R1218X Ricoh Corporation, R1218X Datasheet - Page 13

• Manufacturer Part Number: R1218X
• Description: Step Up DC/DC Converter
• Manufacturer: Ricoh Corporation

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DataSheet
4
10. Oscillator Frequency vs. Temperature
12. OVP Detector Threshold/Released Voltage vs. Temperature
14. LX Current Limit vs. Temperature
U
.com
1000
20.5
19.5
18.5
17.5
16.5
1400
1350
1300
1250
1200
1150
1100
1050
1000
900
800
700
600
500
400
300
20
19
18
17
-50
-50
-50
-25
-25
-25
R1218x041A
Temperature Topt ( C)
Temperature Topt (°C)
Temperature Topt ( C)
R1218x041A
0
0
0
R1218x041A
25
25
25
OVP Detector
Threshold
OVP Released
Voltage
50
50
50
Vin=3.6V
Vin=3.6V
75
75
Vin=3.6V
75
100
100
100
13. Supply Current vs. Temperature
11. Maximum duty cycle vs. Temperature
99
97
95
93
91
89
87
85
360
320
280
240
200
160
120
80
40
-50
0
-50
-25
-25
Temperature Topt ( C)
R1218x041A
Temperature Topt ( C)
R1218x041A
0
0
25
25
50
50
Vin=3.6V
Vin=3.6V
75
75
R1218X
100
100
13