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PDF LX8815-2500CDF Data sheet ( Hoja de datos )
| Número de pieza | LX8815-2500CDF | |
| Descripción | Dual Channel 1A Low Dropout Regulator | |
| Fabricantes | Microsemi Corporation | |
| Logotipo |  |
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A MICROSEMI COMPANY
LX8815
Dual Channel 1A Low Dropout Regulator
PRELIMINARY
The LX8815 is a dual channel voltage reference enabling precise output
positive-voltage linear regulator. This voltages, typically ±1% of it’s specified
dual regulator has either one fixed value, while the BiPolar output transistor
output coupled with an adjustable has a low dropout voltage even at full
output or two fixed outputs. Each output current (VDO < 1.1V typ. @ 1A).
channel features low-dropout and high Thermal and Short Circuit Current
accuracy.
Protection are integrated on-chip and
The LX8815 provides designers operate independently for each regulator
with a flexible power management output.
solution, minimal printed circuit board The LX8815 regulator is stable with a
area, and shorter design cycles.
low-value output capacitor, typically
Each channel can supply up to one 3.3µF tantalum or 4.7µF ceramic on the
amp independently with a regulator outputs, allowing designers flexibility in
design optimized for system efficiency external component selection.
by consuming minimal ground current Linfinity’s S-PAK power package
and directing quiescent current to the offers maximum power dissipation and
load.
ease of assembly using surface mount
The LX8815 features on-chip technology.
trimming of the internal
IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com
Two Independent Regulated
Outputs
Accurate Output Voltages
Max. Dropout of 1.1V at Rated
Current
Independent Thermal and
Current Limit Protection
Low Profile 5 Lead SMT Power
Package
Low Tolerance Line (0.2%) and
Load (0.4%) Regulation
Wide DC Supply Voltage of 4.0V
to 12.0V
Loop Stability Independent of
Output Capacitor Type
5V to 3.3V Linear Regulator
Low Voltage Logic Supplies
Active SCSI Terminators
Battery Charging Circuits
Instrumentation
PC Peripherals
VIN
R3
0 . 1Ω
C1
1 0µF
1
BIAS
1.25V
VREF
GND
3
+
-
+
-
5 VOUT1
C2
4 . 7µF
VOUT
2
= 1.25× 1+
R1
R2
+
I ADJ
×
R2
4 VOUT2
R1 Adjustable or Fixed
2 C3
4.7µF
R2
Note: Application circuit above using ceramic capacitors, C 1 requires R3 (0.075 to 0.3Ω). For Tantalum capacitors: R 3 is not used
a n d C1, C2, and C3 > 2 µF. R1 and R2 used with LX88xx-xx only.
Copyright © 2000
Rev. 0.2a, 2000-11-20
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 1
1 page  
A MICROSEMI COMPANY
LX8815
Dual Channel 1A Low Dropout Regulator
PRELIMINARY
AI
B
K
FG
C
D
H
Dim
MILLIMETERS
MIN MAX
A 9.27 9.52
B 8.89 9.14
C 1.77 2.03
D 7.49 7.74
E 0.12 0.38
F 0.58 0.84
G 1.70 BSC
H 0.79 1.04
JI
4.31 6.86
E J 0.03 0.13
K 10.41 10.67
INCHES
MIN MAX
.365 .375
.350 .360
.070 .080
.295 .305
.005 .015
.023 .033
0.067 BSC
.031 .041
.170 .270
.001 .005
.410 .420
Note:
1. Dimensions do not include mold flash or protrusions;
these shall not exceed 0.155mm(.006”) on any side.
Lead dimension shall not include solder coverage.
Preliminary Data – Information contained in this document is pre-production data and is proprietary to LinFinity. It
may not be modified in any way without the express written consent of LinFinity. Product referred to herein is offered
in sample form only and LinFinity reserves the right to change or discontinue this proposed product at any time.
Copyright © 2000
Rev. 0.2a, 2000-11-20
Microsemi
Linfinity Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet LX8815-2500CDF.PDF ] | |
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