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AS2887AU-3.3

Description
Fixed Positive LDO Regulator, 3.3V, 1.5V Dropout, PSFM3, TO-220, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size157KB,6 Pages
ManufacturerSIPEX
Websitehttp://www.sipex.com/
Download Datasheet Parametric View All

AS2887AU-3.3 Overview

Fixed Positive LDO Regulator, 3.3V, 1.5V Dropout, PSFM3, TO-220, 3 PIN

AS2887AU-3.3 Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerSIPEX
package instructionTO-220, 3 PIN
Reach Compliance Codeunknown
Maximum drop-back voltage 11.5 V
Maximum input voltage29 V
Minimum input voltage4.75 V
JESD-30 codeR-PSFM-T3
Humidity sensitivity level1
Number of functions1
Number of terminals3
Working temperatureTJ-Max125 °C
Working temperature TJ-Min-45 °C
Maximum output current 13 A
Maximum output voltage 13.36 V
Minimum output voltage 13.24 V
Nominal output voltage 13.3 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-220
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Peak Reflow Temperature (Celsius)225
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mountNO
Terminal formTHROUGH-HOLE
Terminal locationSINGLE
Maximum time at peak reflow temperatureNOT SPECIFIED
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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