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RT9263 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT9263
Description  High Efficiency, Low Supply Current, Step-Up DC/DC Converter
PDF  8 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9263 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT9263
Preliminary
2
DS9263-09
March 2007
www.richtek.com
Typical Application Circuit
Figure 1. RT9263CCX5 Typical Application for Portable Instruments below 400mA
Figure 2. 0.4A to 1A Output Current Application
Figure 3. High Voltage Application (Rm should be added when IL > 100mA)
VDD
EN
EXT
LX
FB
RT9263CCX5
GND
100pF
R1
1.6M
L1
4.7uF
C1
100uF
C2
1uF
R2
980K
V
IN
C3
100uF
C4
V
OUT
3.3V
D1
1N5819
VDD
LX
EXT
FB
RT9263ECX5
GND
100pF
R1
1.6M
L1
4.7uF
C1
100uF
C2
1uF
R2
980K
V
IN
C3
100uF
C4
V
OUT1
3.3V
D1
Q1
N MOS
1N5819
VDD
EXT
LX
FB
RT9263ECX5
GND
0.1uF
R1
2.2M
L1
10uF
C1
100uF
C2
1uF
R2
200K
V
IN
C3
V
OUT1
15V
Q1
N MOS
5V
D1
Rm
0.05 ~ 0.1
C4
100uF



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