n TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
L=27uH
R1223N332H
L=27uH
R1223N152H
1.530
1.520
1.510
1.500
1.490
1.480
1.470
3.400
3.380
3.360
3.340
3.320
3.300
3.280
3.260
3.240
3.220
3.200
12V
8V
4.5V
13.2V
8V
5V
2.3V
1E-05 0.0001 0.001 0.01
0.1
1
1E-05 0.0001 0.001 0.01
0.1
1
Output Current IOUT(A)
Output Current IOUT(A)
2) Efficiency vs. Output Current
CD104-27uH
Si3443DV
CD104-27uH
R1223N332A(VIN=12V)
Si3443DV
R1223N332A(VIN=4.5V)
100
90
80
70
60
50
40
30
20
10
0
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current IOUT(mA)
Output Current IOUT(mA)
CD104-27uH
Si3443DV
CD104-27uH
Si3443DV
R1223N332B(VIN=4.5V)
R1223N332B(VIN=12V)
100
100
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
1000
0.1
1
10
100
1000
Output Current IOUT(mA)
Output Current IOUT(mA)
12345
Rev. 1.11
- 10 -
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
