150mA MicroPower™ High Performance LDO
Electrical Characteristics
AAT3218
V
IN
= V
OUT(NOM)
+ 1V for V
OUT
options greater than 1.5V. V
IN
= 2.5 for V
OUT
≤1.5V.
I
OUT
= 1mA, C
OUT
= 2.2µF,
C
IN
= 1µF, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are T
A
= 25°C.
Symbol
V
OUT
I
OUT
V
DO
I
SC
I
Q
I
SD
ΔV
OUT
/
V
OUT
*ΔV
IN
ΔV
OUT
(line)
ΔV
OUT
(load)
t
ENDLY
V
EN(L)
V
EN(H)
I
EN
PSRR
T
SD
T
HYS
e
N
TC
Description
Output Voltage Tolerance
Output Current
Dropout Voltage
1, 2
Short-Circuit Current
Ground Current
Shutdown Current
Line Regulation
Dynamic Line Regulation
Dynamic Load Regulation
Enable Delay Time
Enable Threshold Low
Enable Threshold High
Leakage Current on Enable Pin
Power Supply Rejection Ratio
Over-Temperature Shutdown
Threshold
Over-Temperature Shutdown
Hysteresis
Output Noise
Output Voltage Temperature
Coefficient
Conditions
I
OUT
= 1mA
T
A
= 25°C
to150mA
T
A
= -40°C to 85°C
V
OUT
> 1.2V
I
OUT
= 150mA
V
OUT
< 0.4V
V
IN
= 5V, No Load, EN = V
IN
V
IN
= 5V, EN = 0V
V
IN
= V
OUT
+ 1 to 5.0V
V
IN
= V
OUT
+ 1V to V
OUT
+ 2V,
I
OUT
= 150mA, T
R
/T
F
= 2µs
I
OUT
= 1mA to 150mA, T
R
< 5µs
BYP = Open
Min
-1.5
-2.5
150
Typ
Max
1.5
2.5
Units
%
mA
mV
mA
µA
µA
%/V
mV
mV
µs
V
V
µA
dB
°C
°C
µVrms
ppm/°C
200
600
70
300
125
1
0.09
2.5
30
15
0.6
1.5
V
EN
= 5V
I
OUT
= 10mA,
C
BYP
= 10nF
1 kHz
10kHz
1MHz
67
47
45
145
12
Noise Power BW = 300Hz - 50kHz
50
22
1
1. V
DO
is defined as V
IN
- V
OUT
when V
OUT
is 98% of nominal.
2. For V
OUT
< 2.3V, V
DO
= 2.5V - V
OUT
.
4
3218.2006.04.1.8
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
