RT8070 查看數據表（PDF） - Richtek Technology
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RT8070 Datasheet PDF : 12 Pages
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RT8070
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VIN = 5V, VOUT = 1.1V, IOUT = 0A to 4A
0.5 1 1.5 2 2.5 3 3.5 4
Output Current (A)
Switching Frequency vs. Temperature
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
0.94
-50 -25
VIN = 5V, VOUT = 1.1V, IOUT = 0.6A,
RRT = 330kΩ
0
25 50 75 100 125
Temperature (°C)
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
1.8
-50
VIN UVLO vs. Temperature
Rising
Falling
-25 0
25 50 75 100 125
Temperature (°C)
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6
1.130
1.125
1.120
1.115
1.110
1.105
1.100
1.095
1.090
1.085
1.080
1.075
1.070
0
Output Voltage vs. Output Current
VIN = 5V, VOUT = 1.1V, IOUT = 0A to 4A
0.5 1 1.5 2 2.5 3 3.5 4
Output Current (A)
Reference Voltage vs. Temperature
0.84
0.83
0.82
0.81
0.80
0.79
0.78
0.77
0.76
-50 -25
VIN = 5V, VOUT = 1.1V
0
25 50 75 100 125
Temperature (°C)
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-50
Enable Voltage vs. Temperature
Rising
Falling
-25
0
25 50 75 100 125
Temperature (°C)
is a registered trademark of Richtek Technology Corporation.
DS8070-07 November 2012
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