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| 型號(hào)： | MAX1748EUE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | Triple-Output TFT LCD DC-DC Converter |
| 中文描述： | 2 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 4.40 MM, 1.10 MM HEIGHT, 0.65 MM PITCH, MO-153-AB, TSSOP-16 |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 277K |
| 代理商： | MAX1748EUE |
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M
Triple-Output TFT LCD DC-DC Converter
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
, TGND to GND.........................................-0.3V to +6V
DRVN to GND.........................................-0.3V to (V
SUPN
+ 0.3V)
DRVP to GND..........................................-0.3V to (V
SUPP
+ 0.3V)
PGND to GND.....................................................................±0.3V
RDY
to GND ...........................................................-0.3V to +14V
LX, SUPP, SUPN to PGND .....................................-0.3V to +14V
INTG, REF, FB, FBN, FBP to GND...............-0.3V to (V
IN
+ 0.3V)
ELECTRICAL CHARACTERISTICS
(V
IN
= +3.0V,
SHDN
= IN, V
SUPP
= V
SUPN
= 10V, TGND = PGND = GND, C
REF
= 0.22μF, C
INTG
= 470pF,
T
A
= 0°C to +85°C
, unless
otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
Input Supply Range
V
IN
Input Undervoltage Threshold
V
UVLO
V
IN
rising, 40mV hysteresis (typ)
IN Quiescent Supply Current
I
IN
V
FB
= V
FBP
= 1.5V, V
FBN
= -0.2V
SUPP Quiescent Current
I
SUPP
V
FBP
= 1.5V
SUPN Quiescent Current
I
SUPN
V
FBN
= -0.1V
IN Shutdown Current
V
SHDN
= 0, V
IN
= 5V
SUPP Shutdown Current
V
SHDN
= 0, V
SUPP
= 13V
SUPN Shutdown Current
V
SHDN
= 0, V
SUPN
= 13V
MAIN BOOST CONVERTER
Output Voltage Range
V
MAIN
FB Regulation Voltage
V
FB
T
A
= 0
°
C to +85
°
C
FB Input Bias Current
I
FB
V
FB
= 1.25V, INTG = GND
Operating Frequency
f
OSC
Oscillator Maximum Duty Cycle
Load Regulation
I
MAIN
= 0 to 200mA, V
MAIN
= 10V
Line Regulation
Integrator Gm
LX Switch On-Resistance
R
LX(ON)
I
LX
= 100mA
LX Leakage Current
I
LX
V
LX
= 13V
Phase I = soft-start (1.0ms)
Phase II = soft-start (1.0ms)
Phase III = soft-start (1.0ms)
Phase IV = fully on (after 3.0ms)
Maximum RMS LX Current
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70°C)
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ..........755mW
Operating Temperature Range
MAX1748EUE .................................................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
MIN
2.7
2.2
TYP
MAX
5.5
2.6
1
0.8
0.8
10
10
10
UNITS
V
V
mA
mA
mA
μ
A
μ
A
μ
A
2.4
0.6
0.4
0.4
0.1
0.1
0.1
V
IN
1.235
-50
0.85
78
13
V
V
1.248
1.261
50
1.15
90
nA
MHz
%
%
% / V
μ
mho
μ
A
1
85
0.2
0.1
320
0.35
0.01
0.380
0.75
1.12
1.5
1
0.7
20
0.500
0.275
LX Current Limit
I
LX(MAX)
1.1
2.0
A
A
Soft-Start Period
t
SS
Power-up to the end of Phase III
3072 /
f
OSC
1.1
s
FB Fault Trip Level
POSITIVE CHARGE PUMP
V
SUPP
Input Supply Range
1.07
1.14
V
V
SUPP
2.7
13
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1748EUE+ | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Triple-Output TFT LCD DC/DC Converters 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 |
| MAX1748EUE+T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Triple-Output TFT LCD DC/DC Converters 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 |
| MAX1748EUE-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 |
| MAX1748EUE-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1748EVKIT | 功能描述:電源管理IC開(kāi)發(fā)工具 MAX1748 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)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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