RT9262AGS RICHTEK [Richtek Technology Corporation], RT9262AGS Datasheet - Page 2

• Manufacturer Part Number: RT9262AGS
• Description: High Efficiency, Low Supply Current, Step-up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9262/A
Typical Application Circuit
www.richtek.com
2
Low Battery
Warning Output
(Open Collector)
2.5V
V
OUT2
Figure 3. Application Circuit with Zero-Output-Current Shutdown Mode Control
Figure 2. RT9262A Typical Application for Portable Instruments below 400mA
3.3V
V
V
V
Figure 1. RT9262 Typical Application for Portable Instruments below 400mA
IN
OUT
IN
10uF
V
C6
IN
10uF
Enable
C5
1.3M
R4
R3
Chip
680K
R4
R3
C5
1nF
EN
LDO O
LFB
EN
LBO
LFB
EN
LDO O
LFB
RT9262
GND
VDD
RT9262
Preliminary
RT9262
GND
VDD
GND
VDD
EXT
LX
FB
EXT
EXT
FB
LX
FB
LX
100pF
C4
100pF
C4
100pF
C4
1.6M
R1
980K
R2
1.6M
R1
980K
1.6M
R2
R1
980K
R2
1uF
4.7uF
C2
L1
1uF
1uF
4.7uF
C2
D1
4.7uF
L1
C2
L1
D1
D1
100uF
C1
DS9262/A-11 March 2007
C3
100uF
100uF
C1
100uF
C1
100uF
C3
C3
100uF
3.3V
V
3.3V
V
OUT1
OUT1