5秒后页面跳转
FAN5231 PDF预览

FAN5231

更新时间: 2024-09-26 22:50:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器电脑控制器
页数 文件大小 规格书
17页 361K
描述
Precision Dual PWM Controller And Linear Regulator for Notebook CPUs

FAN5231 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SSOP,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
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:5.5 V
最小输入电压:4.5 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G28长度:9.9 mm
功能数量:1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:1 A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认证状态:Not Qualified
座面最大高度:1.75 mm表面贴装:YES
切换器配置:BUCK最大切换频率:345 kHz
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:0.635 mm端子位置:DUAL
宽度:3.9 mmBase Number Matches:1

FAN5231 数据手册

 浏览型号FAN5231的Datasheet PDF文件第2页浏览型号FAN5231的Datasheet PDF文件第3页浏览型号FAN5231的Datasheet PDF文件第4页浏览型号FAN5231的Datasheet PDF文件第5页浏览型号FAN5231的Datasheet PDF文件第6页浏览型号FAN5231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  

与FAN5231相关器件

型号 品牌 获取价格 描述 数据表
FAN5231QSC FAIRCHILD

获取价格

Analog IC
FAN5232 FAIRCHILD

获取价格

Adjustable PWM Buck Controller for LCD PCs
FAN5232MTC FAIRCHILD

获取价格

SMPS Controller
FAN5232MTC_NL FAIRCHILD

获取价格

Switching Controller, Current-mode, 345kHz Switching Freq-Max, PDSO20, LEAD FREE, TSSOP-20
FAN5232MTCX FAIRCHILD

获取价格

Switching Controller, Current-mode, 345kHz Switching Freq-Max, PDSO20, TSSOP-14
FAN5232MTCX_NL FAIRCHILD

获取价格

Switching Controller, Current-mode, 345kHz Switching Freq-Max, PDSO20, LEAD FREE, TSSOP-20
FAN5233 FAIRCHILD

获取价格

System Electronics Regulator for Mobile PCs
FAN5233MTC FAIRCHILD

获取价格

Analog IC
FAN5233MTCX FAIRCHILD

获取价格

Analog IC
FAN5234 FAIRCHILD

获取价格

Mobile-Friendly PWM/PFM Controller