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SPX2954ACT-5.0

Description
Fixed Positive LDO Regulator, 5V, PSSO2, TO-263, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size27KB,2 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric View All

SPX2954ACT-5.0 Overview

Fixed Positive LDO Regulator, 5V, PSSO2, TO-263, 3 PIN

SPX2954ACT-5.0 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
package instructionTO-263, 3 PIN
Reach Compliance Codeunknown
Is SamacsysN
JESD-30 codeR-PSSO-G2
JESD-609 codee0
length10.287 mm
Humidity sensitivity level3
Number of functions1
Number of terminals2
Maximum output current 10.25 A
Maximum output voltage 15.025 V
Minimum output voltage 14.975 V
Nominal output voltage 15 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-263
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)225
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height4.597 mm
surface mountYES
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch2.6 mm
Terminal locationSINGLE
Maximum time at peak reflow temperature30
width9.04 mm
Base Number Matches1
®
SPX2954
250mA Low Dropout Voltage Regulators
features
s
Guaranteed 250mA Output
Current
s
5.0V and 3.3V Versions at
250mA Output
s
Very Low Quiescent Current
s
Low Dropout Voltage: 375mV
at 250mA
s
Extremely Tight Load and Line
Regulation
s
0.5% and 1% Accuracy
s
Very Low Temperature
Coefficient
s
Current and Thermal Limiting
s
Error Flag and Enable
s
Reverse Battery and
Overvoltage Transient
Protection
s
TO-92, 8L SOIC Package
Options
s
Direct Replacement For
LP2954
description
The SPX2954 is a low power voltage regulator. This device is an
excellent choice for use in battery-powered applications such as cord-
less telephones, radio control systems, and portable computers. The
SPX2954 has a low quiescent current and low dropout voltage (typ.
375 mV at 250mA). This includes a tight initial tolerance of 0.5%
(typ.), extremely good load and line regulation (0.05% typ.), and very
low output temperature coefficient, making it useful as a low-power
voltage reference.
The error flag output feature is used as a power-on reset for warning
of a low output voltage, due to a falling input voltage. The logic-com-
patible shutdown feature enables the regulator to be switched ON and
OFF. The SPX2954 is offered in a variety of industry standard pack-
ages and is compatible with other 3.3V AND 5.0V regulators.
P
typical application circuits
Adjustable Regulator
+V
IN
100K
ERROR
OUTPUT
5
8
______
ERROR
+V
IN
V
OUT
1
1.2 to 30V
SPX2954
+
SHUTDOWN
INPUT
3
SD
GND
4
R
1
FB
7
3.3uF
.01uF
applications
s
s
s
s
s
s
s
s
s
s
Battery Powered Systems
Cordless Telephones
Radio Control Systems
Portable/Palm Top/Notebook
Computers
Portable Consumer Equipment
Portable Instrumentation
Avionics
SMPS Post-Regulator
Voltage Reference
Automotive Electronics
P-159
1.23V
V
REF
R
2
Latch Off when Error flag Occurs
+V
IN
470kΩ
..
5
8
______
ERROR
+V
IN
1
V
OUT
470kΩ
..
V
OUT
SPX2954
+
3
SD
GND
4
R
1
FB
7
1uF
RESET
R
2
2002 Short Form Catalog
© Copyright 2001 Sipex Corporation
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