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Número de pieza
componentes Descripción
RT8064 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8064
2A, 2MHz, Synchronous Step-Down Converter
Richtek Technology
RT8064 Datasheet PDF : 13 Pages
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RT8064
Pin Configurations
COMP
SS
EN
VIN
8
2
7
GND
3
6
9
4
5
PGOOD
FB
RT
LX
SOP-8 (Exposed Pad)
(TOP VIEW)
COMP
1
SS
2
EN
3
VIN
4
8
PGOOD
7
FB
6
RT
9 5
LX
WDFN-8L 3x3
Typical Application Circuit
V
IN
2.7V to 5.5V
PGOOD
R3
100k
Chip Enable
4
RT8064
VIN
LX
5
C
IN
10µF
8
PGOOD
FB
7
R
OSC
6 RT
COMP
1
L
R
COMP
3
EN
GND
9 (Exposed Pad)
SS
2
C
SS
10nF
R1
R2
C
COMP
V
OUT
C
OUT
V
OUT
(V)
3.3
2.5
1.8
1.5
1.2
1
Table 1. Recommended Components Selection for f
SW
= 1MHz
R1 (k
Ω
)
R2 (k
Ω
)
R
COMP
(k
Ω
) C
COMP
(pF)
L (
μ
H)
75
24
33
560
2
51
24
22
560
2
30
24
15
560
1.5
21
24
13
560
1.5
12
24
11
560
1.5
6
24
8.2
560
1.5
C
OUT
(
μ
F)
22
22
22
22
22
22
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
2
is a registered trademark of Richtek Technology Corporation.
DS8064-07 November 2012
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