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FAN5018BMTCX PDF预览

FAN5018BMTCX

更新时间： 2024-11-20 22:40:51
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电源电路开关式控制器光电二极管
页数 文件大小 规格书
30页 510K
描述
6-Bit VID Controller 2-4 Phase VR10.X Controller

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中文翻译

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FAN5018BMTCX 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：TSSOP包装说明：TSSOP, TSSOP28,.25
针数：28Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.65Is Samacsys：N
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：13.8 V
最小输入电压：10.2 V标称输入电压：12 V
JESD-30 代码：R-PDSO-G28长度：9.7 mm
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：
最大输出电流：0.0004 A封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP28,.25
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
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：4000 kHz
温度等级：OTHER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

FAN5018BMTCX 数据手册

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www.fairchildsemi.com  
FAN5018B  
6-Bit VID Controller 2-4 Phase VR10.X Controller  
Features  
General Description  
• Improved Noise Immunity  
• Improved Load Line Accuracy  
• TTL Compatible VID Inputs  
The FAN5018B is a multi-phase DC-DC controller for  
implementing high-current, low-voltage, CPU core power  
regulation circuits. It is part of a chipset that includes exter-  
nal MOSFET drivers and power MOSFETS. The  
FAN5018B drives up to four synchronous-rectified buck  
channels in parallel. The multi-phase buck converter archi-  
tecture uses interleaved switching to multiply ripple fre-  
quency by the number of phases and reduce input and output  
ripple currents. Lower ripple results in fewer components,  
lower component cost, reduced power dissipation, and  
smaller board area.  
• Fully Pin and Function compatible with existing  
FAN5018 and ADP3180 Controllers  
• Precision Multi-Phase DC-DC Core Voltage Regulation  
– ±14mV Output Voltage Accuracy Over Temperature  
• Differential Remote Voltage Sensing  
• Selectable 2-, 3-, or 4-Phase Operation  
• Selectable VRM9 or VRM10 Operation  
• Up to 1MHz per Phase Operation (4MHz ripple  
Frequency)  
• Lossless Inductor Current Sensing for Loadline  
Compensation  
The FAN5018B features a high-bandwidth control loop to  
provide optimal response to load transients. The FAN5018B  
senses current using lossless techniques: Phase current is  
measured through each of the output inductors. This current  
information is summed, averaged and used to set the loadline  
of the output via programmable "droop." The droop is tem-  
perature compensated to achieve precise loadline character-  
istics over the entire operating range. Additionally,  
– External Temperature Compensation  
• Accurate Loadline Programming (Meets Intel  
®
VRM/VRD10.x CPU Specifications)  
• Accurate Channel-Current Balancing for Thermal  
Optimization and Layout Compensation  
• Convenient 12V Supply Biasing  
• 6-bit Voltage Identification (VID) Input  
– .8375V to 1.600V in 12.5mV Steps  
– Dynamic VID Capability with Fault-Blanking for  
glitch-less Output voltage Changes  
individual phase current is measured using the R  
of  
DS(ON)  
the low-side MOSFETs. This information is used to dynam-  
ically balance/steer per-phase current. The phase currents  
are also summed and averaged for over-current detection.  
• Adjustable Over Current Protection with Programmable  
Latch-Off Delay. Latch-Off Function may be Disabled  
• Over-Voltage Protection – Internal OVP Crowbar  
Protection  
Dynamic-VID technology allows on-the-fly VID changes  
with controlled, glitch-less output. Additionally, short-circuit  
protection, adjustable current limiting, over-voltage protec-  
tion and power-good circuitry combine to ensure reliable and  
safe operation. FAN5018B is specified over the commercial  
temperature range of 0°C to +85°C and operates from a sin-  
gle +12V supply which simplifies design. FAN5018B is  
available in a 28L-TSSOP package.  
• Package: 28L-TSSOP  
Applications  
• VRM/VRD 9.x and 10.x Computer DC/DC Converter  
• High-Current, Low-Voltage DC/DC Rail  
Block Diagram  
VIN  
Φ1  
Φ2  
Φ3  
Φ4  
FAN5009  
VOUT  
FAN5018B  
VIN  
FAN5009  
REV. 1.0.0 Jul/15/05  
1234567...30

中文翻译

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