LX8221AIDU Microsemi Corporation, LX8221AIDU Datasheet - Page 3

• Manufacturer Part Number: LX8221AIDU
• Description: Dual 150ma CMOS Low Dropout Regulator
• Manufacturer: Microsemi Corporation

Copyright © 2000
Rev. 1.0a, 2005-03-03
VOUT1
* 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.
Unless otherwise specified, the following specifications apply over the operating ambient temperature -40°C
where otherwise noted. Test conditions: V
testing methods.
Note 1: The minimum V
Input Operating Voltage Range (Note 1)
Enable Input Voltage Range
Continuous Output Current Range
Output Voltage (2.5, 2.7, 3.0, ADJ)
Adjust Reference Voltage
Line Regulation
Load Regulation
Dropout Voltage
(Note 2)
Ground Pin Current
GND
Input Capacitor (V
Output Capacitor (V
CB1
TM
Parameter
⎛
⎜
⎝
+
-
⎛
⎜
⎝
(
V
∆
IN
IN
∆
V
IN
OUT
has to meet two conditions V
to GND)
V
O
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
VREF
O
−
to GND)
∆
∆
V
V
I
O
IN
O
)
THERMAL
CONTROL
⎞
⎟
⎠
SENSOR
Parameter
⎞
⎟
⎠
LOGIC
R E C O M M E N D E D O P E R A T I N G C O N D I T I O N S
VOUT1/2
Symbol
E L E C T R I C A L C H A R A C T E R I S T I C S
I
V
V
I
V
V
STBY
GND
IN
ADJ
DO
RV
RI
IN
CURRENT
= V
> 2.5V and V
LIMIT
OUT
Linfinity Microelectronics Division
T
0mA
T
0mA
(V
T
0.5mA
I
I
I
I
EN1 = High, EN2 = High
EN1 = Low, EN2 = Low
LOAD1/2
LOAD1/2
LOAD1/2
LOAD1/2
J
J
J
+ 0.5V; I
OUT1/2
= 25°C
= 25°C
= 25°C, 0.5mA
B L O C K D I A G R A M
VIN1
IN
®
≤
≤
Microsemi
> V
I
I
≤
= 50mA, ∆
= 100mA, ∆
= 150mA, ∆
OUT1/2
OUT1/2
= 1mA, ∆
+ 0.5V)
I
OUT1/2
OUT
OUT
EN1
+ V
≤
≤
150mA, 2.85V
150mA, (V
≤
=10mA; C
DROPOUT
Test Conditions
≤
Dual 150mA CMOS Low Dropout Regulator
100mA
VO
V
VO
≤
EN2
VO
VO
IN
= -1%
I
OUT1/2
= -1%
≤
.
= -1%
= -1%
6V, I
VIN2
OUT1/2
≤
IN
OUT1/2
150mA
VIN1, VIN2
= 1
Symbol
≤
I
OUT
EN1/2
+ 0.5V)
V
C
C
CURRENT
µ
IN
= 0.1mA
1,
OUT
P
F; C
IN
I
LIMIT
≤
OUT
RODUCTION
6V
1
≤
OUT
V
IN
= 1
≤
Min
6V
1.0*
1.0*
2.5
µ
CONTROL
THERMAL
SENSOR
F; T
LOGIC
D
J
1.163
1.140
ATA
Min
= T
-2.5
LX8221
-1
Typ
VREF
150
2.2
A
S
using low duty cycle pulse
LX1742
HEET
≤
1.175
0.175
Typ
0.04
0.25
280
0.5
V
T
+
-
IN
A
Max
≤
+ 0.3V
6
1.187
1.210
0.050
0.175
Max
125°C except
0.15
440
2.5
1.5
0.3
0.4
1
1
LX8221
Units
%V
mA
Units
µF
µF
VOUT2
ADJ
V
V
%/V
µA
%
V
V
NOM
Page 3