R1230D251B-TL RICOH [RICOH electronics devices division], R1230D251B-TL Datasheet - Page 12
R1230D251B-TL
Manufacturer Part Number
R1230D251B-TL
Description
PWM/VFM Step-down DC/DC Converter with Synchronous Rectifier
Manufacturer
RICOH [RICOH electronics devices division]
Datasheet
1.R1230D251B-TL.pdf
(20 pages)
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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
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