MAX5037 MAXIM [Maxim Integrated Products], MAX5037 Datasheet - Page 5

• Manufacturer Part Number: MAX5037
• Description: VRM 9.0, Dual-Phase, Parallelable, Average Current-Mode Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

(Circuit of Figure 1, T
100
100
100
90
80
70
60
50
40
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
-40
EFFICIENCY vs. OUTPUT CURRENT AND
0
0
V
f
V
V
SW
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE AND FREQUENCY
V
C
C
IN
EFFICIENCY vs. OUTPUT CURRENT
IN
OUT
4
4
IN
DL_
DH_
= +12V
= +5V
= 250kHz
= +12V
= +1.8V
8
8
= 22nF
= 8.2nF
-15
AND OUTPUT VOLTAGE
12
12
SUPPLY CURRENT
16
16
TEMPERATURE (°C)
V
OUT
20
20
f = 500kHz
V
10
f = 250kHz
_______________________________________________________________________________________
A
OUT
I
I
OUT
OUT
24
= +1.5V
24
= +25°C, unless otherwise noted.)
= +1.1V
28
28
(A)
(A)
250kHz
125kHz
35
32
32
36
36
V
OUT
40
40
60
= +1.8V
44
44
VRM 9.0, Dual-Phase, Parallelable,
48
48
52
52
85
Average Current-Mode Controller
100
100
175
150
125
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
75
50
25
0
0
-40
0
0
V
f
V
f
SW
SW
vs. TEMPERATURE AND FREQUENCY
V
C
C
OUT
IN
EFFICIENCY vs. OUTPUT CURRENT
EFFICIENCY vs. OUTPUT CURRENT
4
4
IN
DL_
DH_
= +5V
= 250kHz
= 500kHz
= +5V
= +1.8V
8
8
= 22nF
= 8.2nF
-15
600kHz
AND OUTPUT VOLTAGE
12
12
AND INPUT VOLTAGE
V
SUPPLY CURRENT
16
16
OUT
TEMPERATURE (°C)
500kHz
V
V
IN
20
20
V
OUT
= +1.5V
10
IN
= +12V
I
I
OUT
OUT
24
24
= +5V
= +1.1V
28
28
(A)
(A)
Typical Operating Characteristics
35
32
32
36
36
V
OUT
40
40
60
= +1.8V
44
44
48
48
52
52
85
12.0
11.5
11.0
10.5
10.0
100
100
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
100
1
0
vs. FREQUENCY AND INPUT VOLTAGE
vs. LOAD CAPACITANCE PER DRIVER
EFFICIENCY vs. OUTPUT CURRENT
V
V
f
150
SW
4
IN
OUT
= +24V
3
= 125kHz
8
200 250 300 350
= +1.8V
12
SUPPLY CURRENT
SUPPLY CURRENT
5
16
FREQUENCY (kHz)
V
20
C
IN
DRIVER
7
I
OUT
= +5V
24
V
IN
28
(A)
(nF)
= +24V
9
400 450
32
EXTERNALCLOCK
NO DRIVER LOAD
V
IN
36
V
f
11
SW
= +12V
IN
40
500
= +12V
= 250kHz
44
13
550
48
600
15
52
5