RT8023 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8023 Datasheet PDF : 19 Pages
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RT8023
Typical Operating Characteristics
Buck Efficiency vs. Output Current
100
90
VIN1 = 5V
80
VIN1 = 3.3V
70
60
50
40
30
20
10
VOUT1 = 1.2V
0
0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5
Output Current (A)
1.220
1.215
1.210
Buck Output Voltage vs. Temperature
VIN1 = 5.5V
VIN1 = 3.3V
1.205
1.200
1.195
1.190
1.185
1.180
-50 -25
VOUT1 = 1.2V
0
25 50 75
Temperature (°C)
100 125
Buck Frequency vs. Input Voltage
1.30
1.25
1.20
1.15
1.10
1.05
1.00
VOUT1 = 1.2V, IOUT1 = 0.1A
2.5
3
3.5
4
4.5
5
5.5
Input Voltage (V)
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8
Buck Output Voltage vs. Load Current
1.203
1.202
1.201
1.200
1.199
VIN1 = 5.5V
VIN1 = 3.3V
1.198
1.197
1.196
0
VOUT1 = 1.2V
0.15 0.3 0.45 0.6 0.75 0.9 1.05 1.2 1.35 1.5
Load Current (A)
Buck Current Limit vs. Temperature
2.6
2.5
2.4
2.3
VIN1 = 3.3V
2.2
2.1
VIN1 = 5.5V
2.0
1.9
1.8
1.7
1.6
-50 -25
VOUT1 = 1.2V
0
25
50 75
Temperature (°C)
100 125
Buck Frequency vs. Input Voltage
1.30
1.25
1.20 VIN1 = 5.5V
1.15
1.10 VIN1 = 3.3V
1.05
1.00
-50 -25
VOUT1 = 1.2V, IOUT1 = 0.1A
0
25
50 75
Input Voltage (V)
100 125
DS8023-03 March 2011
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