RN5RK 1A/ 1B/ 2A
××
××
××
RN5RK501B
RN5RK501B
L=100µH
L=220µH
4.0V
6
6
5
4
3
2
1
0
4.0V
5
4
3
2
1
0
3.0V
2.5V
3.0V
2.0V
2.0V
IN=1.5V
2.5V
V
IN=1.5V
V
0
50
100
150
200
0
50
100
150
200
Output Current IOUT(mA)
Output Current IOUT(mA)
2) Efficiency vs. Output Current (Topt=25°C)
RN5RK301A
RN5RK301A
L=220µH
L=100µH
100
90
80
70
60
50
40
100
90
80
70
60
50
40
2.0V
2.0V
1.0V
1.5V
1.3V
1.5V
1.0V
IN=0.9V
VIN=0.9V
V
1.3V
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)
RN5RK301B
RN5RK301B
L=100µH
L=220µH
100
90
80
70
60
50
40
100
90
80
70
60
50
2.0V
1.5V
1.3V
IN=1.0V
1.3V
1.5V
2.0V
V
V
IN=1.0V
0
10
20
30
40
50
0
10
20
30
40
50
Output Current IOUT(mA)
Output Current IOUT(mA)
12
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
