R1223N152A RICOH [RICOH electronics devices division], R1223N152A Datasheet - Page 10

• Manufacturer Part Number: R1223N152A
• Description: PWM/VFM Step-down DC/DC Converter
• Manufacturer: RICOH [RICOH electronics devices division]

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