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MAX629

更新时间： 2023-12-20 18:44:44
品牌 Logo 应用领域
亚德诺 - ADI DC-DC转换器高压
页数 文件大小 规格书
12页 1429K
描述
28V、低功耗、高压、boost或反相DC-DC转换器

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中文翻译

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MAX629 数据手册

 浏览型号MAX629的Datasheet PDF文件第2页浏览型号MAX629的Datasheet PDF文件第3页浏览型号MAX629的Datasheet PDF文件第4页浏览型号MAX629的Datasheet PDF文件第5页浏览型号MAX629的Datasheet PDF文件第6页浏览型号MAX629的Datasheet PDF文件第7页 
EVALUATION KIT AVAILABLE  
Click here to ask about the production status of specific part numbers.  
MAX629  
28V, Low-Power, High-Voltage,  
Boost or Inverting DC-DC Converter  
General Description  
Features  
● Internal, 500mA, 28V N-Channel Switch  
The MAX629 low-power DC-DC converter features an  
internal N-channel MOSFET switch and programmable  
current limiting. It is designed to supply positive or neg-  
ative bias voltages up to ±28V from input voltages in the  
(No External FET Required)  
● Generates Positive or Negative Output Voltages  
● 80μA Supply Current  
0.8V to V  
range and can be configured for boost,  
OUT  
● 1μA Max Shutdown Current  
flyback, and SEPIC topologies.  
The MAX629’s current-limited pulse-frequency-modula-  
tion (PFM) control scheme provides high efficiency over a  
wide range of load conditions. An internal, 0.5A N-channel  
MOSFET switch reduces the total part count, and a  
high switching frequency (up to 300kHz) allows for tiny  
surface-mount magnetics.  
● Up to 300kHz Switching Frequency  
● Adjustable Current Limit Allows Use of Small,  
Inexpensive Inductors  
● 8-Pin SO Package  
The MAX629’s combination of low supply current, logic-  
controlled shutdown, small package, and tiny external  
components makes it an extremely compact and efficient  
high-voltage biasing solution that’s ideal for battery-pow-  
ered applications. The MAX629 is available in an 8-pin  
SO package.  
Ordering Information  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
Dice*  
MAX629C/D  
MAX629ESA  
-40°C to +85°C  
8 SO  
*Dice are tested at T = +25°C, DC parameters only.  
A
Applications  
Note: To order tape-and-reel shipping, add “-T” to the end of  
the part number.  
● Positive or Negative LCD Bias Generators  
● High-Efficiency DC-DC Boost Converters  
● Varactor Tuning Diode Bias  
Pin Configuration appears at end of data sheet.  
● Palmtop Computers  
● 2-Cell and 3-Cell Battery-Powered Applications  
Typical Operating Circuit  
V
V
IN  
IN  
+2.7V  
+2.7V  
TO +5.5V  
TO +5.5V  
V
28V  
OUT  
V
CC  
V
CC  
SHDN  
LX  
FB  
SHDN  
LX  
-V  
OUT  
-28V  
ISET  
ISET  
POL  
POL  
MAX629  
MAX629  
FB  
REF  
REF  
GND  
GND  
PꢀꢁIꢂIVꢃ ꢀꢄꢂPꢄꢂ VꢀLꢂAꢅꢃ  
ꢆꢃꢅAꢂIVꢃ ꢀꢄꢂPꢄꢂ VꢀLꢂAꢅꢃ  
19-1219; Rev 2; 8/20  
1234567...12

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