RT8205L RICHTEK [Richtek Technology Corporation], RT8205L Datasheet - Page 12

• Manufacturer Part Number: RT8205L
• Description: High Efficiency, Main Power Supply Controller for Notebook Computer
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8205L/M
www.richtek.com
12
VOUT1 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
VOUT1 Switching Frequency vs. Load Current
280
260
240
220
200
180
160
140
120
100
220
200
180
160
140
120
100
220
200
180
160
140
120
100
80
60
40
20
80
60
40
20
80
60
40
20
0
0
0
0.001
0.001
0.001
Ultrasonic Mode
DEM Mode
Ultrasonic Mode
DEM Mode
DEM Mode
Ultrasonic Mode
PWM Mode
PWM Mode
PWM Mode
0.01
0.01
0.01
Load Current (A)
Load Current (A)
Load Current (A)
0.1
0.1
0.1
V
TONSEL = GND,
EN = FLOATING,
V
ENTRIP2 = GND
V
TONSEL = GND,
EN = FLOATING,
ENTRIP1 = GND,
V
V
TONSEL = GND,
EN = FLOATING,
V
ENTRIP2 = GND
IN
ENTRIP1
IN
ENTRIP2
IN
ENTRIP1
1
1
1
= 8V,
= 12V,
= 20V,
= 1.5V,
= 1.5V
= 1.5V,
10
10
10
VOUT2 Switching Frequency vs. Load Current
VOUT1 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
280
260
240
220
200
180
160
140
120
100
280
260
240
220
200
180
160
140
120
100
220
200
180
160
140
120
100
80
60
40
20
80
60
40
20
80
60
40
20
0
0.001
0
0
0.001
0.001
Ultrasonic Mode
DEM Mode
Ultrasonic Mode
DEM Mode
Ultrasonic Mode
DEM Mode
PWM Mode
PWM Mode
PWM Mode
0.01
0.01
0.01
Load Current (A)
Load Current (A)
Load Current (A)
DS8205L/M-05 June 2011
0.1
0.1
0.1
V
TONSEL = GND,
EN = FLOATING,
V
ENTRIP2 = GND
V
TONSEL = GND,
EN = FLOATING,
ENTRIP1 = GND,
V
V
TONSEL = GND,
EN = FLOATING,
ENTRIP1 = GND,
V
IN
ENTRIP1
IN
ENTRIP2
IN
ENTRIP2
1
1
1
= 12V,
= 8V,
= 20V,
= 1.5V,
= 1.5V
= 1.5V
10
10
10