RT9261B-12CX 데이터 시트보기 (PDF) - Richtek Technology
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RT9261B-12CX Datasheet PDF : 10 Pages
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Preliminary
Typical Operating Charateristics
RT9261B
Start-up/Hold-on Voltage vs. Output Current
2.5
2
1.5
1 Vstart
Vhold
0.5
0
0
30
VOUT = 3.3V
L = 47uH
60
90
120 150 180
Output Current (mA)
Output Current vs. Ripple Voltage
300
2.5V
250
2.0V
3.0V
200
150
100
1.5V
50
0
0
1.0V
VOUT = 3.3V
COUT = 20uF
L = 47uH
50
100
150
200
Output Current (mA)
Output Current vs. Ripple Voltage
25
20
2.5V
15
3.0V
10
1.0V
5
VOUT = 3.3V
2.0V
0
1.5V
COUT = 170uF
L = 47uH
0
50
100
150
200
Output Current (mA)
Output Voltage vs. Output Current
4.0
3.5
3.0V
2.5V
3.0
1.0V
1.5V
2.0V
2.5
2.0
1.5
1.0
0.5
0.0
0
VOUT = 3.3V
L = 47uH
50
100
150
200
Output Current (mA)
Output Current vs. Ripple Voltage
90
3.0V
80
2.0V
70
60
2.5V
50
40
30
20
10
0
0
1.0V
1.5V
VOUT = 3.3V
COUT = 68uF
L = 47uH
50
100
150
200
Output Current (mA)
Efficiency vs. output Current
90
3.0V
80
2.5V
70
1.0V
2.0V
60
1.5V
50
40
30
20
10
0
0
VOUT = 3.3V
L = 47uH
50
100
150
200
Output Current (mA)
DS9261B-03 September 2001
www.richtek-ic.com.tw
5
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