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MAX731EVKIT

更新时间: 2024-02-22 04:21:03
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
4页 74K
描述
Evaluation Kit for the MAX731

MAX731EVKIT 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:DIP, DIP8,.3
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.18模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.25 V最小输入电压:2.5 V
标称输入电压:3 VJESD-30 代码:R-CDIP-T8
JESD-609代码:e0湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:125 °C最低工作温度:-55 °C
最大输出电流:1.5 A标称输出电压:5 V
封装主体材料:CERAMIC, METAL-SEALED COFIRED封装代码:DIP
封装等效代码:DIP8,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):245
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Switching Regulator or Controllers最大供电电流 (Isup):4 mA
表面贴装:NO切换器配置:BOOST
最大切换频率:215 kHz技术:CMOS
温度等级:MILITARY端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmBase Number Matches:1

MAX731EVKIT 数据手册

 浏览型号MAX731EVKIT的Datasheet PDF文件第2页浏览型号MAX731EVKIT的Datasheet PDF文件第3页浏览型号MAX731EVKIT的Datasheet PDF文件第4页 
19-0034; Rev 0; 5/92  
MAX7 3 1 Eva lu a t io n Kit  
MAX731EVKit  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
The MAX731 evaluation kit (EV kit) facilitates assembly  
and evaluation of Maxims MAX731 +5V step-up current-  
mode DC-DC converter.  
Load Currents Guaranteed to 200mA with  
No External MOSFET  
Step-Up from a 2.0V Input  
The EV kit includes all needed components (unassem-  
bled) and a printed circuit board. When completed, the  
EV kit is a working DC-DC step-up converter with +5V  
output voltage at 200mA.  
170kHz High-Frequency Current-Mode PWM  
82% to 87% Typical Efficiencies at Full Load  
Overcurrent and Soft-Start Protection  
Shutdown Capability  
Typical full-load efficiencies are 82% to 87%. The  
MAX731 uses current-mode pulse-width modulation  
(PWM) to provide precise output regulation and low  
subharmonic noise. Typical no-load supply current is  
2mA.  
______________Ord e rin g In fo rm a t io n  
The MAX731 features cycle-by-cycle current limiting,  
overcurrent limiting, external shutdown, and program-  
mable soft-start protection.  
PART  
TEMP. RANGE  
BOARD TYPE  
MAX731EVKIT-DIP  
0°C to +70°C  
Through Hole  
The EV kit components are suitable for through-hole  
mounting to make construction and evaluation easy.  
Refer to the MAX731 data sheet for detailed electrical  
and operating specifications.  
______________________________EV Kit  
____________________Co m p o n e n t Lis t  
DESIG-  
NATION  
QTY  
DESCRIPTION  
MAX731CPA  
SOURCE  
IC1  
1
1
2
Maxim  
Maxim  
None  
Printed circuit board  
C1, C7  
0.1µF ceramic capacitors  
150µF, 25V electrolytic  
capacitors MAXC001  
C2, C8  
C3  
2
1
3
Maxim  
4.7µF capacitor  
0.15µF ceramic  
capacitors  
C4, C5, C6  
D1  
R1  
J2  
1
1
1
Schottky diode 1N5817  
1/4W, 5% 10kresistor  
Jumper  
Motorola  
_______________Te rm in a l De s c rip t io n  
Sumida  
RCH-110-220M  
Coilcraft  
PCH-27-223  
Wilco  
TERMINAL  
FUNCTION  
NAME  
L1  
1
22µH inductor  
Positive Input. Connect to positive teminal of  
voltage power supply.  
V
IN  
ITS220  
SHUTDOWN active low. Ground to power  
Sumida USA  
(708) 956-0666  
03-3607-5111  
(708) 639-6400  
8862-268-2146  
(317) 293-9300  
FAX (708) 956-0702  
FAX 03-3607-5428  
FAX (708) 639-1469  
FAX 8862-268-2092  
FAX (317) 293-9462  
SHDN  
down; ties to V for normal operation. Output  
IN  
Sumida Japan  
Coilcraft USA  
Coilcraft Taiwan  
Wilco  
power FET is held off when SHDN is low.  
Circuit Ground. Connect to negative terminal of  
input voltage supply. This is also the output  
voltage negative terminal.  
GND  
V
OUT  
Positive Output. Connect to load.  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  

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