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RT9183 Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part No. RT9183
Description  Ultra Low Dropout 1.5A Linear Regulator
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Maker  RICHTEK [Richtek Technology Corporation]
Homepage  http://www.richtek.com
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RT9183 Datasheet(HTML) 3 Page - Richtek Technology Corporation

 
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RT9183
3
DS9183-14 April 2008
www.richtek.com
Figure 3. Fixed Operation with SOP-8 and TO-263-5 packages
Functional Pin Description
Pin Name
Pin Function
EN
Chip Enable Control Input.
Note that the device will be in the unstable state if the pin is not connected.
VIN
Supply Input.
GND
Common Ground.
VOUT
Regulator Output.
ADJ
The output voltage is set by the internal feedback resistors when this pin
grounded. If external feedback resistors are applied, the output voltage will be:
VOUT = 0.8 × (1 +
) Volts
2
1
R
R
Function Block Diagram
VIN
VOUT
EN
GND ADJ
(SOP-8 & TO-263-5)
RT9183
VOUT
VIN
CIN
COUT
C
10uF
0.1uF
10uF
Enable
Thermal
Shutdown
VOUT
Shutdown
Logic
EN
GND
Output Mode
Comparator
ADJ
VIN
Error
Amplifier
+
-
0.8V
Reference
Current Limit
Sensor
+
-
100mV


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