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參數(shù)資料
| 型號(hào)： | MAX1778 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 32-Bit Digital Signal Controller with ROM 100-LQFP -40 to 85 |
| 中文描述： | 四路輸出、TFT LCD DC-DC轉(zhuǎn)換器，帶有緩沖器 |
| 文件頁(yè)數(shù)： | 14/38頁(yè) |
| 文件大?。?/td> | 1051K |
| 代理商： | MAX1778 |
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M
Quad-Output TFT LCD DC-DC
Converters with Buffer
14
______________________________________________________________________________________
2.45
2.47
2.49
2.51
2.53
2.55
2.5
3.5
3.0
4.0
4.5
5.0
5.5
M
V
IN
(V)
V
L
LINEAR-REGULATOR OUTPUT VOLTAGE
vs. INPUT VOLTAGE
(EXTERNAL LINEAR REGULATOR)
I
LDO
= 0
I
LDO
= 750mA
FIGURE 7
2.55
2.45
0.1
1
10
100
1000
2.47
M
I
LDO
(mA)
V
L
2.49
2.51
2.53
LINEAR-REGULATOR OUTPUT VOLTAGE
vs. LOAD CURRENT
(EXTERNAL LINEAR REGULATOR)
FIGURE 7
B
A
2.45V
250mA
2.55V
50mA
2.50V
100
μ
s/div
EXTERNAL LINEAR-REGULATOR
LOAD-TRANSIENT RESPONSE
A. I
LDO
= 50mA TO 250mA, 200mA/div
B. V
LDO
= 2.5V, 50mV/div
FIGURE 7
MAX1778 toc36
C
B
A
0.5A
0
2.5V
7.8V
8.0V
1A
10
μ
s/div
EXTERNAL LINEAR-REGULATOR
RIPPLE REJECTION
A. V
LDO
= 2.5V, I
LDO
= 200mA, 10mV/div
B. V
MAIN
= V
C. I
= 0 TO 750mA, 500mA/div
FIGURE 7
-2.5
-1.5
-0.5
1.5
0.5
2.5
0
2
4
6
V
CM
(V)
8
10
12
14
M
V
O
INPUT OFFSET VOLTAGE DEVIATION
vs. COMMON-MODE VOLTAGE
V
SUPB
= 4.5V
V
SUPB
= 13V
-1.0
-0.6
-0.2
0.2
0.6
1.0
4
8
6
10
12
14
M
V
SUPB
(V)
V
O
INPUT OFFSET VOLTAGE DEVIATION
vs. BUFFER SUPPLY VOLTAGE
V
CM
= V
SUPB
/ 2
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= +3.3V,
SHDN
= IN, V
MAIN
= V
SUPP
= V
SUPN
= V
SUPB
= V
SUPL
= 8V, BUF- = BUFOUT,
BUF+ = FLTSET = TGND = PGND = GND, T
A
= +25
°
C.)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1778EUG | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EUG+ | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EUG+T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD w/Buffer RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EUG-T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1778EVKIT | 功能描述:電源管理IC開(kāi)發(fā)工具 MAX1778/80/81/82 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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