R1280D002X Datasheet, PDF (19/26 Pages) RICOH electronics devices division – 2CH PWM DC/DC Controller

12) Duty Cycle vs. DTC Voltage
VIN=3.3V, EXT=1000pF
R1280D002A
100
100
R1280D002C
VIN=3.3V, EXT=1000pF
80
80
60
60
40
40
20
20
0
0 0.2 0.4 0.6 0.8 1
VDTC(V)
13) Output Sink Current vs. Temperature
R1280D002A/C
130
1.2 1.4
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4
VDTC(V)
14) Output Source Current vs. Temperature
VIN=3.3V
VIN=3.3V
R1280D002A/C
0.0
-0.5
120
-1.0
110
-1.5
-2.0
100
-2.5
90
-60 -40 -20 0 20 40 60 80 100
Temperature Topt ^(°C)
-3.0
-60 -40 -20 0 20 40 60
Temperature Topt(°C)
15) CE "H" Input Voltage vs. Temperature
16) CE "L" Input Voltage vs. Temperature
VIN=5.5V
1.25
R1280D002B
1.25
R1280D002B
80 100
VIN=2.5V
1.00
1
0.75
0.75
0.50
0.5
0.25
-50
0
50
Temperature Topt ^(°C)
0.25
100
-50
0
Temperature
Top5⁽t0^°C)
100
Rev. 1.10
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