R1211X Datasheet, PDF (23/33 Pages) RICOH electronics devices division – Step-up DC/DC Controller

R1211X002C
400
R1211X002D
400
300
300
200
200
100
100
0
2
3 _{Input Volt4age VIN [V]} 5
6
0
2
3
4
5
6
Input Voltage VIN [V]
6) Maximum Duty Cycle vs. Input Voltage (Topt=25°C)
R1211X002A/B
96
R1211X002C/D
96
94
94
92
92
90
90
88
88
86
86
84
84
82
82
80
2
3
4
5
6
Input Voltage VIN [V]
80
2
3
4
5
6
Input Voltage VIN [V]
7) VFB Voltage vs. Temperature
1015
R1211X002X
VIN=3.3V
1010
1005
1000
995
990
985
-50
-25
0
25
50
75
100
Temperature Topt ^(°C)
Rev. 1.10
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