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FAN5240MTC PDF预览

FAN5240MTC

更新时间: 2024-02-22 17:04:52
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 多相元件控制器
页数 文件大小 规格书
19页 448K
描述
Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM

FAN5240MTC 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOIC
包装说明:SSOP,针数:28
Reach Compliance Code:unknown风险等级:5.22
Is Samacsys:N其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.925 TO 2 V
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:5.25 V
最小输入电压:4.75 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G28JESD-609代码:e3
长度:9.9 mm湿度敏感等级:2
功能数量:1端子数量:28
最高工作温度:85 °C最低工作温度:-20 °C
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260座面最大高度:1.75 mm
表面贴装:YES切换器配置:PHASE-SHIFT
最大切换频率:345 kHz温度等级:OTHER
端子面层:MATTE TIN端子形式:GULL WING
端子节距:0.635 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

FAN5240MTC 数据手册

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www.fairchildsemi.com  
FAN5240  
Multi-Phase PWM Controller for AMD Mobile  
TM  
TM  
Athlon and Duron  
Features  
General Description  
• CPU Core power: 0.925V to 2.0V output range  
• ±±1 reꢀerenꢁe preꢁcicon over temperature  
• Dynamcꢁ voltage iettcng wcth 5-bct DAC  
• 5V to 24V cnput voltage range  
The FAN5240 ci a icngle output 2-Phaie iynꢁhronoui buꢁk  
ꢁontroller to power AMD’i mobcle CPU ꢁore. The FAN5240  
cnꢁludei a 5-bct dcgctal-to-analog ꢁonverter (DAC) that  
adjuiti the ꢁore PWM output voltage ꢀrom 0.925VDC to  
2.0VDC, whcꢁh may be ꢁhanged durcng operatcon. Speꢁcal  
meaiurei are taken to allow the output to tranictcon wcth  
ꢁontrolled ilew rate to ꢁomply wcth AMD’i Power Now  
teꢁhnology. The FAN5240 cnꢁludei a preꢁcicon reꢀerenꢁe,  
and a proprcetary arꢁhcteꢁture wcth cntegrated ꢁompeniatcon  
provcdcng exꢁellent itatcꢁ and dynamcꢁ ꢁore voltage regula-  
tcon. The regulator cnꢁludei ipeꢁcal ꢁcrꢁuctry whcꢁh balanꢁei  
the 2 phaie ꢁurrenti ꢀor maxcmum eꢀfiꢁcenꢁy.  
• 2 phaie cnterleaved iwctꢁhcng  
• Aꢁtcve droop to reduꢁe output ꢁapaꢁctor icze  
• Dcꢀꢀerentcal remote voltage ienie  
• Hcgh eꢀfiꢁcenꢁy:  
>901 eꢀfiꢁcenꢁy over wcde load range  
>801 eꢀfiꢁcenꢁy at lcght load  
• Exꢁellent dynamcꢁ reiponie wcth Voltage Feed-Forward  
and Average Current Mode ꢁontrol  
• Dynamcꢁ duty ꢁyꢁle ꢁlamp mcncmczei cnduꢁtor ꢁurrent  
bucld up  
• Loiileii ꢁurrent ienicng on low-icde MOSFET or  
Preꢁcicon ꢁurrent ienicng uicng ienie reicitor  
• Fault proteꢁtconi: Over-voltage, Over-ꢁurrent, and  
Thermal Shut-down  
At lcght loadi, when the filter cnduꢁtor ꢁurrent beꢁomei  
dciꢁontcnuoui, the ꢁontroller operatei cn a hyiteretcꢁ mode,  
dramatcꢁally cmprovcng iyitem eꢀfiꢁcenꢁy. The hyiteretcꢁ  
mode oꢀ operatcon ꢁan be cnhcbcted by the FPWM ꢁontrol  
pcn.  
• Controli: Enable, Forꢁed PWM, Power Good, Power  
Good Delay  
• QSOP28, TSSOP28  
The FAN5240 monctori the output voltage and ciiuei a  
PGOOD (Power-Good) when ioꢀt itart ci ꢁompleted and the  
output ci cn regulatcon. A pcn ci provcded to add delay to  
PGOOD wcth an external ꢁapaꢁctor.  
Applications  
• AMD Mobcle AthlonCPU VCORE Regulator  
• AMD Mobcle DuronCPU VCORE Regulator  
A buclt-cn over-voltage proteꢁtcon (OVP) ꢀorꢁei the lower  
MOSFET on to prevent the output ꢀrom exꢁeedcng a iet  
voltage. The PWM ꢁontroller'i overꢁurrent ꢁcrꢁuctry monc-  
tori the ꢁonverter load by ienicng the voltage drop aꢁroii the  
lower MOSFET. The overꢁurrent threihold ci iet by an exter-  
nal reicitor. Iꢀ preꢁcicon overꢁurrent proteꢁtcon ci requcred,  
an optconal external ꢁurrent-ienie reicitor may be uied.  
REV. 1.1.7 8/29/02  

FAN5240MTC 替代型号

型号 品牌 替代类型 描述 数据表
FAN5240MTCX FAIRCHILD

完全替代

Multi-Phase PWM Controller for AMD Mobile Athlon TM and Duron TM

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