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FAN5093

更新时间： 2024-02-23 12:55:40
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 转换器
页数 文件大小 规格书
17页 578K
描述
Two Phase Interleaved Synchronous Buck Converter for VRM 9.x Applications

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中文翻译

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FAN5093 技术参数

生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP,针数：24
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01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：13.2 V
最小输入电压：10.8 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G24JESD-609代码：e4
长度：7.8 mm功能数量：1
端子数量：24最高工作温度：70 °C
最低工作温度：最大输出电流：3 A
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：Not Qualified座面最大高度：1.2 mm
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：2000 kHz温度等级：COMMERCIAL
端子面层：NICKEL PALLADIUM GOLD端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：4.4 mmBase Number Matches：1

FAN5093 数据手册

 浏览型号FAN5093的Datasheet PDF文件第2页浏览型号FAN5093的Datasheet PDF文件第3页浏览型号FAN5093的Datasheet PDF文件第4页浏览型号FAN5093的Datasheet PDF文件第5页浏览型号FAN5093的Datasheet PDF文件第6页浏览型号FAN5093的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN5093  
Two Phase Interleaved Synchronous Buck Converter  
for VRM 9.x Applications  
Features  
Description  
• Programmable output from 1.10V to 1.85V in 25mV steps  
using an integrated 5-bit DAC  
• Two interleaved synchronous phases for maximum  
performance  
The FAN5093 is a synchronous two-phase DC-DC controller  
IC which provides a highly accurate, programmable output  
voltage for VRM 9.x processors. Two interleaved synchro-  
nous buck regulator phases with built-in current sharing  
operate 180° out of phase to provide the fast transient  
response needed to satisfy high current applications while  
minimizing external components.  
• 100nsec transient response time  
• Built-in current sharing between phases  
• Remote sense  
• Programmable Active Droop(Voltage Positioning)  
• Programmable switching frequency from 100KHz to  
1MHz per phase  
The FAN5093 features Programmable Active Droopfor  
transient response with minimum output capacitance. It has  
integrated high-current gate drivers, with adaptive delay gate  
switching, eliminating the need for external drive devices.  
The FAN5093 uses a 5-bit D/A converter to program the  
output voltage from 1.10V to 1.85V in 25mV steps with an  
accuracy of 1%. The FAN5093 uses a high level of integra-  
tion to deliver load currents in excess of 50A from a 12V  
source with minimal external circuitry.  
The FAN5093 also offers integrated functions including  
Power Good, Output Enable/Soft Start, under-voltage lock-  
out, over-voltage protection, and adjustable current limiting  
with independent current sense on each phase. It is available  
in a 24 pin TSSOP package.  
• Adaptive delay gate switching  
• Integrated high-current gate drivers  
• Integrated Power Good, OV, UV, Enable/Soft Start  
functions  
• Drives N-channel MOSFETs  
• Operation optimized for 12V operation  
• High efficiency mode (E*) at light load  
• Overcurrent protection using MOSFET sensing  
• 24 pin TSSOP package  
Applications  
• Power supply for PentiumIV  
• Power supply for Athlon  
• VRM for Pentium IV processor  
• Programmable step-down power supply  
Block Diagram  
+12V  
18  
BYPASS  
6
+12V  
BOOT A  
13  
23  
UVLO  
5V Reg  
OSC  
14  
15  
RT  
+
-
Digital  
Control  
+12V  
17  
16  
-
+
-
+
Current  
Limit  
VO  
BOOT B  
-
+
12  
+12V  
GNDA  
11  
10  
Digital  
Control  
-
+
+12V  
8
9
Power  
Good  
5-Bit  
DAC  
1
2 3 4  
5
19  
PWRGD  
7
22  
20  
ILIM  
24  
21  
VID2 VID4  
VID3  
VID0  
VID1  
DROOP/E*  
ENABLE/SS  
AGND  
Pentium is a registered trademark of Intel Corporation. Athlon is a registered trademark of AMD. Programmable Active Droop is a trademark of Fairchild Semiconductor.  
REV. 1.1.0 3/27/03  
1234567...17

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