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RT9271PB Datasheet(PDF) 13 Page - Richtek Technology Corporation

No. de pieza RT9271PB
Descripción Electrónicos  White LED Step-Up Converter in Tiny Package
PDF  15 Pages
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Fabricante Electrónico  RICHTEK [Richtek Technology Corporation]
Página de inicio  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9271PB Datasheet(HTML) 13 Page - Richtek Technology Corporation

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RT9271
13
DS9271-13 March 2007
www.richtek.com
Layout Guide
A full GND plane without gap break.
VCC to GND noise bypass –Short and wide connection for the 1
μF MLCC capacitor between Pin6 and Pin2.
Minimized LX node copper area to reduce EMI.
Minimized FB node copper area and keep far away from noise sources.
EVB Circuit
Board Layout Example (2-Layer EVB Board)
(Refer to EVB Circuit)
- Top Layer -
- Bottom Layer -
V
IN
VCC
EN
GND
LX
FB
C2
D1
R2
OVP
D2
D4
D3
C5
C1
C3
C4
R1
L1
S3
S2
S1
RT9271



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