ADP3808 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADP3808 Datasheet PDF : 16 Pages
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ADP3808
400
350
300
250
200
90
110
130
150
170
190
210
RT (kΩ)
Figure 9. Oscillator Frequency vs. RT
6
ISYS RISING
ISYS FALLING
5
4
3
2
1
0
0
0.5
1
1.5
2
2.5
3.0
VISYS (V)
Figure 10. VLIMIT vs. VISYS
3.3
VCC = 16V
3.2
3.1
3.0
SINK
2.9
SOURCE
2.8
2.7
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 11. DRVH On Resistance vs. Temperature
4.5
4 VCC = 16V
3.5
SOURCE
3
2.5
2
SINK
1.5
1
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 12. DRVL On Resistance vs. Temperature
DRVH
5V/DIV
VCC = 16V
TA = 25°C
DRVL 5V/DIV
200ns/DIV
Figure 13. Driver Waveforms
100
VCC = 19V
VBAT = 12.4V
95 TA = 25°C
90
85
80
75
70
65
60
0
0.5
1.0
1.5
2.0
2.5
3.0
CHARGE CURRENT (A)
Figure 14. Conversion Efficiency vs. Charge Current
Rev. 0 | Page 8 of 16
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