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FAN5231QSC PDF预览

FAN5231QSC

更新时间: 2024-02-06 15:31:19
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器开关式稳压器或控制器模拟IC电源电路开关式控制器光电二极管
页数 文件大小 规格书
17页 361K
描述
Analog IC

FAN5231QSC 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SSOP, SSOP28,.3
针数:28Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.9Is Samacsys:N
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:e0
长度:10.2 mm功能数量:2
端子数量:28最高工作温度:70 °C
最低工作温度:最大输出电流:0.34 A
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装等效代码:SSOP28,.3封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, SHRINK PITCH电源:3.3,5 V
认证状态:Not Qualified座面最大高度:2 mm
子类别:Power Management Circuits最大供电电流 (Isup):2.5 mA
表面贴装:YES切换器配置:PUSH-PULL
最大切换频率:345 kHz温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:5.3 mmBase Number Matches:1

FAN5231QSC 数据手册

 浏览型号FAN5231QSC的Datasheet PDF文件第2页浏览型号FAN5231QSC的Datasheet PDF文件第3页浏览型号FAN5231QSC的Datasheet PDF文件第4页浏览型号FAN5231QSC的Datasheet PDF文件第5页浏览型号FAN5231QSC的Datasheet PDF文件第6页浏览型号FAN5231QSC的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN5231  
Precision Dual PWM Controller And Linear  
Regulator for Notebook CPUs  
• TTL-Compatible 5-Bit Digital Output Voltage Selection  
Features  
• Provides 3 Regulated Voltages  
– Wide Range - 0.925VDC to 1.3VDC in 25mV Steps,  
and from 1.3VDC to 2.0VDC in 50mV Steps  
– Programmable “On-the-Fly” VID code change with  
customer programmable slew rate and 100ms settling  
time  
– Microprocessor core (SpeedStep™-enabled)  
– Microprocessor I/O  
– Microprocessor Clock Generator  
• High Efficiency Over Wide Load Range  
• Not Dissipative Current-Sense Scheme  
– Uses MOSFET’s R DS(ON)  
– Optional Current-Sense Resistor for Precision  
Overcurrent  
• Adaptive Dead Time Drivers for N-Channel MOSFETs  
• Operates from +5V, +3.3V and Battery (5.6-24V) Inputs  
• Precision Core Voltage Control:  
– Remote “Kelvin” Sensing  
• Power-Good Output Voltage Monitor  
• No negative Core and I/O voltage on turn-off  
• Over-Voltage, Under-Voltage and Over-Current Fault  
Monitors  
• 300kHz Fixed Switching Frequency  
• Thermal Shut-Down  
Applications  
– Summing Current-Mode Control  
– On-Chip Mode-Compensated “Droop” for Optimum  
Transient Response and Lower Processor Power  
Dissipation  
• Converters for Mobile Dual-Mode CPUs  
• Web Tablets  
• Internet Appliances  
+V  
V
IN  
PWM2  
PWM1  
V
OUT1  
OUT2  
I/O  
CONTROLLER  
CONTROLLER  
CORE  
LI NEAR  
+V  
IN  
3.3V  
VID CODE  
REGULATOR  
V
OUT3  
FAN5231  
CPU CLK  
Figure 1. Simplified Power System Diagram  
REV. 1.1.1 8/15/01  

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