RT9221 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Lista de partido
RT9221 Datasheet PDF : 8 Pages
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Function Block Diagram
RT9221
VCC CSN CSP
SHDN
VID4
VID3
VID2
VID1
VID0
1.25V REF
70mV
CURRENT LIMIT
DAC
OSCILLATOR
R
Q
S
VSEN
PGOOD
OPEN
DRAIN
_
200KHz
LEVEL SHIFT
AND DRIVER
SHOOT-
THROUGH
CONTROL
_
VCC
_
OVP
ERROR AMP
DRIVER
LDOS1
GATE1
GND
LINEAR
CONTROLLER
2.5V
1.265V
REF
LINEAR
CONTROLLER
1.5V
BSTH
DH
PGNDH
BSTL
DL
PGNDL
LDOV
GATE2 LDOS2 GND
DS9222-05 May 2001
www.richtek-ic.com.tw
3
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