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RT8223L 데이터 시트보기 (PDF) - Richtek Technology

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RT8223L
High Efficiency, Main Power Supply Controller for Notebook Computer
Richtek
Richtek Technology Richtek
RT8223L Datasheet PDF : 24 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
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)
DS8223L/M-04 April 2011
RT8223L/M
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)
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