LX8211
TM
®
150mA CMOS Low Dropout Regulator
P
RODUCTION
D
ATA
S
HEET
RECOMMENDED OPERATING CONDITIONS
Parameter
Input Operating Voltage Range
(Note 1)
Enable Input Voltage Range
Continuous Output Current Range
Input Capacitor (V
IN
to GND)
Output Capacitor (V
OUT
to GND)
Symbol
V
IN
ENABLE
WWW .
Microsemi
.C
OM
Min
2.5
0
.1
LX8211-xx
Typ
Max
6
V
IN
+ .3V
Units
V
mA
I
OUT
C
IN
C
OUT
150
1.0*
2.2*
1.0
1.0
µF
µF
Note 1: The minimum V
IN
has to meet two conditions V
IN
>2.5V and V
IN
>V
OUT
+V
DROPOUT
.
* Size your output capacitor to meet the transient loading requirement. If you have a very dynamic load, a lower ESR and larger value capacitor will
improve the response to these load steps.
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C
≤
T
A
≤
125°C except where
otherwise noted. Test conditions: V
IN
= V
OUT
+ 0.5V; I
OUT
=10mA; C
IN
= 1uF; C
OUT
= 1uF; T
J
=T
A
using low duty cycle pulse testing
methods.
Parameter
Symbol
T
J
= 25°C
I
OUT
= 0mA to 150mA, V
IN
= V
OUT
+ .5V to 6V
T
J
= 25°C
I
OUT
= 0mA to 150mA, V
IN
= 2.85V to 6V
V
IN
: V
OUT
+ 0.5 TO 6 V
OLTS
, I
OUT
=0.1mA
T
J
= 25°C, I
OUT
: 0.5 TO 150mA
I
OUT
: 0.5 TO 150mA
I
LOAD
= 1mA,
Δ
VO
= -1%
Dropout Voltage
(
V
IN
−
V
O
)
(Note2)
V
DO
I
LOAD
= 50mA,
Δ
VO
= -1%
I
LOAD
= 100mA,
Δ
VO
= -1%
I
LOAD
= 150mA,
Δ
VO
= -1%
Ground Pin Current
Adjust Input Bias Current
Enable Pin Current
Enable Threshold
Short Circuit Current Limit
Power Supply Rejection Ratio
Output Noise
Thermal Shutdown Temperature
I
GND
I
STBY
I
ADJ
I
EN
V
IH
V
IL
I
OUT
SC
PSRR
Test Conditions
Min
-1
-2.5
LX8211-XX
Typ
Max
1
2.5
1.175
0.04
0.5
1.187
1.20
0.15
1.0
1.5
0.05
0.1
0.175
0.25
140
0.175
0.3
0.4
220
1
100
100
2.0
0.4
Units
%V
NOM
%V
NOM
V
%/V
%V
NOM
%V
NOM
V
V
V
V
µA
µA
nA
nA
V
V
mA
dB
µV
°C
Output Voltage (-25, -27, -28, -30, -33)
Adjust Reference Voltage (-00)
Line Regulation
⎜
V
O
V
ADJ
V
RV
V
RI
1.163
1.14
⎛ Δ
V
O
⎞
Δ
V
IN
⎟
⎝
⎠
⎛ Δ
V
O
⎞
Δ
I
O
⎟
⎝
⎠
Load Regulation
⎜
Enable = Hi
Enable = Low
V
ADJ
= 1.175V
V
EN
= V
IN
E
LECTRICALS
E
LECTRICALS
V
OUT
= 0V
T
J
= 25°C, f = 120Hz
T
J
= 25°C, C
OUT
= 10uF,C
BYPASS
= 470 pF
400
50
50
170
e
N
T
SD
Note 2: Dropout voltage is defined as the input to output differential at which the output voltage drops 1% below the nominal value.
Copyright
©
2000
Rev. 1.0d, 2007-08-29
Microsemi
Analog Mixed Signal Group
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
MICROSEMI [ MICROSEMI CORPORATION ]
