RT8089A 데이터 시트보기 (PDF) - Richtek Technology
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RT8089A Datasheet PDF : 15 Pages
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RT8089A
Typical Application Circuit
VIN
PGOOD
Chip Enable
CIN
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)
CFF
560pF
VOUT
COUT 1.05V
22µF x 2
VOUT (V)
3.3
2.5
1.8
1.5
1.2
1
Table 1. Recommended Component Selection
R1 (kΩ)
37
26
16.5
12.3
8.2
5.6
R2 (kΩ)
8.2
8.2
8.2
8.2
8.2
8.2
CFF (pF)
430
430
510
560
620
680
L (μH)
2
2
1.5
1.5
1.5
1.5
COUT (μF)
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
22 x 2
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is a registered trademark of Richtek Technology Corporation.
DS8089A-01 March 2013
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