RT9261-15GB RICHTEK [Richtek Technology Corporation], RT9261-15GB Datasheet - Page 4

• Manufacturer Part Number: RT9261-15GB
• Description: VFM Step-Up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9261/A
Function Block Diagram
Notes:
www.richtek.com
4
Functional Pin Description
-xxCX
--
--
--
1
2
3
(1) LX Pin......
(2) EXT Pin....
(3) EN Pin......
A-xxCX
--
--
--
1
2
3
Pin No.
only for 9261-
only for 9261A-
only for 9261-
GND
-xxCB
EXT
LX
--
4
2
5
1
3
A-xxCB
--
4
2
5
1
3
LXSW
CX and 9261-
CB and 9261A-
CX and 9261A-
Pin Name
GND
VOUT
LX
EXT
EN
NC
OSC 100kHz
VFM Control
Buffer
V
LX
Limiter
Preliminary
CB
CB
Pin Function
Ground
Output Voltage
Pin for Switching
Drive External Device
Chip Enable (Active High)
No Connected
CB
Amplifier
Chip Enable
Error
-
+
EN
V
REF
VOUT
DS9261/A-12 March 2007