RT9264 ETC, RT9264 Datasheet - Page 2

• Manufacturer Part Number: RT9264
• Description: HIGH FREQUENCY HIGH EFFICIENCY STEP UP DC/DC CONVERTER
• Manufacturer: ETC

RT9264
www.richtek-ic.com.tw
2
3.3V
V
V
OUT
Chip Enable Input
Fig. 2 Application Circuit with Zero-Output-Current Shutdown Mode Control
OUT2
2.5V
3.3V/5V
10µF
C3
V
IN
V
IN
+
+
10µF
C3
22K
42K
R3
R4
CE
L DO O
L F B
CE
L DO O
L F B
Fig. 3 High Voltage Application
RT9264
G N D
RT9264
VDD
G N D
VDD
Preliminary
R5
100Ω
+
EXT
F B
L X
C5
22µF
EXT
F B
L X
22K
36K
R2
R1
1N5819
Q1
NMOS
L1
3.3µH
D1
C2
1µF
L1
2.2µH
1N5819
20K
D1
R1
220K
R2
C2
1µF
+
DS9264-00 December 2001
C1
47µF
47µF
C4
47µF
+
C1
47µF
15V
V
OUT1