RT9261 RICHTEK [Richtek Technology Corporation], RT9261 Datasheet - Page 10

• Manufacturer Part Number: RT9261
• Description: VFM Step-up DC/DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

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