RT9263CGX5 RICHTEK [Richtek Technology Corporation], RT9263CGX5 Datasheet - Page 2

• Manufacturer Part Number: RT9263CGX5
• Description: High Efficiency, Low Supply Current, Step-Up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

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