R1221N Datasheet, PDF (15/21 Pages) RICOH electronics devices division – Step-down DC/DC Converter with Voltage Detector

3.36
3.34
3.32
3.30
3.28
3.26
3.24
0
R1221N33AB
L=27uH
5
10
15
Input Voltage VIN(V)
6) Output Voltage vs. Temperature
3.31
R1221N33AH
L=27uH
3.36
3.34
3.32
3.30
3.28
3.26
3.24
0
1.51
R1221N33AA
L=27uH
5
10
15
Input Voltage VIN(V)
R1221N15XB ^L=27uH
3.30
1.50
3.29
3.28
3.27
-50
0
50
100
Temperature Topt(°C)
1.49
1.48
1.47
-50
0
50
100
Temperature Topt(°C)
7) Detector Threshold vs. Temperature
2.01
R1221N25XA(VD=2.0V) ^VIN=6V
1.22
R1221N15XB(VD=1.2V) VIN=6V
2.00
1.21
1.99
1.20
1.98
1.19
1.97
-50
Rev. 1.11
0
50
100
Temperature Topt(°C)
1.18
-50
- 15 -
0
50
100
Temperature Topt (°C)
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