AME
AME8818
n
Electrical Specifications
V
IN
= V
OUT(NOM)
+ 1V or V
IN
= 2.5V, if V
OUT(NOM)
<= 2.0V, I
OUT
= 1mA, V
EN
= V
IN
and C
OUT
= C
IN
= 1µF, Typical values at
T
A
= 25
o
C, unless otherwise noted.
Low Dropout
300mA CMOS Regulator
Parameter
Input Voltage
Output Voltage Accuracy
Output Voltage Range
Output Current
Quiescent Current
Symbol
V
IN
V
OUT,ACC
V
OUT
I
OUT
I
Q
Test Conditions
Min
(Note1)
Typ Max
Units
5.5
2
4.5
V
%
V
mA
70
(Note2)
370
280
230
500
mV
400
330
0.4
0.2
0.1
0.002
0.004 %/mA
0.01
-2
1.2
300
V
I N
= 5.5V, I
OUT
= 1mA
V
OUT
≦
2.0V
100
µA
Dropout Voltage
V
DROP
I
OUT
= 300mA
2.0V
<
V
OUT
≦
2.5V
2.6V
≦
V
OUT
≦
3.0V
V
OUT
≧
3.1V
Output Voltage Line
Regulation
[(∆V
OUT
/
∆V
I N
)x100%] /
V
OUT
Output Voltage Load
Regulation
[(∆V
OUT
/ V
OUT
) x 100%]
/∆I
OUT
Output Current Limit
Shutdown Current
Power Supply Ripple
Rejection
Enable High (enabled)
Enable Low (shutdown)
Enable Pin Current (enabled)
Thermal Shutdown
Temperature
V
IN(min)
≦V
I N
≦V
IN(max)
REG
LINE
V
IN(min)
≦
V
I N
≦
V
IN(max)
V
OUT
+0.3V≦V
I N
≦V
IN(max)
1.2V≦V
OUT
<2.5V
2.5
≦
V
OUT
<3.3V
3.3V≦V
OUT
<4.5V
V
OUT
≧3.3V
-0.4
-0.2
-0.1
-0.003
-0.005
-0.015
0.1
0.03
0.01
%/V
REG
LOAD
1mA
≦
I
OUT
≦
300mA
2.5V
≦
V
OUT
<3.3V
1.2V≦V
OUT
<2.5V
I
LIM
I
SHDN
PSRR
V
EN(HI)
V
EN(LO)
I
EN
T
SHDN
T
R S
V
OUT
= 0.8 x V
OUT(NOM)
V
EN
= 0V, V
IN(min)
≦
V
I N
≦
5.5V
f = 1KHz, I
OUT
= 100mA, Cout=1µF(Note3)
V
IN(min)
≦
V
I N
≦
5.5V
V
IN(min)
≦
V
I N
≦
5.5V
V
EN
= V
I N
Shutdown, temperature increasing
Restore, temperature decreasing
330
500
5
60
10
mA
µA
dB
V
I N
0.4
V
V
µA
O
1.4
0
0.1
150
130
1
C
Note 1: V
IN(MIN)
=V
OUT
+V
DROP
or V
IN(min)
=2.5V, whichever is greater.
Note 2: For V
OUT
below 2.0V, Dropout Voltage is the input to output differential.
Note 3: For V
OUT
below 1.5V, the minimun input. Voltage is 3.0V.
Rev.A.01
7
AMETHERM [ AMETHERM CIRCUIT PROTECTION THERMISTORS ]
