RT9264CS Ver la hoja de datos (PDF) - Richtek Technology
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RT9264CS Datasheet PDF : 8 Pages
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RT9264
Preliminary
VIN
Chip Enable Input
3.3V
VOU T
C3
10µF
VDD
CE
RT9264 EXT
LDO O
LX
LFB GND
FB
L1
R1 2.2µH
36K
D1
1N5819
R2 C2
22K 1µF
47µF
C1
47µF
Fig. 2 Application Circuit with Zero-Output-Current Shutdown Mode Control
3.3V/5V
VIN
2.5V
VOU T2
C3
10µF
R5
100Ω
C5
22µF
VDD
CE RT9264 EXT
R4 L DO O
LX
42K L F B G N D
FB
R3
22K
L1
3.3µH
D1
1N5819
Q1
NMOS
R1
220K
C4
47µF
15V
VOU T1
R2 C2
20K 1µF
C1
47µF
Fig. 3 High Voltage Application
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2
DS9264-00 December 2001
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