AME
AME8822
n
Electrical Specifications
V
OUT(nom)
> 2.0V, V
IN
=V
OUT(nom)
+0.5V; V
OUT
≦
2V, V
IN
=2.5V, V
EN
=V
IN
, T
J
= -40 to 125
O
C,C
IN
=C
OUT
=1mF,
unless otherwise noted.
Parameter
Input Voltage
Output Voltage Accuracy
Symbol
V
IN
V
OUT(nom)
High PSRR, 250mA CMOS LDO
Test Condition
o
Min
Note1
Typ
Max
5.5
1.5
3
Units
V
%
I
OUT
=1mA
I
OUT
=1mA
I
OUT
=250mA
V
OUT
=V
OUT(nom)
-2%V
OUT(nom)
I
OUT
=250mA
V
OUT
=0.8xV
OUT(nom)
V
OUT
=0V V
OUT
<=2V, V
IN
=3.5V
V
IN
=5V, 1mA<I
OUT
<250mA
I
OUT
=1mA, V
OUT
>2.0V
V
IN
=V
OUT
+0.5V to V
IN
=5.5V
I
OUT
=1mA, V
OUT
<=2.0V
V
IN
=2.5V to V
IN
=5.5V
T
A
=25 C
T
J
=-40 to +125 C
V
OUT
>2.0V
o
-1.5
-3
300
Dropout Voltage
(See Note 1)
Current Limit
Short Circuit Limit
Quiescent Current
V
DROPOUT
500
mV
V
OUT
<=2.0V, V
DROPOUT
=2.5V-V
OUT
T
A
=25
o
C
T
A
=25
o
C
T
A
=25
o
C
T
A
=25
o
C
T
J
=-40 to +125
o
C
T
A
=25
o
C
T
J
=-40 to +125
o
C
V
OUT
>2.0V
-0.25
-0.4
-0.4
-0.6
-0.02
0.2
350
200
30
0.1
45
0.25
0.4
0.4
0.6
0.0025 0.02
%/mA
%/V
I
LIM
I
SC
I
Q
500
mA
µ
A
Line Regulation
(See Note 2)
REG
LINE
Load Regulation
(See Note 3)
REG
LOAD
I
OUT
= 1 to 250mA
V
IN
=V
OUT
+0.5V
V
OUT
<=2.0V
V
IN
=2.5V
-0.04
0.004
160
40
30
0.04
o
o
Over Temperature Shutdown
Over Temperature Hysterisis
V
OUT
Temperature Coefficient
Power Supply Ripple Rejection
OTS
OTH
TC
PSRR
I
OUT
=0mA
I
OUT
=0mA
V
OUT
=3.3V, I
OUT
=100mA, C
OUT
=10
µ
F,
V
IN
=V
OUT
+1V, f=1kHz
C
C
o
ppm/ C
dB
65
Note1: If V
OUT(nom)
> 2.0V, V
IN(min)
=V
OUT(nom)
+V
DROPOUT
. If V
OUT(nom)
<= 2.0V, V
IN(min)
= 2.5V.
∆
Vout
×
100%
∆
Vin
Note2: Line Regulation =
Vout
∆
Vout
×
100%
Vout
Note3: Load Regulation =
∆
I
(
mA
)
8
Rev.F.04
AME [ ANALOG MICROELECTRONICS ]
