RT8206A RICHTEK [Richtek Technology Corporation], RT8206A Datasheet - Page 13

• Manufacturer Part Number: RT8206A
• Description: High-Efficiency, Main Power Supply Controllers for Notebook Computers
• Manufacturer: RICHTEK [Richtek Technology Corporation]

DS8206A/B-04 March 2011
VOUT1 Switching Frequency vs. Load Current
VOUT1 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
250
225
200
175
150
125
100
300
275
250
225
200
175
150
125
100
250
225
200
175
150
125
100
75
50
25
75
50
25
75
50
25
0
0
0
0.001
0.001
0.001
V
ENLDO = V
PWM Mode
Ultrasonic Mode
V
ENLDO = V
PWM Mode
Ultrasonic Mode
V
ENLDO = V
PWM Mode
Ultrasonic Mode
IN
IN
IN
= 25V, TON = V
= 12V, TON = V
= 7V, TON = V
0.01
0.01
0.01
IN
IN
IN
, FB1 = GND
, FB2 = GND
, FB1 = GND
Load Current (A)
Load Current (A)
Load Current (A)
CC
CC
CC
, EN2 = GND, EN1 = V
, EN2 = GND, EN1 = V
, EN2 = V
DEM Mode
0.1
0.1
0.1
DEM Mode
DEM Mode
CC
, EN1 = GND,
1
1
1
CC
CC
,
,
10
10
10
VOUT1 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
VOUT2 Switching Frequency vs. Load Current
300
275
250
225
200
175
150
125
100
250
225
200
175
150
125
100
300
275
250
225
200
175
150
125
100
75
50
25
75
50
25
75
50
25
0
0
0
0.001
0.001
0.001
V
ENLDO = V
PWM Mode
Ultrasonic Mode
V
ENLDO = V
PWM Mode
Ultrasonic Mode
V
ENLDO = V
PWM Mode
Ultrasonic Mode
IN
IN
IN
= 12V, TON = V
= 7V, TON = V
= 25V, TON = V
0.01
0.01
0.01
IN
IN
IN
, FB2 = GND
, FB2 = GND
, FB1 = GND
Load Current (A)
Load Current (A)
Load Current (A)
CC
CC
CC
, EN2 = V
, EN2 = V
, EN2 = GND, EN1 = V
RT8206A/B
DEM Mode
0.1
0.1
0.1
DEM Mode
DEM Mode
CC
CC
, EN1 = GND,
, EN1 = GND,
www.richtek.com
1
1
1
CC
,
13
10
10
10