RT8223P
VOUT1 Switching Frequency vs. Load Current
VOUT1 Switching Frequency vs. Load Current
220
220
PWM Mode
PWM Mode
200
200
180
180
VIN = 8V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
VIN = 12V
160
160
140
120
100
80
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
140
120
100
80
60
60
Ultrasonic Mode
Ultrasonic Mode
40
40
20
20
DEM Mode
DEMMode
0.1
0
0
0.001
0.01
1
10
0.001
0.01
0.1
1
10
Load Current (A)
Load Current (A)
VOUT1 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
220
280
260
240
220
200
180
160
140
120
100
80
PWM Mode
200
180
160
140
120
100
80
PWM Mode
VIN = 8V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
VIN = 20V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 1.5V, VENTRIP2 = 5V
60
60
Ultrasonic Mode
40
Ultrasonic Mode
40
20
20
DEM Mode
DEM Mode
0.1
0
0
0.001
0.01
0.1
1
10
0.001
0.01
1
10
Load Current (A)
Load Current (A)
VOUT2 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
280
280
PWM Mode
260
260
240
220
200
180
160
140
120
100
80
PWM Mode
240
220
200
VIN = 12V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
VIN = 20V
TONSEL=GND, EN= FLOATING,
VENTRIP1 = 5V, VENTRIP2 = 1.5V
180
160
140
120
100
80
60
60
Ultrasonic Mode
Ultrasonic Mode
40
40
20
20
0
DEM Mode
0.1
DEM Mode
0
0.001
0.01
0.1
1
10
0.001
0.01
1
10
Load Current (A)
Load Current (A)
DS8223P-01 June 2011
www.richtek.com
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