Datasheet

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
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