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SPX1580U5

Description
7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
CategoryPower/power management    The power supply circuit   
File Size166KB,8 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric Compare View All

SPX1580U5 Overview

7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed

SPX1580U5 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSIPEX
package instructionTO-220, 5 PIN
Reach Compliance Codeunknow
Maximum drop-back voltage 10.8 V
JESD-30 codeR-PSFM-T5
JESD-609 codee0
Number of functions1
Number of terminals5
Working temperatureTJ-Max125 °C
Operating temperatureTJ-Mi
Maximum output current 17 A
Maximum output voltage 16 V
Minimum output voltage 11.25 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-220
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)NOT APPLICABLE
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mountNO
Terminal surfaceTIN LEAD
Terminal formTHROUGH-HOLE
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT APPLICABLE
®
SPX1580
7A Ultra Dropout Voltage Regulator
Fast Response, Adjustable & Fixed
FEATURES
Low Dropout Voltage 540mV at 7A Full Load Current
Adjustable Ouput Down to 1.25V from ATX Power Supply
Fixed Output Voltages of 3.3V and 2.5V
Extremely Tight Load and Line Regulation
Standard 5-Terminal Low Cost TO-220 and TO-263
ADJ OR FIXED
SENSE
V
CNTRL
V
OUT
V
IN
SPX1580
SPX1580
5 Pin TO-220
5 Pin TO-263
1
2
3
1 2 3 4 5
Replacement to Industry Standard LT1580
APPLICATIONS
ADJ OR FIXED
SENSE
3.3V ATX Power Supplies
3.3V to 2.9V for Portable PENTIUM
TM
Processor
5V to 3.5V VRE Supply
High efficiency "Green" Computer Systems
Now Available in Lead Free Packaging
DESCRIPTION
The
SPX1580 is a 7A Low Dropout Regulator with extremely low dropout voltage. The adjustable version
requires only two external resistors to set the output voltage. The fixed version has a preset output of 3.3V
or 2.5V and does not require any external resistors. The SPX1580 features a low dropout of 540mV(Typ.)
and offers fast transient response. This device is suitable for Pentium applications requiring 2.5V from 3.3V
ATX power supplies, where a low current input voltage 1V greater than the output voltage is available. With
an external sense pin the load regulation is less than 1mV. This device is an excellent choice for the use
of powering low voltage microprocessors that require a lower dropout, fast transient response to regulate
from 3.3V and 5V supplies. The SPX1580 is also an excellent choice as a post regulator for switching
supplies applications.
The SPX1580 offers protection against over-current faults, reversed input polarity, over temperature
operation and positive and negative transient voltage.
The SPX1580 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal
regualtors. For 5A, 3A and 1.5A ultra low dropout versions refer to SPX1581, SPX1582 and SPX1583 data
sheets respectively.
TYPICAL APPLICATIONS CIRCUITS
3.3V
V
IN
5V
V
CTRL
V
IN
C1
33µF
V
CTRL
5
SPX1580
4
2
ADJ
C2
10µF
R2
124Ω
1
SENSE
R1
124Ω
C4
68µF
C2
10µF
3
V
OUT
2.5V
V
OUT
3.3V
V
IN
5V
V
CTRL
V
IN
C1
33µF
V
CTRL
V
CNTRL
V
OUT
V
IN
5
SPX1580
4
2
3
1
V
OUT
2.5V
V
OUT
SENSE
GND
C4
68µF
(1) V
CTRL
needed when V
IN
< 5V.
(2) V
OUT
= V
REF
(1+R
2
/R
1
)+I
ADJ
R
2
.
(3) V
REF
is measured across adjust to sense.
(1) V
CTRL
needed when V
IN
< 5V.
Date: 5/14/04
SPX1580 7A Ultra Dropout Voltage Regulator
©Copyright 2004 Sipex Corporation
1

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Description 7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed 320 x 240 pixel format, CFL backlight available with power harness 320 x 240 pixel format, CFL backlight available with power harness 320 x 240 pixel format, CFL backlight available with power harness 122 x 32 pixel format, Compact LCD size 320 x 240 pixel format, CFL backlight available with power harness 320 x 240 pixel format, CFL backlight available with power harness Replaced by ADS6122 : 12-bit, 40MSPS, +3.3V Analog-to-Digital Converter 48-TQFP -40 to 85 7A Ultra Low Dropout Voltage Regulator Fast Response, Adjustable & Fixed
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible -
Maker SIPEX - - SIPEX SIPEX SIPEX SIPEX SIPEX -
package instruction TO-220, 5 PIN TO-220, 5 PIN TO-220, 5 PIN TO-220, 5 PIN TO-263, 5 PIN TO-263, 5 PIN TO-263, 5 PIN TO-263, 5 PIN -
Reach Compliance Code unknow unknow unknow unknow unknow unknow unknow unknow -
Maximum drop-back voltage 1 0.8 V 0.8 V 0.62 V 0.8 V 0.8 V 0.62 V 0.8 V 0.8 V -
JESD-30 code R-PSFM-T5 R-PSFM-T5 R-PSFM-T5 R-PSFM-T5 R-PSSO-G5 R-PSSO-G5 R-PSSO-G5 R-PSSO-G5 -
JESD-609 code e0 e0 e0 e0 e0 e0 e0 e0 -
Number of functions 1 1 1 1 1 1 1 1 -
Number of terminals 5 5 5 5 5 5 5 5 -
Working temperatureTJ-Max 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C -
Maximum output current 1 7 A 7 A 7 A 7 A 7 A 7 A 7 A 7 A -
Maximum output voltage 1 6 V 3.432 V 2.912 V 2.6 V 3.432 V 2.912 V 2.6 V 6 V -
Minimum output voltage 1 1.25 V 3.168 V 2.688 V 2.4 V 3.168 V 2.688 V 2.4 V 1.25 V -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY -
encapsulated code TO-220 TO-220 TO-220 TO-220 TO-263 TO-263 TO-263 TO-263 -
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR -
Package form FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT FLANGE MOUNT SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE -
Peak Reflow Temperature (Celsius) NOT APPLICABLE NOT APPLICABLE NOT APPLICABLE NOT APPLICABLE 225 225 225 225 -
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified -
Regulator type ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR -
surface mount NO NO NO NO YES YES YES YES -
Terminal surface TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD TIN LEAD -
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE GULL WING GULL WING GULL WING GULL WING -
Terminal location SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE -
Maximum time at peak reflow temperature NOT APPLICABLE NOT APPLICABLE NOT APPLICABLE NOT APPLICABLE 30 30 30 30 -
Maximum input voltage - 5.5 V 5 V 5.5 V 5.5 V 5 V 5.5 V - -
Minimum input voltage - 4.1 V 3.3 V 3.3 V 4.1 V 3.3 V 3.3 V - -
Nominal output voltage 1 - 3.3 V 2.8 V 2.5 V 3.3 V 2.8 V 2.5 V - -
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