R1223N Datasheet, PDF (13/19 Pages) RICOH electronics devices division – PWM/VFM Step-down DC/DC Converter

200
180
160
140
120
100
80
60
40
20
0
1
R1223N332C ^L=27uH
VIN4.5V
VIN8V
VIN12V
10
100
Output Current IOUT(mA)
1000
4) Oscillator Frequency vs. Input Voltage
R1223N152B
L=27uH
600
500
400
300
200
100
0
0
5
10
15
Input Voltage VIN(V)
5) Output Voltage vs. Input Voltage
1.53
1.52
1.51
1.50
1.49
1.48
1.47
0
R1223N152B
L=27uH
5
10
15
Input Voltage VIN(V)
200
180
160
140
120
100
80
60
40
20
0
1
600
500
400
300
200
100
0
0
1.53
1.52
1.51
1.50
1.49
1.48
1.47
0
Rev. 1.11
- 13 -
R1223N502C _L=27uH
VIN6V
VIN8V
VIN12V
10
100
Output Current IOUT(mA)
1000
R1223N152A
L=27uH
5
10
15
Input Voltage VIN(V)
R1223N152A
L=27uH
5
10
15
Input Voltage VIN(V)
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