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MAX629C/D PDF预览

MAX629C/D

更新时间: 2024-01-26 03:23:06
品牌 Logo 应用领域
美信 - MAXIM 转换器
页数 文件大小 规格书
12页 137K
描述
28V, Low-Power, High-Voltage, Boost or Inverting DC-DC Converter

MAX629C/D 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:1 week
风险等级:5.21模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE FREQUENCY MODULATION
最大输入电压:5.5 V最小输入电压:2.7 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.39 A
标称输出电压:28 V封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
最大供电电流 (Isup):0.12 mA表面贴装:YES
切换器配置:BOOST最大切换频率:300 kHz
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn85Pb15)端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3.9 mm
Base Number Matches:1

MAX629C/D 数据手册

 浏览型号MAX629C/D的Datasheet PDF文件第2页浏览型号MAX629C/D的Datasheet PDF文件第3页浏览型号MAX629C/D的Datasheet PDF文件第4页浏览型号MAX629C/D的Datasheet PDF文件第5页浏览型号MAX629C/D的Datasheet PDF文件第6页浏览型号MAX629C/D的Datasheet PDF文件第7页 
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 MAX629s 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 MAX629s 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 thats 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  

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