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Description
RT9224 View Datasheet(PDF) - Richtek Technology
Part Name
Description
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RT9224
5-Bit Programmable Synchronous PWM Buck Converter Controller and Output Voltage Monitor
Richtek Technology
RT9224 Datasheet PDF : 8 Pages
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Function Block Diagram
VSEN
OCSET
VID0
VID1
VID2
VID3
VID4
FB
VCC
Reference
TTL D/A
Converter
(DAC)
110%
+
90%
-
Power-On
Reset (POR)
115%
200uA
+
-
Over Voltage
+
-
+
-
Over Current
4.5V
Soft
Start
DACOUT
+
Error Amplifier
-
Inhibit
PWM
Comparator
+
Gate
Control
Logic
-
PWM
Oscillator
RT9224
PGOOD
10uA
OVP
SS
BOOT
UGATE
PHASE
LGATE
PGND
GND
DS9224-05 March 2004
www.richtek.com
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