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RT8223P データシートの表示（PDF） - Richtek Technology

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RT8223P
High Efficiency, Main Power Supply Controller for Notebook Computer
Richtek
Richtek Technology Richtek
RT8223P Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
RT8223P
Typical Operating Characteristics
VOUT1 Efficiency vs. Load Current
100
90 DEM Mode
80
70
Ultrasonic Mode
60
50
PWM Mode
40
30
20
10
0
0.001
VIN = 8V, TONSEL = GND, EN = FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
0.01
0.1
1
10
Load Current (A)
VOUT1 Efficiency vs. Load Current
100
90
DEM Mode
80
70
60
Ultrasonic Mode
50
PWM Mode
40
30
20
10
0
0.001
VIN = 20V
TONSEL = GND, EN = FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
0.01
0.1
1
10
Load Current (A)
VOUT2 Efficiency vs. Load Current
100
90
80 DEM Mode
70
60
Ultrasonic Mode
50
PWM Mode
40
30
20
10
0
0.001
VIN = 12V
TONSEL = GND, EN = FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
0.01
0.1
1
10
Load Current (A)
www.richtek.com
10
VOUT1 Efficiency vs. Load Current
100
90 DEM Mode
80
70
60
Ultrasonic Mode
50
40
PWM Mode
30
20
10
0
0.001
VIN = 12V
TONSEL = GND, EN = FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
0.01
0.1
1
10
Load Current (A)
VOUT2 Efficiency vs. Load Current
100
90
80 DEM Mode
70
60
Ultrasonic Mode
50
PWM Mode
40
30
20
10
0
0.001
VIN = 8V
TONSEL = GND, EN = FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
0.01
0.1
1
10
Load Current (A)
VOUT2 Efficiency vs. Load Current
100
90
80
DEM Mode
70
60
Ultrasonic Mode
50
40
30
20
10
0
0.001
PWM Mode
VIN = 20V
TONSEL = GND,EN = FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
0.01
0.1
1
10
Load Current (A)
DS8223P-01 June 2011

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