R1230D Datasheet, PDF (12/20 Pages) RICOH electronics devices division – PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier

1.9
1.88
1.86
1.84
1.82
1.8
1.78
1.76
1.74
1.72
1.7
1
2.6
10
100
Output Current IOUT[mA]
2.55
2.5
2.45
2.4
1
10
100
Output Current IOUT[mA]
2) Efficiency vs. Output Current
100
90
80
70
60
50
40
30
20
10
0
1
10
100
Output Current IOUT[mA]
100
90
80
70
60
50
40
30
20
10
0
1
10
100
Output Current IOUT[mA]
R1230D181B
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
1000
R1230D251B
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
1000
R1230D181A
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
1000
R1230D181B
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
1000
Rev. 1.12
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