LX8816 Microsemi Corporation, LX8816 Datasheet - Page 3

• Manufacturer Part Number: LX8816
• Description: Dual Channel 1a Low Dropout Regulator
• Manufacturer: Microsemi Corporation

Copyright © 2000
Rev. 1.2c, 2005-05-18
*
Unless otherwise specified, the following specifications apply over the operating ambient temperature 0°C
otherwise noted and the following test conditions: V
low duty cycling methods.
improve the response to these load steps.
Input Voltage
Output Voltage (adjustable)
Load Current each output (with adequate heat sinking)
Input Capacitor (V
Output Capacitor (V
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
Adjustable Output (Output 1)
Note 1: Minimum load current is defined as the amount of output current required to maintain regulation.
Reference Voltage
Line Regulation
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Adjust Pin Bias Current
Fixed Output (Output 2)
Output Voltage
Line Regulation
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Entire Regulator
Quiescent Current
Quiescent Current
Ripple Rejection
RMS Output Noise (% of V
Thermal Shutdown
TM
Parameter
IN
OUT
to GND)
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
to GND)
Parameter
OUT
)
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
Symbol
V
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
∆V
∆V
∆V
I
∆V
∆V
I
OUT (MAX)
∆V
OUT (MAX)
PSRR
OUT (RMS)
V
T
I
REF
∆V
∆V
1
1
V
2
2
IQ
ADJ
I
REF
I
I
JSD
(V
(V
(V
(V
2
Q
L
L
2
(I
(I
2
IN
IN
IN
IN
)
1
)
)
)
)
)
IN
5mA < I
4.75V < V
4.50V < V
5mA < I
I
Note 1, The external resistor divider current can be
included in this requirement.
Bias current flows into part.
5mA < I
4.75V < V
4.50V < V
5mA < I
I
Note 1
V
V
10Hz < f < 10kHz
f=120Hz, V
LOAD
LOAD
IN
IN
= 5V, I
< 10V, I
< 10V, I
Integrated Products
®
= 1A, ∆V
= 1A, ∆V
Microsemi
1
1
2
2
< 1A, 4.75V < V
< 1A, 4.75V < V
OUT
< 1A, V
< 1A, V
IN
IN
IN
IN
1
1
IN
< 5.5V, I
< 10V, I
< 5.5V, I
< 10V, I
= 5mA, I
= 1A, I
= 10mA, C
= 5V
1
2
= -2%
= -2%
Test Conditions
IN
IN
Dual Channel 1A Low Dropout Regulator
= 4.75V
= 4.75V
2
OUT
OUT
OUT
OUT
Symbol
= 1A
2
= 5mA
V
= 5mA
= 5mA
V
= 5mA
= 5mA
OUT
1
IN
IN
IN
= 10µF (Tantalum), C
< 10V
< 10V
P
RODUCTION
Min
4.5
2.2
1.0
0
LX8816-04
2
= C
D
Typ
ATA
3
10*
20
= 4.7µF (Tant.), & T
1.225
3.234
Min
135
≤
1.0
1.0
60
T
S
A
LX8816-04
HEET
≤
0.003
Typ
1.25
0.17
0.04
0.12
3.30
0.17
125°C except where
140
1.5
1.2
1.4
2.6
1.2
1.4
2.6
3.5
75
Max
1000
2
6
5.5
10
3.3825
Max
1.273
0.22
0.15
0.22
2.5
1.3
1.3
3.8
J
3
1
8
6
0
6
LX8816
= T
Units
mA
A
µF
µF
V
V
Units
using
mV
%V
%V
mA
mV
%V
mV
mA
mA
mA
%V
µA
dB
°C
V
V
A
V
V
A
Page 3