参数资料
型号: MAX8550AETI+T
厂商: Maxim Integrated Products
文件页数: 6/29页
文件大小: 0K
描述: IC PWR SUP DDR INTEG 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
应用: 控制器,DDR
输入电压: 2 V ~ 28 V
输出数: 2
输出电压: 1.8V,2.5V,0.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
供应商设备封装: 28-TQFN-EP(5x5)
包装: 带卷 (TR)
Integrated DDR Power-Supply Solution for
Desktops, Notebooks, and Graphic Cards
Typical Operating Characteristics
(V VIN = 12V, V OUT = 2.5V, TON = GND, SKIP = AV DD , circuit of Figure 8, T A = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(TON = GND)
EFFICIENCY vs. LOAD CURRENT
(TON = OPEN)
SWITCHING FREQUENCY vs. LOAD CURRENT
(TON = GND)
100
90
80
70
f SW = 600kHz
V OUT = 2.5V
100
90
80
70
f SW = 300kHz
V OUT = 2.5V
700
650
600
550
500
60
50
40
30
V OUT = 1.5V
V OUT = 1.8V
60
50
40
30
V OUT = 1.8V
V OUT = 1.5V
450
400
350
300
250
200
20
10
0
SKIP = GND
SKIP = AV DD
20
10
0
SKIP = GND
SKIP = AV DD
150
100
50
0
SKIP = GND
SKIP = AV DD
0.01
0.1
1
10
100
0.01
0.1
1
10
100
0
1
2
3
4
5
6
7
8
9 10 11 12
I LOAD (A)
SWITCHING FREQUENCY vs. INPUT VOLTAGE
(TON = GND)
700
I LOAD (A)
SWITCHING FREQUENCY vs. TEMPERATURE
(TON = GND)
700
2.540
I LOAD (A)
OUTPUT VOLTAGE
vs. LOAD CURRENT
680
660
640
620
600
580
560
540
520
500
480
460
440
420
400
I LOAD = 12A
I LOAD = 0A
690
680
670
660
650
640
630
620
610
600
I LOAD = 12A
2.535
2.530
2.525
2.520
2.515
2.510
2.505
2.500
2.495
2.490
V IN = 15V,
TON = GND
SKIP = GND
SKIP = AV DD
4
6
8 10 12 14 16 18 20 22 24 26 28
-40 -25 -10
5
20
35
50
65
80
0
2
4
6
8
10
12
14
1.28
1.27
V IN (V)
VTT VOLTAGE
vs. VTT CURRENT
1.28
1.27
TEMPERATURE ( ° C)
VTTR VOLTAGE
vs. VTTR CURRENT
2.55
2.54
I LOAD (A)
LINE REGULATION
(V OUT vs. V IN )
1.26
1.25
1.24
1.23
1.22
1.21
1.20
1.26
1.25
1.24
1.23
1.22
1.21
1.20
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
I LOAD = 0A
I LOAD = 12A
-3
-2
-1
0
1
2
3
-15
-10
-5
0
5
10
15
4
6
8 10 12 14 16 18 20 22 24 26 28
I VTT (A)
I VTTR (mA)
V IN (V)
6
_______________________________________________________________________________________
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