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AS2887AT

Description
Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSSO2, PLASTIC, TO-263, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size154KB,6 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric Compare View All

AS2887AT Overview

Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSSO2, PLASTIC, TO-263, 3 PIN

AS2887AT Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSIPEX
package instructionPLASTIC, TO-263, 3 PIN
Reach Compliance Codeunknown
Maximum drop-back voltage 11.5 V
Minimum Differential Input-Output Voltage1.5 V
JESD-30 codeR-PSSO-G2
length10.287 mm
Humidity sensitivity level1
Number of functions1
Number of terminals2
Working temperatureTJ-Max125 °C
Working temperature TJ-Min-45 °C
Maximum output current 13 A
Minimum output voltage 11.2 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-263
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)225
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height4.597 mm
surface mountYES
Terminal formGULL WING
Terminal pitch2.6 mm
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
width9.04 mm
Base Number Matches1
AS2887
3A Low Dropout Voltage Regulator
Adjustable & Fixed Output,
Fast Response
FEATURES
Adjustable Output Down To 1.2V
Fixed Output Voltages 1.5, 2.5, 3.3, 5.0V
Output Current Of 3A
Low Dropout Voltage 1.1V Typ.
Extremely Tight Load And Line Regulation
Current & Thermal Limiting
Standard 3-Terminal Low Cost TO-220, TO-263 & TO-252
Similar To Industry Standard LT1085/LT1585
APPLICATIONS
Powering VGA & Sound Card
Power PCSupplies
SMPS Post-Regulator
High Efficiency “Green” Computer Systems
High Efficiency Linear Power Supplies
Portable Instrumentation
Constant Current Regulators
Adjustable Power Supplies
Battery charger
PRODUCT DESCRIPTION
The AS2887 are low power 3A adjustable and fixed voltage regulators that are very easy to use. It requires only 2 external resistors to
set the output voltage for adjustable version. The AS2887 is designed for low voltage applications that offer lower dropout voltage
and faster transient response. This device is an excellent choice for use in powering low voltage microprocessor that require a lower
dropout, faster transient response to regulate from +2.5V to 3.8V supplies and as a post regulator for switching supplies applications.
The AS2887 features low dropout of a maximum of 1.5 volts.
The AS2887 offers full protection against over-current faults, reversed input polarity, reversed load insertion, and positive and
negative transient voltage. On-Chip trimming adjusts the reference voltage to 1%. The I
Q
of this device flows into load which
increases efficiency.
The AS2887 are offered in a 3-pin TO-220, TO-263 & TO-252 packages compatible with other 3 terminal regulators. For a 8A low
dropout regulator refer to the AS2880 data sheet.
ORDERING INFORMATION
TO-220
3-PIN
AS2887YU
AS2887YU-X
DD PLASTIC
3-PIN
AS2887YT
AS2887YT-X
TO-252
DPAK
AS2887YR
AS2887YR-X
TO-263-3 (T)
PIN CONNECTIONS
TO-220-3 (U)
TO-252 (R)
X = Output Voltage (i.e. 1.5 for 1.5V, 2.5 for 2.5V etc.)
Y = Output Tolerance, A for 1%
Blank for 2%
Consult with factory for other fixed output voltages
AS2887
1
2
3
AS2887
AS2887
1
2
3
1
2
3
ADJ/GND V
OUT
V
IN
ADJ/GND V
OUT
V
IN
Front View
ADJ/GND V
OUT
V
IN
Top View
Front View
Rev. 10/11/00

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Description Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSSO2, PLASTIC, TO-263, 3 PIN Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSSO2, TO-252, DPAK-3 Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSFM3, TO-220, 3 PIN Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSSO2, TO-252, DPAK-3 Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSSO2, PLASTIC, TO-263, 3 PIN Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSFM3, TO-220, 3 PIN
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible
Maker SIPEX SIPEX SIPEX SIPEX SIPEX SIPEX
package instruction PLASTIC, TO-263, 3 PIN TO-252, DPAK-3 TO-220, 3 PIN TO-252, DPAK-3 PLASTIC, TO-263, 3 PIN TO-220, 3 PIN
Reach Compliance Code unknown unknown unknown unknown unknown unknown
Maximum drop-back voltage 1 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
Minimum Differential Input-Output Voltage 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V 1.5 V
JESD-30 code R-PSSO-G2 R-PSSO-G2 R-PSFM-T3 R-PSSO-G2 R-PSSO-G2 R-PSFM-T3
Humidity sensitivity level 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1
Number of terminals 2 2 3 2 2 3
Working temperatureTJ-Max 125 °C 125 °C 125 °C 125 °C 125 °C 125 °C
Working temperature TJ-Min -45 °C -45 °C -45 °C -45 °C -45 °C -45 °C
Maximum output current 1 3 A 3 A 3 A 3 A 3 A 3 A
Minimum output voltage 1 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TO-263 TO-252 TO-220 TO-252 TO-263 TO-220
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE FLANGE MOUNT SMALL OUTLINE SMALL OUTLINE FLANGE MOUNT
Peak Reflow Temperature (Celsius) 225 225 225 225 225 225
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Regulator type ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount YES YES NO YES YES NO
Terminal form GULL WING GULL WING THROUGH-HOLE GULL WING GULL WING THROUGH-HOLE
Terminal location SINGLE SINGLE SINGLE SINGLE SINGLE SINGLE
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
Base Number Matches 1 1 1 1 1 1
length 10.287 mm 6.5405 mm - 6.5405 mm 10.287 mm -
Maximum seat height 4.597 mm 2.3876 mm - 2.3876 mm 4.597 mm -
Terminal pitch 2.6 mm 2.5 mm - 2.5 mm 2.6 mm -
width 9.04 mm 6.09 mm - 6.09 mm 9.04 mm -
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