R1221N RICOH electronics devices division, R1221N Datasheet - Page 15

• Manufacturer Part Number: R1221N
• Description: Step-down DC/DC Converter with Voltage Detector
• Manufacturer: RICOH electronics devices division

6) Output Voltage vs. Temperature
7) Detector Threshold vs. Temperature
Rev. 1.11
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.31
3.30
3.29
3.28
3.27
2.01
2.00
1.99
1.98
1.97
-50
0
-50
R1221N25XA(VD=2.0V)
R1221N33AB
R1221N33AH
Input Voltage
Temperature Topt
Temperature Topt
5
0
0
V
IN
50
10
50
(V)
L=27uH
(°C)
V
(°C)
L=27uH
IN
=6V
100
100
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15
1.51
1.50
1.49
1.48
1.47
3.36
3.34
3.32
3.30
3.28
3.26
3.24
1.22
1.21
1.20
1.19
1.18
-50
0
-50
R1221N15XB(VD=1.2V)
R1221N33AA
R1221N15XB
Input Voltage V
Temperature Topt
0
Temperature Topt
5
0
12345
50
IN
10
L=27uH
50
(V)
(°C)
(°C)
L=27uH
V
IN
=6V
100
100
15