參數(shù)資料
型號: MAX1917
廠商: Maxim Integrated Products, Inc.
英文描述: Tracking, Sinking and Sourcing, Synchronous Buck Controller for DDR Memory and Termination Supplies
中文描述: 跟蹤、可吸入/源出電流、同步buck控制器,用于DDR存儲器及端接電源
文件頁數(shù): 13/18頁
文件大?。?/td> 336K
代理商: MAX1917
M
Tracking, Sinking and Sourcing, Synchronous Buck
Controller for DDR Memory and Termination Supplies
______________________________________________________________________________________
13
POK
V+
DDR
EN/HSD
REF
GND
ILIM
VTT
VTTR
PGND
VL
BST
DH
LX
DL
FSEL
2.5V
C2
2 x 330
μ
F
6V
C1
1
μ
F
6.3V
C8
0.47
μ
F/10V
V+
V
DDR
PGND
C3
4.7
μ
F
10V
C4
0.47
μ
F
10V
C7
1
μ
F/6.3V
C9
0.47
μ
F/25V
2.5V
5.5V TO 14V
1.25V AT 7A
L1
0.68
μ
H/9A
IRF7463
Q2
Q1
IRF7463
D1
CMPSH-3
Q3
2N7002K
R3
20k
R2
5.1k
VL
VL
SHDN
POK
VL
OUTPUT CAPACITORS ARE SELECTED TO COMPLY WITH JEDEC SPECIFICATIONS
C6
4 x 270
μ
F
2V
V
OUT
V
IN
VTTR
MAX1917
2m
3
10
2
1
7
5
6
8
11
14
15
16
12
13
4
9
Typical Application Circuits (continued)
POK
V+
DDR
EN/HSD
REF
GND
ILIM
VTT
VTTR
PGND
VL
BST
DH
LX
DL
FSEL
2.5V
C2
330
μ
F
6V
C1
1
μ
F
6.3V
C8
0.47
μ
F/10V
V+
V
DDR
PGND
C3
2.2
μ
F
10V
C4
0.22
μ
F
10V
C7
1
μ
F/6.3V
C9
0.47
μ
F/25V
2.5V
5.5V TO 14V
1.25V AT 3.5A
L1
1.0
μ
H/5A
Q2
IRF7811W
Q1
IRF7811W
D1
CMPSH-3
Q3
2N7002K
R3
20k
R2
5.1k
VL
VL
SHDN
POK
VL
OUTPUT CAPACITORS ARE SELECTED TO COMPLY WITH JEDEC SPECIFICATIONS.
C6
3 x 270
μ
F
2V
C5
10
μ
F
6.3V
V
OUT
V
IN
VTTR
MAX1917
3
10
2
1
7
5
6
8
11
14
15
16
12
13
4
9
Figure 5. Typical Application Circuit for 1.25V at 3.5A Output
Figure 4. Typical Application Circuit for 1.25V at 7A Output Using Voltage Positioning
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