RT9262CS 查看數據表（PDF） - Richtek Technology
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RT9262CS Datasheet PDF : 10 Pages
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RT9262/A
Typical Application Circuit
Preliminary
2.5V
VOUT2
VIN
C6
10uF
R4
1.3M
R3
680K
VDD
EN
RT9262
C5 LDO O
1nF LFB
GND
EXT
LX
FB
C4
100pF
R1
1.6M
L1
4.7uF
D1
R2 C2
980K 1uF
C3
100uF
3.3V
VOUT1
C1
100uF
Figure 1. RT9262 Typical Application for Portable Instruments below 400mA
VIN
Low Battery
Warning Output
(Open Collector)
R4
R3
EN
LBO
VDD
RT9262 EXT
LX
LFB
GND
FB
C4
100pF
R1
1.6M
L1
4.7uF
D1
C3
100uF
3.3V
VOUT1
R2 C2
980K 1uF
C1
100uF
Figure 2. RT9262A Typical Application for Portable Instruments below 400mA
VIN
3.3V
VOUT
Chip
Enable
VDD
EN
RT9262 EXT
LDO O
LX
C5
LFB
GND
FB
10uF
C4
100pF
R1
1.6M
L1
4.7uF
D1
C3
100uF
R2 C2
980K 1uF
C1
100uF
Figure 3. Application Circuit with Zero-Output-Current Shutdown Mode Control
www.richtek.com
2
DS9262/A-11 March 2007
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