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LP2985-10DBVR bảng dữ liệu(PDF) 28 Page - Texas Instruments

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tên linh kiện LP2985-10DBVR
Giải thích chi tiết về linh kiện  LP2985 150-mA, Low-Noise, Low-Dropout Regulator With Shutdown
PDF  41 Pages
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Trang chủ  http://www.ti.com
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LP2985-10DBVR bảng dữ liệu(HTML) 28 Page - Texas Instruments

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8.3 Power Supply Recommendations
A power supply can be used at the input voltage within the ranges given in the Recommended Operating
Conditions table. Use bypass capacitors as described in the Layout Guidelines section.
8.4 Layout
8.4.1 Layout Guidelines
• Bypass the input pin to ground with a bypass capacitor.
• The optimum placement of the bypass capacitor is closest to the VIN of the device and GND of the system.
Care must be taken to minimize the loop area formed by the bypass capacitor connection, the VIN pin, and
the GND pin of the system.
• For operation at full-rated load, use wide trace lengths to eliminate IR drop and heat dissipation.
8.4.2 Layout Example
V
IN
GND
PLANE
C
IN
C
BYPASS
BYPASS
ON/OFF
V
OUT
C
OUT
Figure 8-25. Layout Diagram
LP2985
SLVS522Q – JULY 2004 – REVISED DECEMBER 2022
www.ti.com
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