R1215D002F RICOH [RICOH electronics devices division], R1215D002F Datasheet - Page 18

• Manufacturer Part Number: R1215D002F
• Description: STEP-UP DC/DC CONTOLLER
• Manufacturer: RICOH [RICOH electronics devices division]

18
R1215D
8) DELAY Pin Charge Current vs. Temperature
10) DELAY Pin Detector Threshold vs. Temperature
12) Maximum Duty Cycle vs. DTC Pin Voltage (Topt=25°C)
1.02
1.01
1.00
0.99
0.98
0.97
0.96
100
6.5
6.0
5.5
5.0
4.5
80
60
40
20
0
-40
-40
300
-25
-25
400
DTC Pin Voltage V
500
Temperature Topt(°C)
Temperature Topt(°C)
V
R1215D002A/E
IN
R1215D002x
0
R1215D002x
0
=2.5V,Frequency=700kHz
600
700 800
25
25
DTC
50
50
900 1000
(mV)
V
V
IN
IN
=2.5V
=2.5V
75
75
1100
85
85
9) DELAY Pin Discharge Current vs. Temperature
11) V
400
350
300
250
200
150
100
100
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
REFOUT
50
80
60
40
20
0
0
0
-40
300
0
-25
400
Voltage vs. V
DTC Pin Voltage V
10
500
Temperature Topt(°C)
V
V
R1215D002B/F
REFOUT
IN
R1215D002x
0
R1215D002x
=2.5V,Frequency=1.4MHz
600
20
Current(mA)
700 800
25
REFOUT
30
DTC
50
900 1000
(mV)
Current
V
V
40
IN
IN
=1.8V
=2.5V
75
1100
85
50