RN5RK 1A/ 1B/ 2A
××
××
××
RN5RK501A
RN5RK501A
L=100µH
L=220µH
100
90
80
70
60
50
40
100
90
80
70
60
50
40
4.0V
4.0V
3.0V
2.0V
1.5V
3.0V
V
IN=0.9V
1.5V
V
IN=0.9V
2.0V
100
0
50
100
150
200
0
50
150
200
Output Current IOUT(mA)
Output Current IOUT(mA)
RN5RK501B
RN5RK501B
L=100µH
L=220µH
100
90
80
70
60
50
40
100
90
80
70
60
50
40
4.0V
2.0V
2.0V
IN=1.5V
4.0V
3.0V
2.5V
2.5V
3.0V
V
V
IN=1.5V
0
50
100
150
200
0
50
100
150
200
Output Current IOUT(mA)
Output Current IOUT(mA)
3) Ripple Voltage vs. Output Current (Topt=25°C)
RN5RK301A
RN5RK301A
L=100 µH
L=220µH
140
160
140
120
100
80
1.5V
120
100
1.3V
2.0V
80
2.0V
1.5V
1.3V
60
60
40
40
1.0V
1.0V
IN=0.9V
20
20
V
IN=0.9V
V
0
0
0
20 40 60 80 100 120 140 160
Output Current IOUT(mA)
0
20 40 60 80 100 120 140 160
Output Current IOUT(mA)
13
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
