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RT8205L 데이터 시트보기 (PDF) - Richtek Technology

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RT8205L
High Efficiency, Main Power Supply Controller for Notebook Computer
Richtek
Richtek Technology Richtek
RT8205L Datasheet PDF : 26 Pages
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Typical Operating Characteristics
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 = 8V, TONSEL = GND, VENTRIP1 = 1.5V,
ENTRIP2 = GND, EN = FLOATING
0.01
0.1
1
10
Load Current (A)
VOUT1 Efficiency vs. Load Current
100
90
DEM Mode
80
70
60
50
PWM Mode
40 Ultrasonic Mode
30
20
10
0
0.001
VIN = 20V, TONSEL = GND,
VENTRIP1 = 1.5V, ENTRIP2 = GND,
EN = FLOATING
0.01
0.1
1
10
Load Current (A)
VOUT2 Efficiency vs. Load Current
100
90
80
70 DEM Mode
60
50
PWM Mode
40
30 Ultrasonic Mode
20
10
0
0.001
0.01
VIN = 12V, TONSEL = GND,
ENTRIP1 = GND, VENTRIP2 = 1.5V,
EN = FLOATING
0.1
1
10
Load Current (A)
DS8205L/M-05 June 2011
RT8205L/M
VOUT1 Efficiency vs. Load Current
100
90
DEM Mode
80
70
60
PWM Mode
Ultrasonic Mode
50
40
30
20
10
0
0.001
VIN = 12V, TONSEL = GND,
VENTRIP1 = 1.5V, ENTRIP2 = GND,
EN = FLOATING
0.01
0.1
1
10
Load Current (A)
VOUT2 Efficiency vs. Load Current
100
90
80 DEM Mode
70
60
50
PWM Mode
40 Ultrasonic Mode
30
20
10
0
0.001
VIN = 8V, TONSEL = GND,
ENTRIP1 = GND, VENTRIP2 = 1.5V,
EN = FLOATING
0.01
0.1
1
10
Load Current (A)
VOUT2 Efficiency vs. Load Current
100
90
80
70 DEM Mode
60
50
Ultrasonic PWM Mode
Mode
40
30
20
10
0
0.001
VIN = 20V, TONSEL = GND,
ENTRIP1 = GND, VENTRIP2 = 1.5V,
EN = FLOATING
0.01
0.1
1
10
Load Current (A)
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