R1212D002A RICOH [RICOH electronics devices division], R1212D002A Datasheet - Page 26

• Manufacturer Part Number: R1212D002A
• Description: STEP-UP DC/DC CONTOLLER
• Manufacturer: RICOH [RICOH electronics devices division]

26
R1212D
13) Duty Cycle vs. DTC Voltage (0% to 100%) (Topt=25°C)
14) Duty Cycle vs. Temperature
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
86
83
80
77
74
0
0
0.1
0.1
-50
0.2
0.2
-25
0.3
0.3
Temperature Topt( C)
R1212D100A
DTC Voltage V
R1212D101A
DTC Voltage V
R1212D100A
0
V
0.4
0.4
DTC
=0.75V, C
0.5
0.5
25
0.6
0.6
DTC
DTC
50
C
C
(V)
(V)
EXT
EXT
EXT
0.7 0.8
0.7 0.8
=1000pF
=1000pF
=1000pF
75
100
0.9
0.9
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
86
83
80
77
74
0
0
0.1
0.1
-50
0.2
0.2
-25
0.3
0.3
Temperature Topt( C)
DTC Voltage V
DTC Voltage V
R1212D100B
R1212D101C
R1212D100B
0
V
0.4
0.4
DTC
=0.75V, C
0.5
0.5
25
0.6
0.6
DTC
DTC
50
C
C
(V)
(V)
EXT
EXT
EXT
0.7 0.8
0.7 0.8
=1000pF
=1000pF
=1000pF
75
100
0.9
0.9