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RT9178 Datasheet(PDF) 5 Page - Richtek Technology Corporation

Part # RT9178
Description  200mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator
PDF  11 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9178 Datasheet(HTML) 5 Page - Richtek Technology Corporation

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RT9178
5
DS9178-16 April 2008
www.richtek.com
Typical Operating Characteristics
Dropout Voltage vs. Load Current
0
0.05
0.1
0.15
0.2
0.25
0.3
0
25
50
75
100
125
150
175
200
Load Current (mA)
TJ = 25
° C
TJ = -35
° C
TJ = 125
° C
VIN = 4V
CBP = 10nF
CIN = 1uF
COUT = 1uF
PSRR
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
0.1
1
10
100
1000
Frequency (kHz)
VIN = 4V
CBP = 10nF
CIN = 1uF
COUT = 1uF
TA = -35
°C
1mA
100mA
(°C)
PSRR
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
0.1
1
10
100
1000
Frequency (kHz)
VIN = 4V
CBP = 10nF
CIN = 1uF
COUT = 1uF
TA = 25
°C
1mA
100mA
Quiescent Current vs. Temperature
70
75
80
85
90
95
100
-35
-15
5
25
45
65
85
105
125
Temperature (°C)
VIN = 4V
CBP = 10nF
CIN = 1uF
COUT = 1uF
Output Voltage vs. Temperature
2.5
2.7
2.9
3.1
3.3
3.5
-35
-15
5
25
45
65
85
105
125
Temperature
VIN = 4V
CBP = 10nF
CIN = 1uF
COUT = 1uF
Line Transient Response
Time (500us/Div)
VIN = 3.2 to 3.8V
CBP = 10nF
3.8
3.2
20
0
-20
CIN = 1uF
COUT = 10uF



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