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SPX1587R-2.5-L

Description
Fixed Positive LDO Regulator, 2.5V, 1.2V Dropout, PSSO2, LEAD FREE, TO-252, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size172KB,11 Pages
ManufacturerExar
Environmental Compliance
Download Datasheet Parametric View All

SPX1587R-2.5-L Overview

Fixed Positive LDO Regulator, 2.5V, 1.2V Dropout, PSSO2, LEAD FREE, TO-252, 3 PIN

SPX1587R-2.5-L Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeTO-252
package instructionTO-252,
Contacts4
Reach Compliance Codeunknown
ECCN codeEAR99
Maximum drop-back voltage 11.2 V
Maximum input voltage10 V
Minimum input voltage4.25 V
JESD-30 codeR-PSSO-G2
JESD-609 codee3
length6.5405 mm
Humidity sensitivity level2
Number of functions1
Number of terminals2
Working temperatureTJ-Max125 °C
Working temperature TJ-Min-40 °C
Maximum output current 13 A
Maximum output voltage 12.575 V
Minimum output voltage 12.425 V
Nominal output voltage 12.5 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-252
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height2.3876 mm
surface mountYES
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch2.5 mm
Terminal locationSINGLE
Maximum time at peak reflow temperature40
width6.096 mm
Base Number Matches1
®
SPX1587
3A Low Dropout Voltage Regulator
FEATURES
Guaranteed 3A Output Current
Three Terminal Adjustable or Fixed
1.5V, 1.8V, 2.5V, 3.3V and 5.0V
Low Quiescent Current
Low Dropout Voltage: 1.1V at 3A
Line Regulation: 0.1%
Load Regulation: 0.1%
Stable with 10uF Ceramic Capacitor
Overcurrent and Thermal Protection
Available Packages: TO-252,
TO-220, and TO-263
Similar to Industry Standard LT1085/
LT1585
SPX1587
3 Pin TO-263
SPX1587
3 Pin TO-220
1
2
3
1
2
3
ADJ/GND V
OUT
V
IN
ADJ/GND V
OUT
V
IN
Now Available in Lead Free Packaging
APPLICATIONS
Desktop PC's Servers
Powering VGA and Sound Cards
Cordless Phones
Battery Chargers
Adjustable Power Supplies
Portable Instrumentation
SMPS Post-Regulator
DESCRIPTION
The SPX1587 is a low power positive-voltage regulator designed to satisfy moderate power requirements
with a cost effective, small footprint solution. This device is an excellent choice for use in battery-powered
applications and portable computers. The SPX1587 features very low quiescent current and a low dropout
voltage of 1.1V at a full load. As output current decreases, quiescent current flows into the load, increasing
efficiency. SPX1587 is available in adjustable or fixed 1.5V, 1.8V, 2.5V, 3.3V and 5.0V output voltages.
The SPX1587 is offered in several 3-pin surface mount packages: TO-252, TO-220 and TO-263. An output
capacitor of 10µF ceramic or tantalum provides unconditional stability.
FUNCTIONAL DIAGRAM (Adjustable)
V
IN
Current Limit
+
-
V
OUT
I
CL
_
AMP
+ 1.25V
Thermal Limit
+
V
REF
ADJ/GND
I
ADJ
~ 50µA
I
TL
Date: 5/25/04
SPX1587 3A Low Dropout Voltage Regulator
© Copyright 2004 Sipex Corporation
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