R1223N Datasheet, PDF (18/19 Pages) RICOH electronics devices division – PWM/VFM Step-down DC/DC Converter

3.4
3.3
3.2
3.1
3
2.9
2.8
2.7
2.6
2.5
2.4
0
R1223N332D
VIN=5V
L=27uH
500
0.1
0.0002 0.0004 0.0006 0.0008 0.001
Time (sec)
15) Turn-on Waveform
R1223N332A(VIN=10V,IOUT=0mA)
L=27uH
3.5
3
2.5
2
1.5
1
0.5
0
-0.5
-1
10
-1.5
-2
-2.5
-3
0
-3.5
-0.01
0
0.01
0.02
Time (sec)
R1223N332B(VIN=10V,IOUT=0mA)
L=27uH
3.5
3
2.5
2
1.5
1
0.5
0
-0.5
1
-1
0
-1.5
-2
-2.5
-3
0
-3.5
-0.01
0
0.01
0.02
Time (sec)
12345
Rev. 1.11
- 18 -
3.6
3.5
3.4
3.3
3.2
3.1
3
2.9
2.8
2.7
2.6
0
R1223N332D
VIN=5V
L=27uH
500
0.05
Time (sec)
0.1
0.1
R1223N332A(VIN=5V,IOUT=0mA)
L=27uH
3.5
3
2.5
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
-2.5
-3
0
-3.5
-0.01
0
0.01
0.02
Time (sec)
R1223N332B(VIN=5V,IOUT=0mA)
L=27uH
3.5
3
2.5
2
1.5
1
0.5
0
-0.5
-1
5
-1.5
-2
-2.5
-3
0
-3.5
-0.01
0
0.01
0.02
Time (sec)