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FAN5059 PDF预览

FAN5059

更新时间: 2024-01-28 02:54:24
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD /
页数 文件大小 规格书
18页 206K
描述
High Performance Programmable Synchronous

FAN5059 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:SOP,针数:24
Reach Compliance Code:unknown风险等级:5.23
模拟集成电路 - 其他类型:SWITCHING CONTROLLER控制模式:CURRENT/VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.25 V
最小输入电压:4.5 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G24长度:15.4 mm
湿度敏感等级:NOT SPECIFIED功能数量:1
端子数量:24最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:COMMERCIAL座面最大高度:2.65 mm
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:NOT SPECIFIED端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.5 mm
Base Number Matches:1

FAN5059 数据手册

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www.fairchildsemi.com  
FAN5059  
High Performance Programmable Synchronous  
DC-DC Controller for Multi-Voltage Platforms  
Features  
Applications  
• Programmable output for Vcore from 1.3V to 3.5V using  
• Power supply for Pentium® III Camino Platform  
• Power supply for Pentium III Whitney Platform  
• VRM for Pentium III processor  
an integrated 5-bit DAC  
Controls adjustable linears for Vagp (selectable 1.5V/3.3V),  
Vclock (2.5V), and Vtt (1.5V) or Vnorthbridge (1.8V)  
• Programmable multi-output power supply  
• Meets VRM specification with as few as 5 capacitors  
• Meets 1.550V +40/-70mV over initial tolerance,  
temperature and transients  
Description  
The FAN5059 is a synchronous mode DC-DC controller IC  
which provides a highly accurate, programmable set of output  
voltages for multi-voltage platforms such as the Intel Camino,  
and provides a complete solution for the Intel Whitney and other  
high-performance processors. The FAN5059 features remote  
voltage sensing, independently adjustable current limit, and a  
proprietary Programmable Active Droopfor optimal converter  
transient response. The FAN5059 uses a 5-bit D/A converter  
to program the output voltage from 1.3V to 3.5V. The  
• Remote sense  
• Programmable Active Droop™ (Voltage Positioning)  
• Drives N-Channel MOSFETs  
• Overcurrent protection using MOSFET sensing  
• 85% efficiency typical at full load  
• Integrated Power Good and Enable/Soft Start functions  
• 24 pin SOIC package  
FAN5059 uses a high level of integration to deliver load  
Block Diagram  
+5V  
VCCA 21  
+3.3V  
19  
-
+
9
+
-
REF  
RD  
PWRGD,  
OCL  
10  
+1.5V  
+2.5V  
VCCP  
OCL  
11  
12  
+
-
REF  
+12V  
+5V  
PWRGD,  
OCL  
18  
20  
-
+
RS  
OSC  
-
+
VCCP  
HIDRV  
24  
1
15  
14  
13  
Digital  
2
VCC  
Control  
-
+
+
-
V
-
+
23 LODRV  
PWRGD, OCL  
22  
3.3/1.5V  
GNDP  
1.24V  
Reference  
5-Bit  
DAC  
17  
Power  
Good  
PWRGD  
8 7 6 5 4  
3
16  
ENABLE/SS  
VID4  
VID0VID2  
GNDA  
VID1 VID3  
Pentium is a registered trademark of Intel Corporation. Programmable Active Droop is a trademark of Fairchild Semiconductor.  
Rev. 1.0.4  

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