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ADP3801 датащи(PDF) 6 Page - Analog Devices

номер детали ADP3801
подробное описание детали  High Frequency Switch Mode Dual Li-Ion Battery Chargers
PDF  20 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

ADP3801 датащи(HTML) 6 Page - Analog Devices

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ADP3801/ADP3802
–6–
REV. 0
LOAD CURRENT – mA
01
2
3
4
6
7
58
TA = +25 C
0.1
910
0.2
0.3
0.4
Figure 11. LDO Dropout Voltage vs.
Load Current
VCOMP – Volts
0
0.5
2.0
2.5
3.0
0
20
40
60
80
3.5
VCC = 10V
TA = +25 C
1.5
1.0
100
Figure 14. Duty Cycle vs. COMP Pin
Voltage
TEMPERATURE – C
–40
–20
40
60
80
3.6
3.7
100
VCC = 10V
20
0
3.8
3.5
3.9
Figure 17. DRV Output Low Voltage
with VCC = 10 V vs. Temperature
FREQUENCY – Hz
–100
1.0E+01
–80
–60
–40
–20
0
1.0E+02 1.0E+03 1.0E+04 1.0E+05 1.0E+06
VCC = 10V
TA = +25 C
CLDO = 1 F
Figure 12. LDO PSRR vs. Frequency
1
TIME – ns
2.00V
12
8
6
4
2
0
9.40V
CH1
M 250ns
VCC = 10V
CL = 1nF
TA = +25 C
250ns/DIV
CH1
10
Figure 15. DRV Rise and Fall Times
SUPPLY VOLTAGE – Volts
48
16
4.0
4.5
20
TA = +85 C
12
5.0
3.5
5.5
TA = +25 C
TA = –40 C
NOT SWITCHING
SD = ON
Figure 18. Power Supply Current vs.
Supply Voltage @ Three Temperatures
TEMPERATURE – C
–40
–20
0
20
40
80
100
60
VCC = 10V
ADP3801
175
185
195
215
205
Figure 13. Oscillator Frequency vs.
Temperature
–40
–20
40
60
80
0
0.2
100
VCC = 10V
20
0
0.4
0.3
TEMPERATURE – C
Figure 16. DRV High Saturation Volt-
age vs. Temperature
CAPACITIVE LOAD – nF
0
0.5
1.5
9
11
2.0
1.0
13
7
15
5
2.5
ADP3801
ADP3802
VCC = 10V
TA = +25 C
50% DUTY CYCLE
Figure 19. Power Supply Current vs.
Capacitive Load on DRV



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