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MAX17686 PDF预览

MAX17686

更新时间: 2024-02-08 04:49:44
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
19页 866K
描述
4.5V to 60V Input, High-Efficiency, Iso-Buck DC-DC Converter

MAX17686 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HVSON,Reach Compliance Code:compliant
风险等级:2.37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:60 V最小输入电压:4.5 V
标称输入电压:24 VJESD-30 代码:R-PDSO-N10
长度:3 mm功能数量:1
端子数量:10最高工作温度:125 °C
最低工作温度:-40 °C最大输出电流:1.9 A
封装主体材料:PLASTIC/EPOXY封装代码:HVSON
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):NOT SPECIFIED座面最大高度:0.8 mm
表面贴装:YES切换器配置:BUCK
最大切换频率:213 kHz技术:BICMOS
温度等级:AUTOMOTIVE端子形式:NO LEAD
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:2 mm

MAX17686 数据手册

 浏览型号MAX17686的Datasheet PDF文件第2页浏览型号MAX17686的Datasheet PDF文件第3页浏览型号MAX17686的Datasheet PDF文件第4页浏览型号MAX17686的Datasheet PDF文件第5页浏览型号MAX17686的Datasheet PDF文件第6页浏览型号MAX17686的Datasheet PDF文件第7页 
Click here for production status of specific part numbers.  
MAX17686  
4.5V to 60V Input, High-Efficiency,  
Iso-Buck DC-DC Converter  
General Description  
Benefits and Features  
Reduces External Components and Total Cost  
The Rainier series of isolated DC-DC products enable  
small, efficient solutions with a lower BOM cost. The  
MAX17686 is a high-voltage, high-efficiency, iso-buck  
DC-DC converter designed to provide isolated power up to  
5W. The device operates over a wide 4.5V to 60V input and  
uses primary-side feedback to regulate the output voltage.  
• No Optocoupler  
• Synchronous Primary Operation  
• All-Ceramic Capacitors, Compact Layout  
Supports Numerous Isolated DC-DC Applications  
• Wide 4.5V to 60V Input  
The MAX17686 uses peak-current-mode control. The low-  
resistance, on-chip MOSFETs ensure high efficiency at full  
load while simplifying the PCB layout.  
• Delivers Up to 5W Output Power  
Reduces Power Dissipation  
Peak Efficiency > 90%  
The device generates a well regulated primary side  
voltage which is then scaled by a suitable transformer  
turns ratio to derive isolated secondary output rails. The  
MAX17686 features robust overcurrent protection on both  
the primary and secondary side.  
0.9μA (typ) Shutdown Current  
Operates Reliably in Adverse Industrial Environments  
• Peak and Sink Current-Limit Protection  
• Robust Secondary-Side Output Overcurrent  
Protection  
The MAX17686 is available in a compact 10-pin (3mm x  
2mm) TDFN package. Simulation model and design auto-  
mation are available in EE-Sim.  
±1.7% Feedback Accuracy  
• Programmable EN/UVLO Threshold  
• Adjustable Soft-Start  
• Overtemperature Protection  
• -40°C to +125°C Operation  
Applications  
Isolated Fieldbus Interfaces  
PLC I/O Modules  
Smart Meters  
Ordering Information appears at end of data sheet.  
Isolated Power Supplies in Medical Equipment  
Floating Power Supply Generation  
Application Circuit  
T1  
1:2.4  
V
D1  
OUT  
V
IN  
24V, 100mA  
17V TO 60V  
LX  
V
IN  
C1  
4.7µF  
R4  
49.9Ω  
EN/UVLO  
PGND  
C7  
4.7µF  
N
N
PRI  
SEC  
Z1  
V
CC  
GND  
FB  
C3  
1µF  
MAX17686  
C2  
22µF  
R1  
110kΩ  
SS  
C4  
33nF  
R2  
10.5kΩ  
C8  
1nF  
COMP  
RESET  
R3  
3.74kΩ  
C6  
820pF  
C5  
82nF  
19-100448; Rev 1; 4/19  

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