RT9261B-12CX 데이터 시트보기 (PDF) - Richtek Technology
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RT9261B-12CX Datasheet PDF : 10 Pages
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RT9261B
Typical Application Circuit
L1
VIN 27µH
Preliminary
D1
1N5819
RT9261B
LX VOUT
GND
VOU T
+ Co
- 22µF
D1
L1
VIN
27µH
1N5819
RT9261B
LX
VOUT
CE GND
VOU T
+ Co
- 22µF
* L1 ranges from 27µH to 120µH
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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