RT8010 データシートの表示（PDF） - Richtek Technology
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RT8010 Datasheet PDF : 15 Pages
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RT8010/A
Typical Operating Characteristics
Efficiency vs. Output Current
100
90 VIN = 3.6V
80
VIN = 4.2V
VIN = 5.0V
70
60
50
40
30
20
10
0
0
VOUT = 3.3V, COUT = 4.7μF, L = 4.7μH
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output Current (A)
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VIN = 5.0V
VIN = 3.3V
VIN = 2.5V
VOUT = 1.2V, COUT = 10μF, L = 2.2μH
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output Current (A)
EN Pin Threshold vs. Input Voltage
1.20
1.15
1.10
1.05
1.00
Rising
0.95
0.90
0.85
Falling
0.80
0.75
0.70
0.65
0.60
2.5 2.8 3.1 3.4 3.7
VOUT = 1.2V, IOUT = 0A
4 4.3 4.6 4.9 5.2 5.5
Input Voltage (V)
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6
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VIN = 5.0V
VIN = 3.3V
VIN = 2.5V
VOUT = 1.2V, COUT = 4.7μF, L = 4.7μH
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
Output Current (A)
UVLO Voltage vs.Temperature
2.0
1.9
Rising
1.8
1.7
1.6
Falling
1.5
1.4
1.3
1.2
-40 -25 -10
VOUT = 1.2V, IOUT = 0A
5 20 35 50 65 80 95 110 125
Temperature (°C)
EN Pin Threshold vs. Temperature
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
Rising
0.8
Falling
0.7
0.6
0.5
VIN = 3.6V, VOUT = 1.2V, IOUT = 0A
0.4
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
DS8010/A-02 March 2007
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