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RT8120B Просмотр технического описания (PDF) - Richtek Technology
Номер в каталоге
Компоненты Описание
производитель
RT8120B
Single-Phase Synchronous Buck PWM Controller
Richtek Technology
RT8120B Datasheet PDF : 17 Pages
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Function Block Diagram
FB
COMP/EN
POR
Internal
Regulator
V
REF
Error
Amp
+
-
SS
Soft-Start/
Fault Logic
PWM
+
-
ramp
fault
Gate
Control
Oscillator
+
-
Sample
/Hold
VCC
I
OCSET
Figuer 1. RT8120A/B Function Block Diagram
RT8120
VCC
BOOT
UGATE
PHASE
LGATE/
OCSET
GND
POR
Internal
Regulator
FB
COMP/EN
V
REF
Error
Amp
+
-
PWM
+
-
Gate
Control
VCC
SS
Soft-Start/
Fault Logic
ramp
fault
PHASE
V
IN
Detection
Oscillator
+
-
Sample
/Hold
I
OCSET
Figuer 2. RT8120C/D Function Block Diagram
VCC
BOOT
UGATE
PHASE
LGATE/
OCSET
GND
Copyright
©
2013 Richtek Technology Corporation. All rights reserved.
DS8120-08 September 2013
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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