RT8078A Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8078A Datasheet PDF : 12 Pages
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RT8078A
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VIN = 5V, VOUT = 1.2V, IOUT = 0A to 4A
0.5 1 1.5 2 2.5 3 3.5 4
Output Current (A)
Switching Frequency vs. Temperature
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
-50 -25
IOUT = 0.6A
0
25 50 75
Temperature (°C)
100 125
VIN UVLO Threshold vs. Temperature
2.8
2.7
2.6
2.5
Rising
2.4
2.3
2.2
Falling
2.1
2.0
1.9
1.8
-50 -25 0
25 50 75 100 125
Temperature (°C)
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6
Output Voltage vs. Output Current
1.23
1.22
1.21
1.20
1.19
1.18
1.17
VIN = 5V, VOUT = 1.2V, IOUT = 0A to 4A
0 0.5 1 1.5 2 2.5 3 3.5 4
Output Current (A)
Reference Voltage vs. Temperature
0.65
0.64
0.63
0.62
0.61
0.60
0.59
0.58
0.57
0.56
0.55
-50 -25
0
25 50 75
Temperature (°C)
100 125
Enable Voltage vs. Temperature
1.6
1.5
1.4
1.3
1.2
Rising
1.1
1.0
Falling
0.9
0.8
0.7
0.6
-50 -25
0
25 50 75
Temperature (°C)
100 125
DS8078A-01 June 2011
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