AME, Inc.
AME8822
n Electrical Specifications (Contd.)
High PSRR, 250mA CMOS LDO
VOUT(nom) > 2.0V, VIN=VOUT(nom)+0.5V; VOUT 2V, V =2.5V, V =V , T = -40 to 125OC,C =COUT=1mF,
£
IN
EN
IN
J
IN
unless otherwise noted.
Test Condition
Parameter
Symbol
Min
Note1
-1.5
Typ
Max Units
Input Voltage
VIN
5.5
1.5
3
V
IOUT=1mA
IOUT=1mA
IOUT=250mA
TA=25oC
Output Voltage Accuracy
VOUT(nom)
%
TJ=-40 to 125oC -3
VOUT>2.0V
300
500
Dropout Voltage
(See Note 1)
VDROPOUT VOUT=VOUT(nom) -2%VOUT(nom)
IOUT=250mA
mV
VOUT<=2.0V, VDROPOUT=2.5V-VOUT
Current Limit
I
VOUT=0.8xVOUT(nom)
VOUT=0V
TA=25oC
TA=25oC
TA=25oC
TA=25oC
350
200
30
500
LIM
mA
Short Circuit Limit
Quiescent Current
ISC
IQ
VIN=5V, 1mA<IOUT<250mA
45
0.25
0.4
0.4
0.6
mA
IOUT=1mA, VOUT>2.0V
-0.25
0.1
VIN=VOUT +0.5V to VIN=5.5V TJ=-40 to 125oC -0.4
Line Regulation
(See Note 2)
REGLINE
%/V
IOUT=1mA, VOUT<=2.0V
TA=25oC
TJ=-40 to 125oC -0.6
-0.4
0.2
VIN=2.5V to V =5.5V
IN
VOUT>2.0V
-0.02 0.0025 0.02
-0.04 0.004 0.04
VIN=VOUT +0.5V
VOUT<=2.0V
VIN=2.5V
Load Regulation
(See Note 3)
REGLOAD
IOUT = 1 to 250mA
%/mA
oC
oC
Over Temperature Shutdown
Over Temperature Hysterisis
VOUT Temperature Coefficient
OTS
OTH
TC
IOUT=0mA
IOUT=0mA
160
40
ppm/oC
30
VOUT=3.3V, IOUT=100mA, COUT=10mF,
Power Supply Ripple Rejection PSRR
65
dB
VIN=VOUT+1V, f=1kHz
Note1: If VOUT(nom) > 2.0V, VIN(min)=VOUT(nom)+VDROPOUT . If VOUT(nom) <= 2.0V, VIN(min) = 2.5V.
DVout
´ 100%
DVin
Note2: Line Regulation =
Vout
DVout
´ 100%
Vout
Note3: Load Regulation =
8
DI(mA)
Rev.D.05
AME [ ANALOG MICROELECTRONICS ]
