R1223N Datasheet, PDF (12/19 Pages) RICOH electronics devices division – PWM/VFM Step-down DC/DC Converter

100
90
80
70
60
50
40
30
20
10
0
0.1
CD104-27uH
R1223N502C(VIN=6.0V)Si3443DV
1
10
100
Output Current IOUT(mA)
1000
3) Ripple Voltage vs. Output Current
200
180
160
140
120
100
80
60
40
20
0
1
R1223N332A L=27uH
VIN4.5V
VIN8V
VIN12V
10
100
Output Current IOUT(mA)
1000
200
180
160
140
120
100
80
60
40
20
0
1
R1223N332B
L=27uH
VIN4.5V
VIN8V
VIN12V
10
100
Output Current IOUT(mA)
1000
12345
Rev. 1.11
- 12 -
100
90
80
70
60
50
40
30
20
10
0
0.1
R1223N502C(VIN=12V)
CD104-27uH
Si3443DV
1
10
100
Output Current IOUT(mA)
1000
200
180
160
140
120
100
80
60
40
20
0
1
200
180
160
140
120
100
80
60
40
20
0
1
R1223N502A ^L=27uH
VIN6V
VIN8V
VIN12V
10
100
Output Current IOUT(mA)
1000
R1223N502B
L=27uH
VIN6V
VIN8V
VIN12V
10
100
Output Current IOUT(mA)
1000