RT8020EGQW データシートの表示（PDF） - Richtek Technology
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RT8020EGQW Datasheet PDF : 14 Pages
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RT8020E
Typical Operating Characteristics
CH1 Efficiency vs. Output Current
100
90
80
70
VIN = 2.4V
VIN = 2.7V
60
VIN = 3V
50
VIN = 3.3V
VIN = 3.6V
40
VIN = 3.9V
VIN = 4.2V
30
VIN = 4.5V
20
10
0
0
VOUT = 1.2V, L = 4.7μH, COUT = 10μF
0.2
0.4
0.6
0.8
1
Output Current (A)
CH1 Output Voltage vs. Output Current
1.23
1.22
1.21
1.20
VIN = 3V
VIN = 3.6V
VIN = 4.2V
VIN = 5V
1.19
1.18
0
VOUT = 1.2V, L = 4.7μH, COUT = 10μF
0.2
0.4
0.6
0.8
1
Output Current (A)
CH1 Output Voltage vs. Input Voltage
1.23
1.22
1.21
IOUT = 0mA
IOUT = 300mA
IOUT = 600mA
1.20
1.19
1.18
2.5
VOUT = 1.2V, L = 4.7μH, COUT = 10μF
3.0
3.5
4.0
4.5
5.0
Input Voltage (V)
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6
CH2 Efficiency vs. Output Current
100
90
80
VIN = 2.4V
70
VIN = 2.7V
VIN = 3V
60
VIN = 3.3V
50
VIN = 3.6V
VIN = 3.9V
40
VIN = 4.2V
VIN = 4.5V
30
20
10
0
0
VOUT = 1.8V, L = 4.7μH, COUT = 10μF
0.2
0.4
0.6
0.8
1
Output Current (A)
CH2 Output Voltage vs. Output Current
1.86
1.84
1.82
1.80
1.78
1.76
0
VIN = 3V
VIN = 3.6V
VIN = 4.2V
VIN = 5V
VOUT = 1.8V, L = 4.7μH, COUT = 10μF
0.2
0.4
0.6
0.8
1
Output Current (A)
CH2 Output Voltage vs. Input Voltage
1.83
1.82
1.81
IOUT = 0mA
IOUT = 300mA
IOUT = 600mA
1.80
1.79
1.78
2.5
VOUT = 1.8V, L = 4.7μH, COUT = 10μF
3.0
3.5
4.0
4.5
5.0
Input Voltage (V)
DS8020E-02 March 2011
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