Preliminary
RT9261/A
Typical Operating Charateristics
RT9261(2.7V)
RT9261(2.7V)
Start-up/Hold-on Voltage vs. Output Current
Output Current vs. Ripple Voltage
1.4
120
100
80
60
40
20
0
1.2
Vstart
1.0
2.0V
0.8
Vhold
2.5V
0.6
0.4
1.5V
0.9V
0.2
0.0
RT9261
OUT
RT9261
OUT
V
= 2.7V
V
= 2.7V
0
0
0
10
20
30
40
50
0
20
40
60
80
100
Output Current (mA)
Output Current (mA)
RT9261(2.7V)
Output Voltage vs. Temperature
Output Voltage vs. Output Current
2.90
3.0
2.5
2.0
1.5
1.0
0.5
0.0
2.5V
2.0V
1.0V
1.5V
2.85
2.80
2.75
2.70
2.65
2.60
0.9V
RT9261
RT9261
= 2.7V
V
= 2.7V
V
OUT
OUT
-40
-20
0
20
40
60
80
20
40
60
80
100
Temperature ( C)
Output Current (mA)
°
RT9261(2.7V)
Supply Current vs. Temperature
Efficiency vs. Output Current
70
90
80
70
60
50
40
30
20
10
0
RT9261
V
= 2.7V
OUT
60
50
40
30
20
10
0
2.0V
2.5V
1.5V
0.9V
1.0V
Input Current 2
RT9261
Input Current 1
V
= 2.7V
OUT
20
40
60
80
100
-40
-20
0
20
40
60
80
Output Current (mA)
Temperature ( C)
°
DS9261/A-03 January 2002
www.richtek-ic.com.tw
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
