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Número de pieza
componentes Descripción
RT7253ALGSP Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT7253ALGSP
3A, 17V, 340kHz Synchronous Step-Down Converter
Richtek Technology
RT7253ALGSP Datasheet PDF : 14 Pages
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Function Block Diagram
RT7253A
VIN
Internal
Regulator
Oscillator
Shutdown
Comparator VA
V
CC
1.2V +
Foldback
Control
-
0.4V +
Lockout
5k
Comparator
EN
-
-
UV
Comparator
2.7V
+
3V
V
CC
6µA
SS
0.8V ++EA
-
Current Sense
Slope Comp
Amplifier
+
VA
-
SQ
+
-
RQ
Current
Comparator
120m
Ω
120m
Ω
BOOT
SW
GND
FB
COMP
DS7253A-02 March 2011
www.richtek.com
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