Texas Instruments TPS61170EVM-280 Evaluation Module TPS61170EVM-280 TPS61170EVM-280 Hoja De Datos
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Los códigos de productos
TPS61170EVM-280
www.ti.com
Board Layout
Figure 7. PWM Operation at 200 mA With V
IN
= 12 V
3
Board Layout
This section provides the TPS61170EVM board layout and illustrations.
3.1
Layout
Board layout is critical for all switch-mode power supplies.
and
show the board layout
for the HPA280 printed-circuit board. The switching nodes with high-frequency noise are isolated from the
noise-sensitive feedback circuitry. Careful attention has been given to the routing of high-frequency
current loops. See the data sheet for further layout guidelines.
noise-sensitive feedback circuitry. Careful attention has been given to the routing of high-frequency
current loops. See the data sheet for further layout guidelines.
9
SLVU222C – December 2007 – Revised September 2009
TPS61170EVM-280
Copyright © 2007–2009, Texas Instruments Incorporated