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AME8821 Datasheet(PDF) 7 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) 7 Page - Analog Microelectronics

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AME, Inc.
7
AME8821
250mA Hi-PSRR, Low-Quiescent LDO
with In-Rush Current Control
For USB Application
Rev.A.01
n Electrical Specifications (contd.)
Parameter
Symbol
Min
Typ
Max
Units
1000
1100
1200
500
600
650
400
550
600
400
550
600
400
550
600
Thermal Shutdown Temerature
TSHDN
150
Temerature Hysterisis
THYS
20
Output Voltage Temperature
Coefficient
TC
30
ppm
Enable Bar High (Shutdown)
VENB(HI)
Enable High (Enabled)
VEN(HI)
Enable Bar Low (Enabled)
VENB(LO)
Enable Low (Shutdown)
VEN(LO)
Enable / Enable Bar Pin
Current (Enabled)
IEN / IENB
0.1
1
µA
Shutdown Current
ISHDN
1
2
µA
20
200
450
Thermal shutdown increasing
COUT = 4.7
µF,
C(SR) = 0.47
µF
TA = 25
oC
mV
TA = 25
oC
TJ = -40
oC to 125oC
VDROP
TJ = -40
oC to 125oC
TA = 25
oC
TJ = -40
oC to 125oC
TA = 25
oC
TJ = -40
oC to 125oC
TA = 25
oC
Dropout Voltage @ VOUT =
VOUT(nom) - 2%VOUT(nom)
VOUT(nom) = 2.5V
IOUT = 250mA
VOUT(nom) = 2.85V
IOUT = 250mA
VOUT(nom) = 3V
IOUT = 250mA
VOUT(nom) = 3.3V
IOUT = 250mA
VOUT(nom) = 1.8V
IOUT = 250mA
Power Supply Ripple
Rejection
PSRR
Output Voltage Noise
eN
Test Condition
oC
100
mS
V
µVRMS
dB
Start up Time
TSTR
VOUT = 3.3V
RLOAD = 22
Ω
COUT = 10
µF
C(SR) = 0.01
µF
C(SR) = 0.1
µF
C(SR) = 0.22
µF
TA = 25
oC
ENB = VIN, EN = 0, VIN = 2.5V to 5.5V
VOUT = 3.3V, f = 1KHz,
IOUT = 100mA
COUT = 4.7
µF
C(SR) = 0.01
µF
ENB = 0, EN = VIN, VIN = 2.5V to 5.5V
TA = 25
oC
BW = 200Hz to 100KHz
IOUT = 250mA
TJ = -40
oC to 125oC
TA = 25
oC
VIN
0
0.3
65
VIN = 2.5V to 5.5V
1.4



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