rt9263ccx5 Richtek Technology Corporation, rt9263ccx5 Datasheet - Page 2

• Manufacturer Part Number: rt9263ccx5
• Description: High Efficiency Supply Current Step Dc/dc Converter
• Manufacturer: Richtek Technology Corporation

RT9263
www.richtek-ic.com.tw
2
3.3/5V
3.3/5V
Chip Enable
V
V
V
Fig. 3 High Voltage Application (Rm should be added when IL > 100mA)
IN
IN
IN
+
+
+
100µF
100 µ F
Fig.4 High Voltage Application with Shutdown Control
CE
Fig. 2 0.4A ~ 1A Output Current Application
RT9263ECX5
RT9263ECX5
RT9263CCX5
GND
GND
VDD
GND
VDD
VDD
10µH
10 µ H
L1
L1
EXT
EXT
FB
FB
LX
FB
LX
LX
Preliminary
100pF
Q1
NMOS
Q1
NMOS
Rm
0.05~0.1Ω
0.1 µ F
0.1µF
1.6M
980K
R1
R2
D1
D1
Q1
NMOS
2.2M
200K
2.2M
200K
R1
R2
R1
R2
C2
1µF
C2
1 µ F
1N5819
C2
1µF
L1
4.7µH
D1
+
+
+
C1
100 µ F
C1
100 µ F
15V
V
15V
V
C1
100µF
DS9263-00 November 2001
100µF
OUT1
OUT1
3.3V
V
OUT1