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RT9172-22CT5 Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # RT9172-22CT5
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

RT9172-22CT5 Datasheet(HTML) 4 Page - Richtek Technology Corporation

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RT9172
Preliminary
www.richtek-ic.com.tw
DS9172-03 April 2002
4
Absolute Maximum Ratings
Input Voltage
6V
Power Dissipation
Internally Limited
ESD Rating
3 kV
Storage Temperature Range
−65°C to 150°C
Lead Temperature (Soldering, 5 sec.)
260
°C
Package Thermal Resistance
TO-263,
θJC
8
°C/W
TO-263,
θJA
19.4
°C/W
TO-220,
θJC
8
°C/W
TO-220,
θJA
62
°C/W
SOT-223,
θJC
15
°C/W
SOT-223,
θJA
60
°C/W
Junction Temperature Range
-40
°C to +125°C
Electrical Characteristics
(Limits in standard typeface are for TA = 25
°C, unless otherwise specified: VIN = VO(NOM) + 1.0V, IL = 10mA, COUT =
10µF (Ceramic), VEN = VIN)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Output Voltage Tolerance
-1.5
0
+1.5
%
Input Voltage Range
VIN
2.25
--
6
V
Line Regulation
∆VLINE
VOUT + 0.4V
< VIN < 6.0V
--
0.35
0.8
%
Note 1
--
0.4
1
Load Regulation
∆VLOAD
Note 2
--
0.1
0.3
%
IL = 300mA
--
50
70
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


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