參數(shù)資料
型號(hào)： 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(yè)數(shù)： 9/38頁(yè)
文件大?。?/td> 1051K
代理商： MAX1881EUG
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
_______________________________________________________________________________________
9
7.88
7.92
7.96
8.00
8.04
8.08
8.12
0
200
400
600
800
MAIN 8V OUTPUT VOLTAGE
vs. LOAD CURRENT
M
I
OUT
(mA)
V
O
V
IN
= 5V
R
COMP
= 24k
C
COMP
= 470pF
V
IN
= 3.3V
C
INTG
= 470pF
40
50
60
70
80
90
100
0
200
400
600
800
MAIN 8V OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
I
OUT
(mA)
E
V
IN
= 3.3V
V
OUT
= 8V
R
COMP
= 24k
C
COMP
= 470pF
C
INTG
= 470pF
V
IN
= 5V
11.76
11.92
11.84
12.08
12.00
12.16
12.24
0
200
300
100
400
500
600
MAIN 12V OUTPUT VOLTAGE
vs. LOAD CURRENT
M
I
OUT
(mA)
V
O
FIGURE 8
C
INTG
= 470pF
V
IN
= 3.3V
V
IN
= 5V
40
60
50
80
70
90
100
0
200
300
100
400
500
600
MAIN 12V OUTPUT EFFICIENCY
vs. LOAD CURRENT
M
I
OUT
(mA)
E
FIGURE 8
V
OUT
= 12V
C
INTG
= 470pF
V
IN
= 3.3V
V
IN
= 5V
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
2.5
3.5
3.0
4.0
4.5
5.0
5.5
STEP UP CONVERTERS
SWITCHING FREQUENCY vs. INPUT VOLTAGE
M
V
IN
(V)
S
MAX1778
19.2
19.4
19.8
19.6
20.0
20.2
POSITIVE CHARGE-PUMP OUTPUT VOLTAGE
vs. LOAD CURRENT
M
I
POS
(mA)
V
P
0
10
5
15
20
V
SUPP
= 10V
V
SUPP
= 8V
V
SUPP
= 7.5V
V
SUPP
= 7V
30
80
70
90
100
POSITIVE CHARGE-PUMP EFFICIENCY
vs. LOAD CURRENT
M
I
NEG
(mA)
E
0
10
5
15
20
V
POS
= 20V
V
SUPP
= 7.5V
V
SUPP
= 7V
V
SUPP
= 8V
V
SUPP
= 10V
60
50
40
5
15
10
25
20
35
30
40
2
6
8
4
10
12
14
MAXIMUM POSITIVE CHARGE-PUMP
OUTPUT VOLTAGE vs. SUPPLY VOLTAGE
M
V
SUPP
(V)
V
P
I
POS
= 10mA
I
POS
= 1mA
-5.04
-5.00
-5.02
-4.96
-4.98
-4.92
-4.94
-4.90
NEGATIVE CHARGE-PUMP OUTPUT VOLTAGE
vs. LOAD CURRENT
M
I
NEG
(mA)
V
N
0
10
20
30
40
V
SUPN
= 7V
V
SUPN
= 8V
V
SUPN
= 6V
Typical Operating Characteristics
(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
MAX1881EUG+ 功能描述:直流/直流開(kāi)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(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
MAX1881EUG+T 功能描述:直流/直流開(kāi)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(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
MAX1881EUG-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
MAX1882EUG 功能描述:LCD 驅(qū)動(dòng)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(shí)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(dòng)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(shí)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
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