MAX8550 Maxim Integrated Products, MAX8550 Datasheet - Page 6
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MAX8550
Manufacturer Part Number
MAX8550
Description
(MAX8550 / MAX8551) Integrated DDR Power-Supply Solutions
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX8550.pdf
(29 pages)
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www.DataSheet.co.kr
Integrated DDR Power-Supply Solutions for
Desktops, Notebooks, and Graphic Cards
(V
6
VIN
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.20
100
700
680
660
640
620
600
580
560
540
520
500
480
460
440
420
400
_______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
0
SWITCHING FREQUENCY vs. INPUT VOLTAGE
= 12V, V
0.01
-3
4
f
SW
6
EFFICIENCY vs. LOAD CURRENT
= 600kHz
-2
8 10 12 14 16 18
OUT
0.1
vs. VTT CURRENT
VTT VOLTAGE
-1
V
= 2.5V, TON = GND, SKIP = AV
(TON = GND)
(TON = GND)
OUT
I
LOAD
I
V
VTT
= 1.5V
IN
1
0
(V)
(A)
(A)
V
OUT
20 22
1
= 1.8V
I
V
LOAD
I
SKIP = GND
SKIP = AV
10
LOAD
OUT
24
= 12A
2
= 2.5V
= 0A
26
DD
100
28
3
1.28
1.27
1.26
1.25
1.24
1.23
1.22
1.21
1.20
100
700
690
680
670
660
650
640
630
620
610
600
90
80
70
60
50
40
30
20
10
DD
0
SWITCHING FREQUENCY vs. TEMPERATURE
0.01
-40
-15
, circuit of Figure 8, T
f
SW
-25
EFFICIENCY vs. LOAD CURRENT
= 300kHz
-10
-10
0.1
vs. VTTR CURRENT
TEMPERATURE (°C)
VTTR VOLTAGE
-5
(TON = OPEN)
(TON = GND)
5
I
I
VTTR
LOAD
V
20
OUT
1
0
(mA)
(A)
Typical Operating Characteristics
= 1.5V
35
V
A
5
OUT
50
= +25°C, unless otherwise noted.)
SKIP = GND
SKIP = AV
10
I
V
LOAD
= 1.8V
OUT
65
10
= 12A
= 2.5V
DD
80
100
15
2.540
2.535
2.530
2.525
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
700
650
600
550
500
450
400
350
300
250
200
150
100
50
0
SWITCHING FREQUENCY vs. LOAD CURRENT
0
4
0
6
1
2
8 10 12 14 16 18
2
3
vs. LOAD CURRENT
OUTPUT VOLTAGE
LINE REGULATION
4
(V
4
(TON = GND)
OUT
5
I
I
6
LOAD
LOAD
V
IN
vs. V
6
(V)
(A)
(A)
8
7
IN
I
LOAD
20 22
I
)
LOAD
8
V
TON = GND
10
IN
SKIP = GND
SKIP = AV
SKIP = GND
SKIP = AV
= 0A
9
= 15V,
= 12A
24
10
12
26
11
DD
DD
28
12
14
Datasheet pdf - http://www.DataSheet4U.net/