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AME8821 Datasheet(PDF) 9 Page - Analog Microelectronics

Part # AME8821
Description  250mA Hi-PSRR, Low-Quiescent LDO with In-Rush Current Control For USB Application
PDF  15 Pages
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Manufacturer  AME [Analog Microelectronics]
Direct Link  http://www.ame.com.tw/
Logo AME - Analog Microelectronics

AME8821 Datasheet(HTML) 9 Page - Analog Microelectronics

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AME, Inc.
9
AME8821
250mA Hi-PSRR, Low-Quiescent LDO
with In-Rush Current Control
For USB Application
Rev.A.01
Dropout Voltage vs. Temperature
Output Voltage vs Load Current
Quiescent Current vs Temperature
Output Spectral Noise Density vs. Frequency
Output Impedance vs. Frequency
Power Supply Ripple Rejection Ratio
0
50
100
150
200
250
300
350
400
-40
-25
-10
5
20
35
50
65
80
95
110
125
Temperature (oC)
V
IN = 4.3V
I
OUT = 250mA
0
100
200
300
400
100
1000
10000
100000
Frequency (Hz)
I
OUT = 250mA
I
OUT =1mA
V
IN=4.3V
C
OUT=4.7µF
C
(SR)=0.47µF
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
10
100
1000
10000
100000
1000000
Frequency (Hz)
I
OUT = 50mA
V
IN = 4.3V
C
OUT = 4.7µF
I
OUT = 250mA
0
5
10
15
20
25
30
-40
-25
-10
5
20
35
50
65
80
95
110
125
V
IN = 4.3V
I
OUT = 1mA
I
OUT = 250mA
Temperature (oC)
3.260
3.265
3.270
3.275
3.280
3.285
3.290
3.295
3.300
3.305
3.310
0
15 30 45 60 75 90 105 120135150165 180195 210225 240
Load Current (mA)
V
IN = 4.3V
T
A = 25
oC
0
10
20
30
40
50
60
70
80
90
100
10
100
1000
10000
100000
1000000
Frequency (Hz)
I
OUT = 250mA
I
OUT = 1mA
V
IN = 4.3V
V
OUT = 3.3V
C
OUT = 4.7µF
C
(SR) = 0.47µF



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