RT9266B 查看數據表（PDF） - Richtek Technology
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RT9266B Datasheet PDF : 13 Pages
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RT9266B
Typical Application Circuit
L1
D1
VIN
C3
3.3 to 10 uH
10uF
SS0520
VOUT
C2
3.3V/5V
1uF
VDD
EN RT9266B LX
R1
1.6M/3M
FB
EXT GND
R2
980k/1M
C1
10uF
Figure 1. RT9266B Typical Application for Portable Instruments
L1
D1
VIN
C3 3.3 to 10 uH
10uF
SS0520
VOUT
3.3V/5V
VDD LX
EN RT9266B EXT
GND FB
C2
1uF
R1
1.6M/3M
Q1
N MOS
R2
980k/1M
C1
10uF
Figure 2. RT9266B for Higher Current Applications
Test Circuit
I (VIN)
VIN
A
C3
10uF
L1
10uH
A I (VDD)
VDD
EN RT9266B LX
EXT GND FB
D1
SS0520
VOUT
C2
3.3V/5V
1uF
R1
C4
C5
1.6M/3M 100p 10uF
R2
980k/1M
www.richtek.com
2
DS9266B-09 March 2007
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