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Part Name
Description
RT9261B-18CX View Datasheet(PDF) - Richtek Technology
Part Name
Description
View to exact match
RT9261B-18CX
VFM Step-up DC/DC Converter
Richtek Technology
RT9261B-18CX Datasheet PDF : 10 Pages
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RT9261B
Typical Application Circuit
L1
V
IN
27
µ
H
Preliminary
D1
1N5819
RT9261B
LX VOUT
GND
V
OU T
+
Co
-
22
µ
F
D1
L1
V
IN
27
µ
H
1N5819
RT9261B
LX
VOUT
CE
GND
V
OU T
+
Co
-
22
µ
F
* L1 ranges from 27
µ
H to 120
µ
H
Pin Description
Pin No.
-xxCX
-xxCB
1
4
2
2
3
5
--
1
--
3
Pin Name
Pin Function
GND
VOUT
LX
CE
NC
Ground
Output Voltage
Pin for Switching
Chip Enable (Active High)
No Connection
Function Block Diagram
LX
GND
LXSW
VLX Limiter
Buffer
VFM Control
OSC 190kHz
Chip Enable
Vref
-
+
Error Amp.
VOUT
www.richtek-ic.com.tw
2
CE
DS9261B-03 September 2001
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