RT8223P
Typical Operating Characteristics
VOUT1 Efficiency vs. Load Current
VOUT1 Efficiency vs. Load Current
100
100
90
80
70
60
50
40
30
20
10
0
90
DEM Mode
DEM Mode
80
70
Ultrasonic Mode
Ultrasonic Mode
PWM Mode
60
50
PWM Mode
40
30
20
VIN = 12V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
VIN = 8V, TONSEL=GND, EN= FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
10
0
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Load Current (A)
Load Current (A)
VOUT2 Efficiency vs. Load Current
VOUT1 Efficiency vs. Load Current
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
DEM Mode
DEM Mode
Ultrasonic Mode
PWM Mode
Ultrasonic Mode
PWM Mode
VIN = 20V
VIN = 8V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Load Current (A)
Load Current (A)
VOUT2 Efficiency vs. Load Current
VOUT2 Efficiency vs. Load Current
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
DEM Mode
DEM Mode
Ultrasonic Mode
PWM Mode
Ultrasonic Mode
PWM Mode
VIN = 20V
TONSEL=GND,EN= FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
VIN = 12V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
0.001
0.01
0.1
1
10
0.001
0.01
0.1
1
10
Load Current (A)
Load Current (A)
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10
DS8223P-01 June 2011