RT9261 RICHTEK [Richtek Technology Corporation], RT9261 Datasheet - Page 6

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

RT9261/A
Function Block Diagram
Notes:
Pin Description
www.richtek-ic.com.tw
6
-xxCX
--
--
--
1
2
3
(1) LX Pin .……
(2) EXT Pin ……
(3) CE Pin ……
A-xxCX
--
--
--
1
2
3
Pin No.
GND
EXT
LX
-xxCB
--
4
2
5
1
3
only for 9261-
only for 9261A-
only for 9261-
A-xxCB
LXSW
--
4
2
5
1
3
Pin Name
GND
VOUT
LX
EXT
CE
NC
OSC 100kHz
V
Buffer
VFM Control
Chip Enable
LX
CE
CX and 9261-
CB and 9261A-
Limiter
CX and 9261A-
Preliminary
Pin Function
Ground
Output Voltage
Pin for Switching
Drive External Device
Chip Enable (Active High)
No Connected
Error Amp.
CB
_
+
CB
CB
Vref
DS9261/A-03 January 2002
VOUT