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)： 3/38頁
文件大?。?/td> 1051K
代理商： MAX1881EUG
M
Quad-Output TFT LCD DC-DC
Converters with Buffer
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +3.0V,
SHDN
= IN, V
SUPP
= V
SUPN
= V
SUPB
= V
SUPL
= 10V, LDOOUT = FBL, BUF- = BUFOUT, BUF+ = FLTSET = TGND =
PGND = GND, C
REF
= 0.22μF, C
BUF
= 1μF,
T
A
= 0
°
C to +85
°
C
. Typical values are at T
A
= +25
°
C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MAIN STEP-UP CONVERTER
Main Output Voltage Range
V
MAIN
Integrator enabled, C
INTG
= 1000pF
FB Regulation Voltage
V
FB
Integrator disabled (INTG = REF)
FB Input Bias Current
I
FB
V
FB
= 1.25V, INTG = GND
MAX1778/MAX1880/MAX1883
Operating Frequency
f
OSC
MAX1881/MAX1882/MAX1884/MAX1885
MIN
TYP
MAX
UNITS
V
IN
1.234
1.220
-50
0.85
425
13
V
1.247
1.260
1.280
+50
1.15
575
V
nA
MHz
kHz
1
500
Oscillator Maximum Duty
Cycle
80
85
91
%
Integrator enabled,
C
INTG
= 1000pF
0.01
Load Regulation
I
LX
= 0 to 200mA,
V
MAIN
= 10V
Integrator disabled
(INTG = REF)
0.2
%
Line Regulation
Integrator Transconductance
LX Switch On-Resistance
LX Leakage Current
0.1
317
0.35
0.01
0.38
0.75
1.12
1.5
1
%/V
μs
R
LX(ON)
I
LX
I
LX
= 100mA
V
LX
= 13V
Phase I = soft-start (1024/f
OSC
)
Phase II = soft-start (1024/f
OSC
)
Phase III = soft-start (1024/f
OSC
)
Phase IV = fully-on (after 3072/f
OSC
)
0.7
20
0.5
μA
0.275
LX Current Limit
I
LIM
1.15
1.85
A
Maximum RMS LX Current
Soft-Start Period
A
s
t
SS
Power-up to the end of Phase III
Falling edge, FLTSET = GND
Falling edge, FLTSET = 1V
3072 / f
OSC
1.1
0.99
1.07
0.955
1.14
1.025
FB Fault Trip Level
V
POSITIVE CHARGE PUMP (MAX1778/MAX1880/MAX1881/MAX1882 ONLY)
SUPP Input Supply Range
V
SUPP
Operating Frequency
f
CHP
FBP Regulation Voltage
V
FBP
FBP Input Bias Current
I
FBP
DRVP PCH On-Resistance
R
PCH(ON)
2.7
13
V
Hz
V
nA
0.5 x f
OSC
1.25
1.2
-50
1.3
+50
10
4
V
FBP
= 1.5V
5
2
k
A
V
V
FBP
= 1.2V
V
FBP
= 1.3V
DRVP NCH On-Resistance
R
NCH(ON)
20
Maximum RMS DRVP Current
FBP Power-Ready Trip Level
0.1
1.125
1.11
0.99
Rising edge
Falling edge, FLTSET = GND
Falling edge, FLTSET = 1V
1.09
1.08
0.955
1.16
1.16
1.025
FBP Fault Trip Level
V
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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
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