MAX15023 Maxim Integrated Products, MAX15023 Datasheet - Page 5

• Manufacturer Part Number: MAX15023
• Description: Dual-Output Synchronous Buck Controller
• Manufacturer: Maxim Integrated Products

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(Supply = IN = 12V, unless otherwise noted. See Typical Application Circuit of Figure 6.)
1300
1200
1100
1000
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
900
800
700
600
500
400
300
200
100
95
90
85
80
75
70
65
60
55
50
45
40
35
30
0.1
10
0
15 30 45
20
V
OUT1
SWITCHING FREQUENCY
30
= 3.3V
vs. LOAD CURRENT
vs. LOAD CURRENT
LOAD CURRENT (mA)
LOAD CURRENT (A)
1
V
EFFICIENCY
40
CC
60
_______________________________________________________________________________________
vs. R
R
VOLTAGE
T
50
V
75 90
(kΩ)
OUT1
T
60
= 1.2V
10
105
70
Wide 4.5V to 28V Input, Dual-Output
120
V
IN
= 12V
80
135
100
150
90
5.50
5.35
5.20
5.05
4.90
4.75
4.60
4.45
4.30
4.15
4.00
100
800
750
700
650
600
550
500
450
400
350
300
250
200
95
90
85
80
75
70
65
60
55
50
45
40
35
30
Synchronous Buck Controller
0.1
-40
4
R
T
= 66.5kΩ
8
-15
V
SWITCHING FREQUENCY
R
OUT1
T
= 33.2kΩ
vs. LOAD CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
LOAD CURRENT (A)
vs. IN VOLTAGE
I
I
LOAD
12
= 3.3V
1
LOAD
V
EFFICIENCY
IN VOLTAGE (V)
CC
10
R
= 50mA
T
= 5mA
VOLTAGE
= 22.1kΩ
V
16
OUT1
Typical Operating Characteristics
35
= 1.2V
10
20
V
IN
= V
60
CC
24
= 5V
100
85
28
101.0
100.8
100.6
100.4
100.2
100.0
99.8
99.6
99.4
99.2
99.0
5.50
5.45
5.40
5.35
5.30
5.25
5.20
5.15
5.10
5.05
5.00
210
180
150
120
90
60
30
0
-40
200
0
V
I
LOAD
IN
300
C
= 12V
DL
vs. SWITCHING FREQUENCY
OUTPUT VOLTAGE CHANGE
2
= 5mA
-15
= C
SWITCHING FREQUENCY (kHz)
400
C
vs. LOAD CURRENT
vs. TEMPERATURE
DH
DL
TEMPERATURE (°C)
LOAD CURRENT (A)
4
= 10nF
= C
V
I
500
IN
CC
10
DH
CURRENT
VOLTAGE
= 0nF
600
6
OUT1
C
35
DL
C
700
DL
= C
8
= C
DH
800
DH
= 4.7nF
30
10
= 1nF
900
1000
12
85
5