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RT9221CS Datasheet(PDF) 3 Page - List of Unclassifed Manufacturers

Part # RT9221CS
Description  PROGRAMMABLE SYNCHRONOUS PWM BUCK CONVERTER WITH 1.5V / 2.5V DUAL LOW DROPOUT LINEAR REGULATOR CONTROLLER
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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RT9221CS Datasheet(HTML) 3 Page - List of Unclassifed Manufacturers

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RT9221
DS9222-05 May 2001
www.richtek-ic.com.tw
3
Function Block Diagram
OSCILLATOR
OPEN
DRAIN
ERROR AMP
VCC
VCC
CSN CSP
BSTH
PGNDH
PGNDL
DH
DL
BSTL
1.25V REF
GND
DRIVER
LEVEL SHIFT
AND DRIVER
SHOOT-
THROUGH
CONTROL
S
Q
R
70mV
CURRENT LIMIT
PGOOD
VID4
VID3
VID2
VID1
VID0
VSEN
OVP
SHDN
200KHz
DAC
LINEAR
CONTROLLER
1.5V
LINEAR
CONTROLLER
2.5V
1.265V
REF
GND
LDOS1
GATE1
LDOS2
GATE2
LDOV
_
_
_


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