R1215D Datasheet, PDF (16/22 Pages) RICOH electronics devices division – STEP-UP DC/DC CONTOLLER

R1215D
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (Topt=25°C)
R1215D002E
VOUT=9V,Frequency=700kHz
9.2
9.2
1.8V
9.1
2.5V
5.5V
9.1
9.0
9.0
8.9
8.9
8.8
0
100
200
300
Output Current IOUT(mA)
2) Efficiency vs. Output Current (Topt=25°C)
R1215D002E
VOUT=9V,Frequency=700kHz
100
8.8
0
100
R1215D002F
VOUT=9V,Frequency=1.4MHz
1.8V
2.5V
5.5V
100
200
300
Output Current IOUT(mA)
R1215D002F
VOUT=9V,Frequency=1.4MHz
80
60
1.8V
2.5V
5.5V
40
0
50 100 150 200 250 300
Output Current IOUT(mA)
3) Supply Current vs. Temperature
R1215D002A/E
VIN=5.5V,Frequency=700kHz
650
600
550
500
450
400
350
-40 -25 0
25 50
Temperature Topt(°C)
75 85
16
80
60
1.8V
2.5V
5.5V
40
0
50 100 150 200 250 300
Output Current IOUT(mA)
R1215D002B/F
VIN=5.5V,Frequency=1.4MHz
900
850
800
750
700
650
600
-40 -25 0
25 50
Temperature Topt(°C)
75 85