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)： 7/18頁
文件大?。?/td> 336K
代理商： MAX1917
M
Tracking, Sinking and Sourcing, Synchronous Buck
Controller for DDR Memory and Termination Supplies
_______________________________________________________________________________________
7
300
400
350
500
450
600
550
650
1
5
7
3
9
13
11
15
FREQUENCY vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
F
CIRCUIT OF FIGURE 3
I
OUT
= 7A
I
OUT
= 0.1A
520
526
524
522
530
528
538
536
534
532
540
-40
-20
0
20
40
60
80
100
FREQUENCY vs. TEMPERATURE
M
TEMPERATURE (
°
C)
F
CIRCUIT OF FIGURE 3
I
LOAD
= 3.5A
1.0
2.0
1.5
3.0
2.5
3.5
4.0
1
7
9
3
5
11
13
15
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
μ
A
CIRCUIT OF FIGURE 6
0.5
1.1
0.9
0.7
1.5
1.3
2.3
2.1
1.9
1.7
2.5
1
3
5
7
9
11
13
15
SHUTDOWN CURRENT
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
S
CIRCUIT OF FIGURE 3
1.22
1.24
1.27
1.26
1.29
1.31
1.30
1.32
-7
-3
-1
-5
1
3
5
7
LOAD REGULATION WITHOUT
DROOP RESISTOR
M
LOAD CURRENT (A)
O
V
DDR
= 2.5V
V
IN
= 5V
V
IN
= 12V
V
IN
= 2.5V
1.28
1.23
1.25
1.15
1.17
1.21
1.19
1.23
1.33
1.35
-8
-4
-2
-6
0
2
4
6
8
LOAD REGULATION WITH
DROOP RESISTOR
M
LOAD CURRENT (A)
O
V
DDR
= 2.5V
V
IN
= 12V
V
IN
= 5V
V
IN
= 2.5V
1.25
1.27
1.29
1.31
I
OUT
5A/div
V
VTT
50mV/div
20
μ
s/div
TRANSIENT LOAD RESPONSE
WITHOUT DROOP RESISTOR
CIRCUIT OF FIGURE 3
OA
MAX1917 toc14
I
OUT
5A/div
V
VTT
50mV/div
20
μ
s/div
TRANSIENT LOAD RESPONSE
WITH DROOP RESISTOR
CIRCUIT OF FIGURE 3
0A
V
1V/div
V
5V/div
V
DDR
2.5V
V
EN/HSD
10V/div
400
μ
s/div
POWER-UP WITH V
DDR
TRACKING
Typical Operating Characteristics (continued)
(V+ = 12V, V
OUT
= 1.25V, T
A
= +25
°
C, unless otherwise noted.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1917EEE 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
MAX1917EEE+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Track/Sink/Source Synchronous Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
MAX1917EEE+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Track/Sink/Source Synchronous Buck RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)格:SMD/SMT
MAX1917EEE-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)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(fēng)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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