RT8058A Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8058A Datasheet PDF : 14 Pages
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Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
VIN = 5V
VIN = 3.3V
VOUT = 1.2V, L = 3.3μH, COUT = 22μF
0.25 0.5 0.75 1 1.25 1.5 1.75 2
Output Current (A)
1.200
1.199
1.198
1.197
1.196
1.195
1.194
1.193
1.192
1.191
1.190
2.5
Output Voltage vs. Input Voltage
IOUT = 0A
3
3.5
4
4.5
5
5.5
Input Voltage (V)
Switching Frequency vs. Input Voltage
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
VOUT = 1.2V, IOUT = 300mA
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
DS8058A-02 April 2011
RT8058A
Output Voltage vs. Output Current
1.196
1.195
1.194
1.193
1.192
1.191
VIN = 5V
VIN = 3.3V
1.190
1.189
1.188
0
VOUT = 1.2V, L = 3.3μH, COUT = 22μF
0.25 0.5 0.75 1 1.25 1.5 1.75 2
Output Current (A)
0.600
0.598
0.596
0.594
0.592
0.590
0.588
0.586
0.584
0.582
0.580
-50
FB Voltage vs. Temperature
VIN = 3.3V, IOUT = 0A
-25
0
25 50 75 100 125
Temperature (°C)
Switching Frequency vs. Temperature
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
-50 -25
VIN = 3.3V, VOUT = 1.2V, IOUT = 300mA
0
25 50 75
Temperature (°C)
100 125
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