R1225N Datasheet, PDF (21/31 Pages) RICOH electronics devices division – PWM/VFM step-down DC/DC Converter

R1225N502K (VIN=6.5V) CDRH127-27uH
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10 100 1000 10000
Output Current IOUT(mA)
R1225N502K (VIN=15V) CDRH127-27uH
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10 100 1000 10000
Output Current IOUT(mA)
2) Ripple Voltage vs. Output Current
R1225N182A L=10uH
70
60
VIN=3.3V
50
VIN=5.0V
40
30
20
10
0
0.1
1
10 100 1000 10000
Output Current IOUT(mA)
R1225N
R1225N502K (VIN=12V) CDRH127-27uH
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10 100 1000 10000
Output Current IOUT(mA)
R1225N182B L=10uH
70
60
VIN=3.3V
50
VIN=5.0V
40
30
20
10
0
0.1
1
10 100 1000 10000
Output Current IOUT(mA)
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