rt9261b ETC-unknow, rt9261b Datasheet - Page 5

• Manufacturer Part Number: rt9261b
• Description: Step Dc/dc Converter
• Manufacturer: ETC-unknow

Typical Operating Charateristics
DS9261B-03 September 2001
Start-up/Hold-on Voltage vs. Output Current
300
250
200
150
100
2.5
1.5
0.5
50
25
20
15
10
2
1
0
0
5
0
0
0
0
V
Output Current vs. Ripple Voltage
start
Output Current vs. Ripple Voltage
V
hold
1.5V
2.0V
30
1.0V
1.0V
50
50
Output Current (mA)
Output Current (mA)
60
Output Current (mA)
1.5V
2.5V
100
100
90
120
150
150
V
C
L = 47uH
V
C
L = 47uH
V
L = 47uH
OUT
OUT
OUT
OUT
OUT
150
= 3.3V
= 170uF
3.0V
= 3.3V
= 20uF
= 3.3V
2.5V
3.0V
2.0V
200
200
Preliminary
180
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
0
0
Output Voltage vs. Output Current
Output Current vs. Ripple Voltage
Efficiency vs. output Current
1.0V
50
50
50
1.0V
1.0V
Output Current (mA)
Output Current (mA)
Output Current (mA)
1.5V
100
100
100
1.5V
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RT9261B
1.5V
150
150
150
V
C
L = 47uH
V
L = 47uH
V
L = 47uH
OUT
OUT
OUT
OUT
= 3.3V
= 3.3V
= 3.3V
= 68uF
3.0V
2.5V
2.0V
2.5V
2.5V
2.0V
3.0V
2.0V
3.0V
200
200
200
5