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Número de pieza
componentes Descripción
RT8287 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8287
3A, 21V 500kHz Synchronous Step-Down Converter
Richtek Technology
RT8287 Datasheet PDF : 14 Pages
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Function Block Diagram
RT8287
VIN
EN
VCC
PGOOD
FB
SS
1.2V
Shutdown
Comparator
+
Regulator
-
Ramp
Generator
V
A
5k
-
V
C
1µA
+
Lockout
3V
Comparator
1.7V
Oscillator
500kHz
Current Sense
Amplifier
-
+
V
A
S
Q
+
R
-
PWM
Comparator
Driver
+
Reference
-
V
C
10µA
Error
+
Amplifier
+
-
30pF
400k
1pF
BOOT
SW
GND
Copyright
©
2012 Richtek Technology Corporation. All rights reserved.
DS8287-03 June 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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