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MAX17690ATE+ PDF预览

MAX17690ATE+

更新时间: 2024-02-08 12:41:43
品牌 Logo 应用领域
美信 - MAXIM 开关
页数 文件大小 规格书
22页 705K
描述
Switching Controller, Current-mode, 250kHz Switching Freq-Max, CMOS, TQFN-16

MAX17690ATE+ 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TQFN-16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:6 weeks风险等级:2.3
模拟集成电路 - 其他类型:SWITCHING CONTROLLER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 V
JESD-30 代码:S-XQCC-N16长度:3 mm
功能数量:1端子数量:16
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装等效代码:LCC16,.12SQ,20封装形状:SQUARE
封装形式:CHIP CARRIER, 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:SINGLE最大切换频率:250 kHz
技术:CMOS温度等级:AUTOMOTIVE
端子形式:NO LEAD端子节距:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

MAX17690ATE+ 数据手册

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EVALUATION KIT AVAILABLE  
MAX17690  
60V, No-Opto Isolated Flyback Controller  
General Description  
Benefits and Features  
4.5V to 60V Input Voltage Range  
No Optocoupler or Third Winding Required to Derive  
The MAX17690 is a peak current mode, fixed-frequency  
switching controller specifically designed for the isolated  
flyback topology operating in Discontinuous Conduction  
Mode (DCM). The device senses the isolated output  
voltage directly from the primary-side flyback waveform  
during the off-time of the primary switch. No auxiliary winding  
or optocoupler is required for output voltage regulation.  
Feedback Signal Across Isolation Boundary  
2A/4A Peak Source/Sink Gate Drive Currents  
50kHz to 250kHz Programmable Switching Frequency  
Input EN/UVLO Feature  
Input Overvoltage Protection  
The MAX17690 is designed to operate over a wide  
supply range from 4.5V to 60V. The switching frequency is  
programmable from 50kHz to 250kHz. A EN/UVLO pin  
allows the user to turn on/off the power supply precisely at  
the desired input voltage. The MAX17690 provides an input  
overvoltage protection through the OVI pin. The 7V internal  
LDO output of the MAX17690 makes it suitable for switching  
both logic-level and standard MOSFETs used in flyback  
converters. With 2A/4A source/sink currents, the MAX17690  
Programmable Soft-Start  
Hiccup-Mode Short-Circuit Protection  
Thermal Shutdown Protection  
-40°C to 125°C Operating Temperature Range  
Space-Saving, 16-Pin 3 x 3 TQFN Package  
Applications  
Isolated Flyback Converters  
Wide-Range DC-Input Isolated Power Supplies  
Industrial and Telecom Applications  
PLC I/O modules  
is ideal for driving low R  
power MOSFETs with fast  
DS(ON)  
gate transition times. The MAX17690 provides an adjustable  
soft-start feature to limit the inrush current during startup.  
The MAX17690 provides temperature compensation for  
the output diode forward voltage drop. The MAX17690 has  
robust hiccup-protection and thermal protection schemes,  
and is available in a space-saving 16-pin 3mm x 3mm  
TQFN package with a temperature range from -40°C to 125°C.  
Ordering Information appears at end of data sheet.  
Application Circuit  
19-7970; Rev 1; 12/16  

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