ADP3302 Ver la hoja de datos (PDF) - Analog Devices
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ADP3302 Datasheet PDF : 8 Pages
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ADP3302–Typical Performance Characteristics
3.31
3.31
3.305
3.3
3.3kΩ, 0.47µF LOAD
3.29
3.31
3.3
33Ω, 0.47µF LOAD
3.29
7.5
VIN
7
0 40 80 120 160 200 240 280 320 360 400
TIME – µs
3.3
3.3kΩ, 10µF LOAD
3.29
3.31
3.3
33Ω, 10µF LOAD
3.29
7.5
VIN
7
0 40 80 120 160 200 240 280 320 360 400
TIME – µs
3.3
3.295
5.002
5
4.998
100
0
0
VOUT1
CL = 0.47µF
VOUT2
I (VOUT1) 100mA
200 400
600 800 1000
TIME – µs
OBSOLETE Figure11. LineTransientResponse—
(0.47 µF Load) on ADP3302AR4
Figure 12. Line Transient Response
(10 µF Load) on ADP3302AR4
3.302
3.3
VOUT1
3.298
5.03
CL = 10µF
5.01
5
VOUT2
4.99
4.97
100
0
0
I (VOUT2) 100mA
200 400 600 800 1000
3.5
3.3V
0
400
300
200
100
0
0
1
2
3
4
5
Figure 13. Load Transient on
VOUT1 and Crosstalk of VOUT2 on
ADP3302AR4 for 1 mA to 100 mA
Pulse
5
4
CL = 0.47µF
RL = 33Ω
3
3.3V
2
CL = 4.7µF
1
0
5
0
3V
0 20 40 60 80 100 120 140 160 180 200
TIME – µs
TIME – sec
TIME – µs
Figure 14. Load Transient on
VOUT2 and Crosstalk on VOUT1 on
ADP3302AR4 for 1 mA to 100 mA
Pulse
Figure 15. Short Circuit Current
Figure 16. Turn On ADP3302AR3
4
C = 0.47µF
R = 33Ω ON 3.3V OUTPUT
3
2
VOUT
1
0
5
VSD
0
0 5 10 15 20 25 30 35 40 45 50
TIME – µs
Figure 17. Turn Off on ADP3302AR3
0
a. 0.47µF @ NO LOAD
–10 b. 0.47µF @ 33Ω
c. 10µF @ NO LOAD
–20 d. 10µF @ 33Ω
b
–30
–40
–50
d
–60
–70 b d
–80
c
a
–90
ac
–100
10 100
1k 10k 100k
FREQUENCY – Hz
1M 10M
Figure 18. Power Supply Ripple
Rejection on ADP3302AR3
0.8
c
a
0.6
0.47µF BYPASS
PIN 5, 8 TO PIN 3
0.4
bd
0.2 a. 0.47µF @ NO LOAD
b. 0.47µF @ 33Ω
c. 10µF @ NO LOAD
d. 10µF @ 33Ω
a
c
0
102
103
104
FREQUENCY = Hz
b
d
105
Figure 19. Output Noise Density on
ADP3302AR5
–6–
REV. 0
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