LX8941 Microsemi Corporation, LX8941 Datasheet

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LX8941

Manufacturer Part Number
LX8941
Description
Adjustable Low Dropout Regulator
Manufacturer
Microsemi Corporation
Datasheet
Copyright © 2001
Rev. 0.7a, 2005-11-10
adjustable, low dropout regulator rated for
more than 1A of output current. It can
regulate with as low as 0.8V headroom
between the input and output voltages, at
1A output current, thus minimizing power
dissipation. In addition, it can be used in
applications where worst case supplies
require a low input / output differential to
maintain regulation.
IMPORTANT: For the most current data, consult MICROSEMI’s website:
5V
The
10 µF
TM
Microsemi
OFF
ON
IN
LX8941
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
LX8941
Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8941CDD-TR)
Part
T
0 to 70
D E S C R I P T I O N
A
is
(°C)
ADJ
OUT
an
processor applications that require 4V
operation from a 5V supply. In addition, the
LX8941 provides an on / off switch that
reduces the IC quiescent current when
activated, making it ideal for battery
operated applications.
412
R1
187
This feature makes it ideal for some
R2
P
RoHS Compliant / Pb-free
P R O D U C T H I G H L I G H T
P A C K A G E O R D E R I N F O
Transition DC: 0543
Integrated Products Division
LX8941CP
Plastic TO-220
5 pin
22µF
®
Microsemi
http://www.microsemi.com
4V
Adjustable Low Dropout Regulator
DD
Dropout Voltage vs. Output
RoHS Compliant / Pb-free
Current vs. Temperature
600
500
400
300
200
100
P
Transition DC: 0535
0
RELIMINARY
LX8941CDD
5 Pin
Plastic TO-263
125°C
-40°C
25°C
100
Output Current (mA)
2% Internally Trimmed Output
Output Current In Excess of 1A
Input – Output Differential Less
Than 0.8V @ 1A
Reverse Battery Protection
Short Circuit Protection
Internal Thermal Overload
Protection
Available in 5-Lead Plastic TO-
220 & Surface-Mount TO-263
D
ATA
K E Y F E A T U R E S
500
S
HEET
1000
LX8941
Page 1

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LX8941 Summary of contents

Page 1

... ADJ ON OFF T (° Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX8941CDD-TR) Copyright © 2001 Rev. 0.7a, 2005-11-10 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® Adjustable Low Dropout Regulator an This feature makes it ideal for some processor applications that require 4V operation from a 5V supply ...

Page 2

... P P ACKAGE (Top View) TAB is GND ON/OFF 5 ADJ 4 3 GND ACKAGE (Top View) RoHS / Pb-free 100% matte Tin Lead Finish LX8941 Symbol Min Typ Max VIN 3 1000 0.1 10 ON/OFF ADJ GND Units V mA µF µ ...

Page 3

... TM Unless otherwise specified, the following specifications apply over the operating ambient temperature of 0°C to 125°C for the LX8941CP 10V 1A 22µF and are for DC characteristics only. Low duty cycle pulse testing techniques are used which maintain IN O OUT junction and case temperatures equal to the ambient temperature. Note 3: The output voltage range 25V and is determined by the two external resistor, R1 and R2 ...

Page 4

... 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. Microsemi Integrated Products Division LX8941 D S ATA HEET M I ILLIMETERS NCHES MIN MAX MIN MAX 10 ...

Page 5

... Production. Microsemi reserves the right to change or discontinue this proposed product at any time. Copyright © 2001 Rev. 0.7a, 2005-11-10 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® Adjustable Low Dropout Regulator P RELIMINARY Microsemi Integrated Products Division LX8941 D S ATA HEET Page 5 ...

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