V)
700600500400300200100
3.290
3.295
3.300
3.305
3.285
0800
V
IN
= 24V
V
IN
= 5V
V
IN
= 12V
Typical 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, Synchronous
Buck Controller for High-Current Applications
_______________________________________________________________________________________ 5
MAX5066
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
6 _______________________________________________________________________________________
REF LINE REGULATION
MAX5066 toc08
V
IN
(V)
V
REF
(V)
232119171513119
7
3.297
3.298
3.299
3.300
3.301
3.302
3.303
3.296
5
I
REF
= 200µA
I
REF
= 0
DRIVER RISE TIME
vs. LOAD CAPACITANCE
MAX5066 toc09
C
LOAD
(nF)
t
RISE
(ns)
201814 164 6 8 10 122
10
20
30
40
50
60
70
80
90
100
0
022
DH
DL
DRIVER FALL TIME
vs. LOAD CAPACITANCE
MAX5066 toc10
C
LOAD
(nF)
t
FALL
(ns)
201814 164 6 8 10 122
5
10
15
20
25
30
35
40
0
022
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
Typical 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-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

MAX5066EUI+T

Mfr. #:
Buy MAX5066EUI+T
Manufacturer:
Maxim Integrated
Description:
Switching Controllers Synch Buck Controller
Lifecycle:
New from this manufacturer.
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