RT9266 RICHTEK [Richtek Technology Corporation], RT9266 Datasheet - Page 2

• Manufacturer Part Number: RT9266
• Description: Tiny Package, High Efficiency, Step-up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9266
Typical Application Circuit
www.richtek.com
2
V
3.1V to 5V for 12V
2.8V to 5V for 9V
IN
V
IN
Figure 1. RT9266 Typical Application for Portable Instruments
EN
100uF
C4
RT9266
VDD
GND
Figure 2. RT9266 High Voltage Applications
EN
EXT
100uF
C3
RT9266
RVDD
100
EXT
GND
VDD
FB
LX
4.7uH
3.3 to 10 uH
L1
1uF
CVDD
LX
FB
RM
0.22
L1
Q1
N MOS
C3
0.1uF
1uF
C2
1N5819
R1
R2
100k
860k/620k
D1
1N5819
1.6M/3M
R1
R2
980k/1M
D1
1uF
C2
100uF
C1
V
3.3V/5V
OUT
100uF
C1
12V/9V
300mA
DS9266-12 May 2007