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RT9181 Datasheet(PDF) 2 Page - Richtek Technology Corporation

Part # RT9181
Description  150mA LDO Regulator with PGOOD
PDF  10 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9181 Datasheet(HTML) 2 Page - Richtek Technology Corporation

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RT9181
2
DS9181-14
March 2007
www.richtek.com
Function Block Diagram
Functional Pin Description
Pin Name
Pin Function
VIN
Power Input Voltage
GND
Ground
EN
Chip Enable (Active High)
PGOOD
Power Good Indicator
VOUT
Output Voltage
Timing Diagram
t
D (PG) 2.0ms typ.
V
PGOODH
90% max of V
OUT (normal)
85% min of V
OUT (normal)
V
PGOODL
V
OUT
PGOOD
EN
VIN
+
VOUT
Gate
Control
GND
Thermal
Control
Shutdown
Control
Undervoltage
Lockout
Current
Limit
Output Voltage
Detection
Delay
Timer
Power Good
Control
GOOD
Fault
V
REF
PGOOD



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