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FAN5091MTC PDF预览

FAN5091MTC

更新时间： 2024-02-11 02:45:30
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 转换器
页数 文件大小 规格书
21页 194K
描述
Two Slice Interleaved Synchronous Buck Converter

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中文翻译

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FAN5091MTC 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：TSSOP, TSSOP24,.25
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.81
控制模式：CURRENT-MODEJESD-30 代码：R-PDSO-G24
JESD-609代码：e3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封装等效代码：TSSOP24,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：2000 kHz技术：BIPOLAR
温度等级：COMMERCIAL端子面层：Matte Tin (Sn)
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
Base Number Matches：1

FAN5091MTC 数据手册

 浏览型号FAN5091MTC的Datasheet PDF文件第2页浏览型号FAN5091MTC的Datasheet PDF文件第3页浏览型号FAN5091MTC的Datasheet PDF文件第4页浏览型号FAN5091MTC的Datasheet PDF文件第5页浏览型号FAN5091MTC的Datasheet PDF文件第6页浏览型号FAN5091MTC的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN5091  
Two Slice Interleaved Synchronous Buck Converter  
Features  
Description  
• Programmable output from 1.10V to 1.85V in 25mV steps  
using an integrated 5-bit DAC  
• Two interleaved synchronous slices for maximum  
performance  
The FAN5091 is a synchronous multi-slice DC-DC controller  
IC which provides a highly accurate, programmable output  
voltage for all high-performance processors. Two interleaved  
synchronous buck regulator slices with built-in current shar-  
ing operate 180° out of phase to provide the fast transient  
response needed to satisfy high current applications while  
minimizing external components. The FAN5091 features  
remote voltage sensing and Programmable Active Droop  
for 100nsec converter transient response with minimum out-  
put capacitance. It has integrated high-current gate drivers,  
with adaptive delay gate switching, eliminating the need for  
external drive devices. The FAN5091 uses a 5-bit D/A con-  
verter to program the output voltage from 1.10V to 1.85V in  
25mV steps with an accuracy of 1%. The FAN5091 uses a  
high level of integration to deliver load currents in excess of  
50A from a 5V source with minimal external circuitry. The  
FAN5091 also offers integrated functions including Power  
Good, Output Enable/Soft Start, under- voltage lockout,  
over-voltage protection, and adjustable current limiting with  
independent current sense on each slice. It is available in a  
24 pin TSSOP package.  
• 100nsec response time  
• Built-in current sharing between slices  
• Remote sense  
• Programmable Active Droop(Voltage Positioning)  
• Programmable frequency from 200KHz to 2MHz  
• 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 5V 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  
+5V  
13  
5V Reg  
14  
15  
23  
OSC  
+
-
Digital  
Control  
+12V  
17  
16  
-
+
-
+
VO  
+12V  
12  
-
+
+5V  
11  
10  
Digital  
Control  
-
+
+12V  
8
9
5-Bit  
DAC  
Power  
Good  
1
2
3
4
5
22  
19  
7
20  
ILIM  
24  
21  
VID2 VID4  
VID0  
VID1  
ENABLE/SS  
PWRGD  
GNDA  
DROOP/E*  
VID3  
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. 1.0.0 5/10/01  
1234567...21

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