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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)： | 13/38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
______________________________________________________________________________________
13
0
1
1000
100
10
FREQUENCY (kHz)
100
40
20
80
60
M
P
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
C
LDOOUT
= 4.7
μ
F
I
LDOOUT
= 40mA
0
40
REGION OF STABLE C
LDOOUT
ESR
vs. LOAD CURRENT
M
I
LDOOUT
(mA)
C
L
)
10
20
30
100
0.01
0.1
10
1
C
LDOOUT
= 1
μ
F
STABLE REGION
B
A
4.96V
4OmA
0
5.00V
100
μ
s/div
LOAD-TRANSIENT RESPONSE
(INTERNAL LINEAR REGULATOR)
A. I
LDO
= 100
μ
A TO 40mA, 40mA/div
B. V
LDO
= 5V, 20mV/div
V
SUPL
= V
LDO
+ 500mV
B
A
4.94V
4OmA
0
5.00V
100
μ
s/div
LOAD-TRANSIENT RESPONSE NEAR
DROPOUT (INTERNAL LINEAR REGULATOR)
A. I
LDO
= 100
μ
A TO 40mA, 40mA/div
B. V
LDO
= 5V, 20mV/div
V
IN
= V
LDO
+ 100mV
MAX1778 toc31
C
B
A
0.5A
0
5.0V
8.0V
1.0A
10
μ
s/div
INTERNAL LINEAR-REGULATOR
RIPPLE REJECTION
A. V
LDOOUT
= 5V, I
= 40mA, 10mV/div
B. V
MAIN
= V
SUPL
= 8V, 200mV/div
C. I
MAIN
= 0 TO 750mA, 500mA/div
MAX1778 toc32
C
B
A
4V
2V
2V
0
2V
4V
0
400
μ
s/div
INTERNAL LINEAR-REGULATOR
STARTUP
A. V
S
HDN
= 0 TO 2V, 2V/div
B. V
LDOOUT
= 5V, R
LDOOUT
= 125
, 2V/div
C. V
MAIN
= 8V, R
MAIN
= 40
, 2V/div
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 |
| MAX1778EUG+ | 功能描述:直流/直流開關(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 |
| MAX1778EVKIT | 功能描述:電源管理IC開發(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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