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TPS63805 Datasheet(PDF) 32 Page - Texas Instruments

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Part # TPS63805
Description  TPS6380x High-Efficiency, Low IQ Buck-Boost Converter with Small Solution Size
PDF  42 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS63805 Datasheet(HTML) 32 Page - Texas Instruments

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12 Layout
12.1 Layout Guidelines
The PCB layout is an important step to maintain the high performance of the TPS63805, TPS63806, and
TPS63807 device.
1. Place input and output capacitors as close as possible to the IC. Traces need to be kept short. Route
wide and direct traces to the input and output capacitor results in low trace resistance and low parasitic
inductance.
2. Use a common ground node for power ground and a different one for control ground to minimize the effects
of ground noise. Connect these ground nodes at any place close to one of the ground pins of the IC.
3. Use separate traces for the supply voltage of the power stage and the supply voltage of the analog stage.
4. The sense trace connected to FB is signal trace. Keep these traces away from L1 and L2 nodes.
12.2 Layout Example
Figure 12-1. TPS63805, TPS63806, and TPS63807 Layout
TPS63805, TPS63806, TPS63807
SLVSDS9E – JULY 2018 – REVISED AUGUST 2021
www.ti.com
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: TPS63805 TPS63806 TPS63807



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