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參數資料
| 型號： | FAN5018BMTCX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 6-Bit VID Controller 2-4 Phase VR10.X Controller |
| 中文描述： | SWITCHING CONTROLLER, 4000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | LEAD FREE, MO-153AB, TSSOP-28 |
| 文件頁數： | 28/30頁 |
| 文件大小： | 509K |
| 代理商： | FAN5018BMTCX |
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FAN501
8
B
PRODUCT SPECIFICATION
2
8
REV. 1.0.0 Jul/15/05
Whenever a power dissipating component (e.g., a power
MOSFET) is soldered to a PCB, the liberal use of vias,
both directly on the mounting pad and immediately
surrounding it, is recommended. Two important reasons
for this are: improved current rating through the vias, and
improved thermal performance from vias extended to the
opposite side of the PCB where a plane can more readily
transfer the heat to the air. To achieve the best thermal
dissipation to the air around the board, make a mirror
image of any pad being used to heatsink the MOSFETs on
the opposite side of the PCB . To further improve thermal
performance, use the largest possible pad area.
Route the output power path to encompass a short
distance. The output power path is formed by the current
path through the inductor, the output capacitors, and the
load.
For best EMI containment, use a solid power ground
plane as one of the inner layers extending fully under all
the power components.
Signal Circuitry
The output voltage is sensed and regulated between the
FB pin and the FBRTN pin (which connects to the signal
ground at the load). To avoid differential mode noise
pickup in the sensed signal, the loop area should be small.
Thus the FB and FBRTN traces should be routed adjacent
to each other atop the power ground plane back to the
controller.
Connect the feedback traces from the switch nodes as
close as possible to the inductor. Connect the CSREF
signal to the output voltage at the nearest inductor to the
controller.
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相關代理商/技術參數 |
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| FAN5019 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:6-Bit VID Controller 2-4 Phase VRM10.X Controller |
| FAN5019_ABC3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5019_ABC3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5019_BBC3116B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN5019B | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:6-Bit VID Controller 2-4 Phase VR10.X Controller |
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