r1230d RICOH Co.,Ltd., r1230d Datasheet - Page 12

• Manufacturer Part Number: r1230d
• Description: Pwm/vfm Step-down Dc/dc Converter With Synchronous Rectifier
• Manufacturer: RICOH Co.,Ltd.

Rev. 1.12
2) Efficiency vs. Output Current
100
2.55
2.45
1.88
1.86
1.84
1.82
1.78
1.76
1.74
1.72
100
90
80
70
60
50
40
30
20
10
2.6
2.5
2.4
1.9
1.8
1.7
90
80
70
60
50
40
30
20
10
0
0
1
1
1
1
10
10
10
10
Output Current I
Output Current I
Output Current I
Output Current I
OUT
OUT
OUT
OUT
- 12 -
[mA]
[mA]
[mA]
[mA]
100
100
100
100
1000
1000
1000
1000
R1230D181B
R1230D181B
R1230D181A
R1230D251B
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM
Vin=3.3V PWM
Vin=3.3V VFM
Vin=5.0V PWM
Vin=5.0V VFM