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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)： | 14/18頁 |
| 文件大?。?/td> | 336K |
| 代理商： | MAX1917 |
M
Tracking, Sinking and Sourcing, Synchronous Buck
Controller for DDR Memory and Termination Supplies
14
______________________________________________________________________________________
POK
V+
DDR
EN/HSD
REF
GND
ILIM
VTT
VTTR
PGND
VL
BST
DH
LX
DL
FSEL
4.5V TO 15V
C2
4 x 330
μ
F
6V
C1
1
μ
F
25V
C8
0.47
μ
F/10V
PGND
C3
4.7
μ
F
10V
C4
0.47
μ
F
10V
C9
0.22
μ
F
25V
2.5V
2.5V AT 12A
L1
0.75
μ
H/24A
IRF7822
Q2
Q1
IRF7822
D1
CMPSH-3
Q3
2N7002K
R3
20k
R2
5.1k
R4
15k
0.1%
R5
10k
0.1%
5V
POK
VL
OUTPUT CAPACITORS ARE SELECTED TO COMPLY WITH JEDEC SPECIFICATIONS
C6
3 x 560
μ
F
4V
C5
1
μ
F
6.3V
V
OUT
V
IN
R6
MAX1917
SHDN
3
10
2
1
7
5
6
8
11
14
15
16
12
13
4
9
Figure 7. Circuit to Generate a Fixed 2.5V at 12A Output with a Wide Input Voltage Range
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/10V
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
Si1029X
R3
20k
`
R2
10k
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 6. Typical Application Circuit Using P/N-Channel MOSFETs for EN to Minimize the Supply Current from V
IN
in Shutdown Mode
Typical Application Circuits (continued)
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1917EEE | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1917EEE+ | 功能描述:直流/直流開關轉換器 Track/Sink/Source Synchronous Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1917EEE+T | 功能描述:直流/直流開關轉換器 Track/Sink/Source Synchronous Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1917EEE-T | 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX1917EEE-TG068 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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