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| AME8822 Datasheet, PDF (8/18 Pages) Analog Microelectronics – High PSRR, 250mA CMOS LDO | |||
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AME, Inc.
AME8822
High PSRR, 250mA CMOS LDO
n Electrical Specifications (Contd.)
⤠VOUT(nom) > 2.0V, VIN=VOUT(nom)+0.5V; VOUT 2V, VIN=2.5V, VEN=VIN, TJ = -40 to 125OC,CIN=COUT=1µF,
unless otherwise noted.
Parameter
Symbol
Test Condition
Min Typ Max Units
Input Voltage
Output Voltage Accuracy
VIN
VOUT(nom)
IOUT=1mA
IOUT=1mA
Note1
TA=25oC
-1.5
TJ=-40 to 125oC -3
5.5 V
1.5
%
3
Dropout Voltage
(See Note 1)
Current Limit
Short Circuit Limit
Quiescent Current
Line Regulation
(See Note 2)
IOUT=250mA
VDROPOUT VOUT=VOUT(nom) -2%VOUT(nom)
VOUT>2.0V
300 500
IOUT=250mA
VOUT<=2.0V, VDROPOUT=2.5V-VOUT
ILIM
VOUT=0.8xVOUT(nom)
TA=25oC
350 500
ISC
VOUT=0V
TA=25oC
200
IQ
VIN=5V, 1mA<IOUT<250mA
TA=25oC
30 45
IOUT=1mA, VOUT>2.0V
TA=25oC
-0.25 0.1 0.25
VIN=VOUT +0.5V to VIN=5.5V TJ=-40 to 125oC -0.4
0.4
REGLINE
IOUT=1mA, VOUT<=2.0V
TA=25oC
-0.4 0.2 0.4
VIN=2.5V to VIN=5.5V TJ=-40 to 125oC -0.6
0.6
mV
mA
µA
%/V
Load Regulation
(See Note 3)
REGLOAD
IOUT = 1 to 250mA
VOUT>2.0V
VIN=VOUT +0.5V
VOUT<=2.0V
VIN=2.5V
-0.02
-0.04
0.0025
0.004
0.02
0.04
%/mA
Over Temperature Shutdown
OTS
Over Temperature Hysterisis
OTH
VOUT Temperature Coefficient
TC
Power Supply Ripple Rejection PSRR
IOUT=0mA
IOUT=0mA
VOUT=3.3V, IOUT=100mA, COUT=10µF,
VIN=VOUT+1V, f=1kHz
160
oC
40
oC
30
ppm/oC
65
dB
Note1: If VOUT(nom) > 2.0V, VIN(min)=VOUT(nom)+VDROPOUT . If VOUT(nom) <= 2.0V, VIN(min) = 2.5V.
âVout Ã100%
Note2: Line Regulation = âVin
Vout
âVout Ã100%
Note3: Load Regulation = Vout
âI (mA)
8
Rev.D.05
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