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參數(shù)資料
| 型號： | MAX1748EUE+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Triple-Output TFT-LCD DC-DC Converters |
| 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, EXPOSED PAD, TSSOP-16 |
| 文件頁數(shù)： | 14/16頁 |
| 文件大?。?/td> | 278K |
| 代理商： | MAX1748EUE+T |
MAX1748
Triple-Output TFT LCD DC-DC Converter
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(Circuit of Figure 5, VIN = 3.3V, TA = +25°C, unless otherwise noted.)
Pin Description
VMAIN
5V/div
2V
10V
0
ILX
500mA/div
MAIN BOOST STARTUP WAVEFORM
MAX1748toc16
1ms/div
RMAIN = 1k
, VMAIN = 10V
VSHDN
2V/div
0
VMAIN
5V/div
2V
10V
0
ILX
500mA/div
MAIN BOOST STARTUP
WAVEFORM WITH LOAD
MAX1748toc17
1ms/div
VMAIN = 10V, RMAIN = 50
(200mA)
VSHDN
2V/div
0
VMAIN
5V/div
VNEG
5V/div
VPOS
10V/div
POWER-UP SEQUENCING
MAX1748toc18
2ms/div
VMAIN = 10V, VNEG = -5V, VPOS = 15V
VSHDN
2V/div
PIN
NAME
FUNCTION
1
RDY
Active-Low Open-Drain Output. Indicates all outputs are ready. The on-resistance is 125
(typ).
2FB
Main Boost Regulator Feedback Input. Regulates to 1.248V nominal. Connect feedback resistive
divider to analog ground (GND).
3
INTG
Main Boost Integrator Output. If used, connect 470pF to analog ground (GND). To disable
integrator, connect to REF.
4IN
Supply Input. +2.7V to +5.5V input range. Bypass with a 0.1
F capacitor between IN and GND, as
close to the pins as possible.
5
GND
Analog Ground. Connect to power ground (PGND) underneath the IC.
6
REF
Internal Reference Bypass Terminal. Connect a 0.22
F capacitor from this terminal to analog
ground (GND). External load capability to 50
A.
7
FBP
Positive Charge-Pump Regulator Feedback Input. Regulates to 1.25V nominal. Connect feedback
resistive divider to analog ground (GND).
8
FBN
Negative Charge-Pump Regulator Feedback Input. Regulates to 0V nominal.
9
SHDN
Active-Low Logic-Level Shutdown Input. Connect SHDN to IN for normal operation.
10
DRVN
Negative Charge-Pump Driver Output. Output high level is VSUPN, and low level is PGND.
11
SUPN
Negative Charge-Pump Driver Supply Voltage. Bypass to PGND with a 0.1
F capacitor.
12
DRVP
Positive Charge-Pump Driver Output. Output high level is VSUPP, and low level is PGND.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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開發(fā)工具 MAX1748 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX17491GTA+ | 功能描述:功率驅(qū)動器IC Notebook MOSFET Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX17491GTA+T | 功能描述:功率驅(qū)動器IC Notebook MOSFET Driver RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX17495AATE+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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