RT9261/A
Preliminary
RT9261A (2.7V)
Maximum Oscillator Frequency vs. Temp.
Output Voltage vs. Output Current
3.0
160
140
120
100
80
2.5V
2.0V
1.5V
2.5
2.0
1.5
1.0
0.5
0.0
1.0V
0.9V
60
40
RT9261A
= 2.7V
RT9261
= 2.7V
20
V
OUT
V
OUT
0
0
30
60
90
120
150
-40
-20
0
20
40
60
80
Output Current (mA)
°
Temperature ( C)
RT9261A (2.7V)
Oscillator Duty Cycle vs. Temperatrue
Efficiency vs. Output Current
100
90
80
70
60
50
80
2.5V
2.0V
70
60
50
40
30
20
10
0
0.9V
1.5V
1.0V
RT9261A
= 2.7V
RT9261
OUT
V
V
= 2.7V
OUT
0
30
60
90
120
150
-40
-20
0
20
40
60
80
°
Output Current (mA)
Temperature ( C)
RT9261A (2.7V)
Start-up/Hold-on Voltage vs. Output Current
Output Current vs. Ripple Voltage
1.6
120
100
80
60
40
20
0
1.4
1.2
2.5V
2.0V
1.5V
Vstart
1.0
0.8
Vhold
0.6
0.4
0.9V
RT9261A
RT9261A
= 2.7V
0.2
0.0
V
OUT
V
= 2.7V
OUT
0
30
60
90
120
150
0
30
60
90
120
150
Output Current (mA)
Output Current (mA)
www.richtek-ic.com.tw
DS9261/A-03 January 2002
10
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
