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RT9172F-16PM Datasheet(PDF) 5 Page - Richtek Technology Corporation

Part # RT9172F-16PM
Description  3A Fixed Output Voltage LDO Regulator
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9172F-16PM Datasheet(HTML) 5 Page - Richtek Technology Corporation

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RT9172
5
DS9172-14
March 2007
www.richtek.com
Electrical Characteristics
(Limits in standard typeface are for TA = 25°C, unless otherwise specified: VIN = VO(NOM) + 1.0V, IL = 10mA,
COUT = 10
μF(Electrolytic), VEN = VIN)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Output Voltage Tolerance
-1.5
0
+1.5
%
Input Voltage Range
VIN
2.25
--
5.5
V
Line Regulation
ΔVLINE
VOUT + 0.4V < VIN < 5.5V
--
0.35
1
%
Note 1
--
0.4
1
Note 2
--
0.1
0.4
Load Regulation
ΔVLOAD
Note 3
--
0.1
0.4
%
Dropout Voltage
VDROP
IL = 3A
--
400
700
mV
Quiescent Current
IQ
--
1.2
3
mA
Shutdown Supply Current
IGSD
VEN = 0V
--
0.5
5
μA
Peak Output Current
IO(PEAK)
3.5
5
--
A
Short Circuit Protection
Current Limit
ILIMIT
3.5
5
--
A
Over Temperature Protection
Shutdown Threshold
TSD
Guaranteed by design
--
170
--
°C
Thermal Shutdown Hysteresis
Guaranteed by design
--
10
--
°C
Shutdown Function
Output = High
1.2
VIN
--
EN Pin Shutdown Threshold
VEN
Output = Low
--
0
0.4
V
EN Input Current
VEN = VIN
--
0.1
--
nA
FLG Pin Leakage Current
ILEAKAGE
--
1
--
nA
FLG Pin Sink Current
VFLG = 0.5V
2
--
--
mA
Note 1. RT9172-CX, RT9172F-XXCX5, 10mA < IL < 3A
Note 2. RT9172S-XXCX5, RT9172N-XXCX5, 10mA < IL < 3A
Note 3. RT9172CS, 10mA < IL < 1.5A
Note 4.
θJA is measured in the natural convection at TA = 25°C on a low effective thermal conductivity test board of
JEDEC 51-3 thermal measurement standard. The case point of
θJC is on the center of the exposed pad. The pad size
is 125mm2 on TO-263 packages.


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