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MAX629ESA+TG071

更新时间： 2024-12-01 21:18:31
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
12页 135K
描述
Switching Regulator,

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中文翻译

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MAX629ESA+TG071 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.84
模拟集成电路 - 其他类型：SWITCHING REGULATOR湿度敏感等级：1
峰值回流温度（摄氏度）：NOT SPECIFIED处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

MAX629ESA+TG071 数据手册

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19-1219; Rev 1; 6/97  
2 8 V, Lo w -P o w e r, Hig h -Vo lt a g e ,  
Bo o s t o r In ve rt in g DC-DC Co n ve rt e r  
MAX629  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
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  
♦ Internal, 500mA, 28V N-Channel Switch  
(No External FET Required)  
♦ Generates Positive or Negative Output Voltages  
♦ 80µA Supply Current  
the 0.8V to V  
range, and can be configured for  
OUT  
boost, flyback, and SEPIC topologies.  
♦ 1µA Max Shutdown Current  
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 effi-  
cient high-voltage biasing solution that’s ideal for bat-  
tery-powered applications. The MAX629 is available in  
an 8-pin SO package.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
Dice*  
MAX629C/D  
MAX629ESA  
-40°C to +85°C  
8 SO  
________________________Ap p lic a t io n s  
Positive or Negative LCD Bias Generators  
High-Efficiency DC-DC Boost Converters  
Varactor Tuning Diode Bias  
*Dice are tested at T = +25°C, DC parameters only.  
A
Note: To order tape-and-reel shipping, add “-T” to the end of  
the part number.  
Palmtop Computers  
Pin Configuration appears at end of data sheet.  
2-Cell and 3-Cell Battery-Powered Applications  
___________________________________________________Typ ic a l Op e ra t in g Circ u it  
V
IN  
V
IN  
+2.7V  
+2.7V  
TO +5.5V  
TO +5.5V  
V
28V  
OUT  
V
CC  
V
CC  
SHDN  
SHDN  
ISET  
LX  
LX  
FB  
-V  
OUT  
-28V  
ISET  
POL  
POL  
FB  
MAX629  
GND  
MAX629  
GND  
REF  
REF  
POSITIVE OUTPUT VOLTAGE  
NEGATIVE OUTPUT VOLTAGE  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800  
1234567...12

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