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零件编号
产品描述 (功能)
RT8089A 查看數據表(PDF) - Richtek Technology
零件编号
产品描述 (功能)
生产厂家
RT8089A
3A, 1MHz, Synchronous Step-Down Converter
Richtek Technology
RT8089A Datasheet PDF : 15 Pages
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RT8089A
Typical Application Circuit
V
IN
PGOOD
Chip Enable
C
IN
10µF
R3
100k
L
RT8089A
1.5µH
3
VIN
SW
6, 7
2
VCC
C1
R1
1µF
6.2k
FB
1
9
PGOOD
R2
8.2k
10
EN
GND
4, 5,
11 (Exposed Pad)
C
FF
560pF
V
OUT
C
OUT
1.05V
22µF x 2
V
OUT
(V)
3.3
2.5
1.8
1.5
1.2
1
Table 1. Recommended Component Selection
R1 (k
Ω
)
37
26
16.5
12.3
8.2
5.6
R2 (k
Ω
)
8.2
8.2
8.2
8.2
8.2
8.2
C
FF
(pF)
430
430
510
560
620
680
L (
μ
H)
2
2
1.5
1.5
1.5
1.5
C
OUT
(
μ
F)
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
www.richtek.com
6
is a registered trademark of Richtek Technology Corporation.
DS8089A-01 March 2013
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