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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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Parameter
Protection
Over-voltage Trip (VSEN/DACOUT)
OCSET Current Source
OVP Sourcing Current
Soft-Start Current
Power Good
Upper Threshold (VSEN/DACOUT)
Lower Threshold (VSEN/DACOUT)
Hysteresis (VSEN/DACOUT)
PGOOD Voltage Low
Symbol
Test Conditions
RT9224
Min Typ Max Units
I
OCSET
I
OVP
I
SS
V
OCSET
= 4.5V
V
SEN
= 5.5V, V
OVP
= 0V
V
SS
= 1.5V
--
115 120
%
167 200 233
µ
A
60
--
--
mA
--
10
--
µ
A
VSEN Rising
106
--
114
%
VSEN Falling
89
--
96
%
Upper and Lower Threshold --
2
--
%
V
PGOOD
I
PGOOD
= -5mA
--
0.5
--
V
DS9224-05 March 2004
www.richtek.com
7
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