RT9263CGX5 RICHTEK [Richtek Technology Corporation], RT9263CGX5 Datasheet - Page 3

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

Function Block Diagram
DS9263-09 March 2007
V
5V
IN
Chip Enable
100uF
C4
VDD
VDD
EN
FB
FB
Figure 4. High Voltage Application with Shutdown Control
EN
1.25V
1.25V
RT9263ECX5
GND
VDD
-
+
-
+
10uF
L1
Preliminary
Loop Control Circuit
Loop Control Circuit
FB
LX
RT9263CCX5
RT9263ECX5
Q1
N MOS
C3
0.1uF
D1
2.2M
R1
Q1
N MOS
200K
N MOS
R2
Q1
R1
R1
1uF
C2
EXT
LX
GND
LX
GND
100uF
C1
15V
V
OUT1
RT9263
www.richtek.com
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