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參數(shù)資料
| 型號： | SC416EVB |
| 廠商： | Semtech Corporation |
| 英文描述： | Dual Synchronous Buck Controller with Tracking Start-up/Shutdown |
| 中文描述： | 雙同步降壓控制器跟蹤Start-up/Shutdown |
| 文件頁數(shù)： | 27/34頁 |
| 文件大?。?/td> | 1131K |
| 代理商： | SC416EVB |
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SC416
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analog components without crossing the high-noise
power signals (DH/DL/BST, etc).
The analog components are those which connect to the
FB and VOUT pins. The FB pins are sensitive so the cop-
per area of these traces should be minimized. Compo-
nents connected to FB should be placed directly near the
IC and should not be placed over or near the gate drive
or power signals (DL/DH/BST/ILIM/LX/VDD).
The connection between power ground (PAD) and ana-
log ground (RTN) should be done at a single point direct-
ly at the IC. The analog components should be placed
in their own ground island which connects to the PAD
directly at the IC, and all analog components should con-
nect directly to this island.
Overall placement should look similar to Figure 22.
Figure 22
Applications Information (continued)
GND
(PAD)
SC416
Side 1 Power
Components
Side 2 Power
Components
Side 1
Analog
Components
Side 2
Analog
Components
The VDD supply decoupling capacitors should connect
to the IC with short traces, with multiple vias if needed.
Connect the ILIM traces to the low-side MOSFET directly
at the drain pins, and route these traces over to the ILIM
resistor on another layer if needed.
Route the VOUT/FB feedback traces in a “quiet” layer,
away from noise sources. Avoid routing near any of the
high-noise switching signals or other noise sources.
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相關(guān)代理商/技術(shù)參數(shù) |
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| SC416MLTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Dual Synchronous Buck Controller with Tracking Start-up/Shutdown |
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