RT9266GX5 Просмотр технического описания (PDF) - Richtek Technology
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RT9266GX5 Datasheet PDF : 14 Pages
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RT9266
Typical Application Circuit
L1
D1
VIN
C3
100uF
3.3 to 10 uH
1N5819
VOUT
C2
3.3V/5V
1uF
VDD
EN RT9266 LX
R1
1.6M/3M
EXT GND FB
R2
980k/1M
C1
100uF
Figure 1. RT9266 Typical Application for Portable Instruments
3.1V to 5V for 12V
2.8V to 5V for 9V
VIN
C4
100uF
L1
4.7uH
RVDD
100
D1
1N5819
VDD EXT
EN RT9266 LX
GND FB
CVDD
1uF
Q1
N MOS
C3
0.1uF
R1
860k/620k
RM
0.22
R2
C2
1uF
100k
12V/9V
300mA
C1
100uF
Figure 2. RT9266 High Voltage Applications
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2
DS9266-12 May 2007
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