RT9261 RICHTEK [Richtek Technology Corporation], RT9261 Datasheet - Page 9

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

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