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RT9172 Datasheet(PDF) 7 Page - Richtek Technology Corporation

Part # RT9172
Description  3A Fixed Output Voltage LDO Regulator
PDF  16 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9172 Datasheet(HTML) 7 Page - Richtek Technology Corporation

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RT9172
7
DS9172-15 April 2008
www.richtek.com
Typical Operating Characteristics
Temperature Stability
2.40
2.44
2.48
2.52
2.56
2.60
-35
-15
5
25
45
65
85
105
125
Temperature
(°C)
VOUT = 2.5V
CIN = 1uF (Ceramic)
COUT = 10uF (Tantalum)
VIN = VO + 1.0V
ILOAD = 10mA
Quiescent Current vs. Load Current
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Load Current (A)
VOUT = 2.5V
CIN = 1uF (Ceramic)
COUT = 10uF (Tantalum)
VIN = VO + 1.0V
Quiescent Current vs. Temperature
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
-35
-15
5
25
45
65
85
105
125
Temperature
(°C)
VOUT = 2.5V
CIN = 1uF (Ceramic)
COUT = 10uF (Tantalum)
VIN = VO + 1.0V
ILOAD = 10mA
Quiescent Current vs. Supply Voltage
0.0
0.3
0.6
0.9
1.2
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Supply Voltage (V)
VOUT = 2.5V
CIN = 1uF (Ceramic)
COUT = 10uF (Tantalum)
VIN = 2V to 6V
ILOAD = 10mA
Dropout Voltage (VIN - VOUT)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.00.5
1.01.5
2.02.5
3.0
Load Current (A)
VOUT = 2.5V
CIN = 1uF (Ceramic)
COUT = 10uF (Tantalum)
TJ = 25°C
TJ = 125°C
Current Limit vs. Temperature
2.0
2.8
3.6
4.4
5.2
6.0
-35
-15
5
25
45
65
85
105
125
Temperature
(°C)
VOUT = 2.5V
CIN = 1uF (Ceramic)
COUT = 10uF (Tantalum)
VIN = VOUT + 1.0V



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