RT9009 データシートの表示（PDF） - Richtek Technology
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RT9009 Datasheet PDF : 9 Pages
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RT9009
Dropout Voltage vs. Output Current
900
800
TA = 125°C
700
600
TA = 25°C
500
400
TA = −40°C
300
200
100
0
0 250 500 750 1000 1250 1500 1750 2000
Output Current (mA)
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
2.5
Current Limit vs. Input Voltage
VOUT = 1.8V
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Load Transient Response
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
10
PSRR
IOUT = 300mA
IOUT = 0A
VIN = 3.3V + 0.1VAC, VOUT = 1.8V,
CIN = 1μF/X7R, COUT = 2.2μF
100
1,000 10,000 100,000 1,000,000
Frequency (Hz)
4.0
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
-50
Current Limit vs. Temperature
VIN = 3.3V, VOUT = 1.8V
-25
0
25 50 75 100 125
Temperature (°C)
Load Transient Response
VOUT
(20mV/Div)
VOUT
(20mV/Div)
IOUT
(1A/Div)
VIN = 3.3V, VOUT = 1.8V, IOUT = 0A to 1A
Time (250μs/Div)
IOUT
(1A/Div)
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6
VIN = 3.3V, VOUT = 1.8V, IOUT = 0A to 2.2A
Time (250μs/Div)
DS9009-01 April 2011
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