參數(shù)資料
型號: MAX1881EUG
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Quad-Output TFT LCD DC-DC Converters with Buffer
中文描述: 2.05 A SWITCHING REGULATOR, 625 kHz SWITCHING FREQ-MAX, PDSO24
封裝: 4.40 MM, 1.10 MM HEIGHT, MO-153AD, TSSOP-24
文件頁數(shù): 14/38頁
文件大?。?/td> 1051K
代理商: MAX1881EUG
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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MAX1882EUG Quad-Output TFT LCD DC-DC Converters with Buffer
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參數(shù)描述
MAX1881EUG+ 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD 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
MAX1881EUG+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Quad-Output TFT LCD 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
MAX1881EUG-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
MAX1882EUG 功能描述:LCD 驅(qū)動器 Quad-Output TFT LCD DC-DC Converter with Buffer RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX1882EUG-T 功能描述:LCD 驅(qū)動器 Quad-Output TFT LCD DC-DC Converter with Buffer RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube