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ADP3302 Datasheet(PDF) 6 Page - Analog Devices

Part No. ADP3302
Description  High Precision anyCAP™ Dual Low Dropout Linear Regulator
Download  8 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

ADP3302 Datasheet(HTML) 6 Page - Analog Devices

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–6–
REV. 0
ADP3302–Typical Performance Characteristics
TIME – µs
3.31
7
0
40
400
80 120 160 200 240 280 320 360
3.3
3.29
3.3
7.5
3.31
3.29
3.3k
Ω, 0.47µF LOAD
33
Ω, 0.47µF LOAD
VIN
Figure 11. Line Transient Response—
(0.47
µF Load) on ADP3302AR4
5.01
TIME – µs
3.302
0
0
1000
200
400
600
800
3.3
3.298
5
100
I (VOUT2) 100mA
4.99
5.03
4.97
VOUT1
VOUT2
CL = 10µF
Figure 14. Load Transient on
VOUT2 and Crosstalk on VOUT1 on
ADP3302AR4 for 1 mA to 100 mA
Pulse
TIME – µs
4
1
05
50
10
15
20 25
30
35 40
45
3
2
0
0
5
VOUT
VSD
C = 0.47µF
R = 33
Ω ON 3.3V OUTPUT
Figure 17. Turn Off on ADP3302AR3
5.002
5
4.998
TIME – µs
3.305
0
0
1000
200
400
600
800
3.3
3.295
100
I (VOUT1) 100mA
VOUT1
VOUT2
CL = 0.47µF
Figure 13. Load Transient on
VOUT1 and Crosstalk of VOUT2 on
ADP3302AR4 for 1 mA to 100 mA
Pulse
TIME – µs
5
0
0
20
200
40
60
80 100 120 140 160 180
4
3
1
5
2
0
3V
CL = 4.7µF
CL = 0.47µF
RL = 33Ω
3.3V
Figure 16. Turn On ADP3302AR3
FREQUENCY = Hz
0.8
0.6
0
102
103
105
104
0.4
0.2
a. 0.47µF @ NO LOAD
b. 0.47µF @ 33
c. 10µF @ NO LOAD
d. 10µF @ 33
0.47µF BYPASS
PIN 5, 8 TO PIN 3
d
b
a
c
b d
a
c
Figure 19. Output Noise Density on
ADP3302AR5
TIME – µs
3.31
7.5
0
40
400
80 120 160 200 240 280 320 360
3.3
3.29
3.3
3.31
3.29
3.3k
Ω, 10µF LOAD
33
Ω, 10µF LOAD
VIN
7
Figure 12. Line Transient Response
(10
µF Load) on ADP3302AR4
TIME – sec
3.5
0
05
12
3
4
0
300
100
400
200
3.3V
Figure 15. Short Circuit Current
FREQUENCY – Hz
0
–100
10
100
10M
1k
10k
100k
1M
–10
–60
–70
–80
–90
–20
–30
–50
–40
a. 0.47µF @ NO LOAD
b. 0.47µF @ 33
c. 10µF @ NO LOAD
d. 10µF @ 33
b d
a c
b
d
a
c
Figure 18. Power Supply Ripple
Rejection on ADP3302AR3


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