RT9261B 데이터 시트보기 (PDF) - Richtek Technology
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RT9261B Datasheet PDF : 8 Pages
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RT9261B
Typical Application Circuit
L1
VIN
Preliminary
D1
1N5819
RT9261B
LX
VOUT
GND
VOUT
COUT
22uF
L1
VIN
D1
1N5819
RT9261B
LX
VOUT
EN GND
VOUT
COUT
22uF
* L1 ranges from 27μH to 120μH
Functional Pin Description
Pin No.
-xxCX
-xxCB
1
4
2
2
3
5
--
1
--
3
Pin Name
Pin Function
GND
VOUT
LX
EN
NC
Ground
Output Voltage
Pin for Switching
Chip Enable (Active High)
No Connection
Function Block Diagram
LX
GND
VLX Limiter
LXSW
Buffer
OSC 190kHz
Chip Enable
VREF
-
+
Error
Amplifier
VOUT
EN
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2
DS9261B-12 March 2007
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