RT8010B 查看數據表（PDF） - Richtek Technology
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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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