RT8010B Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Lista de partido
RT8010B Datasheet PDF : 12 Pages
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Preliminary
RT8010B
Typical Operating Characteristics
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
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
Output Current (A)
100
90
80
70
60
50
40
30
20
10
0
0
Efficiency vs. Output Current
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
Output Current (A)
EN Pin Threshold vs. Input Voltage
1.20
1.15
1.10
1.05
1.00
0.95
Rising
0.90
0.85
0.80
Falling
0.75
0.70
0.65
0.60
VOUT = 1.2V, IOUT = 0A
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
Input Voltage (V)
UVLO Threshold vs. Temperature
2.0
1.9
Rising
1.8
1.7
1.6
1.5
Falling
1.4
1.3
VOUT = 1.2V, IOUT = 0A
1.2
-40 -25 -10 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
Rising
0.9
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)
0.612
VREF vs. Temperature
0.610
0.608
0.606
0.604
0.602
0.600
0.598
0.596
0.594
0.592
0.590
0.588
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
DS8010B-00 July 2007
www.richtek.com
5
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