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AS2885U

Description
Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSFM3, TO-220, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size127KB,5 Pages
ManufacturerExar
Download Datasheet Parametric View All

AS2885U Overview

Adjustable Positive LDO Regulator, 1.2V Min, 1.5V Dropout, PSFM3, TO-220, 3 PIN

AS2885U Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid1906154414
package instructionTO-220, 3 PIN
Reach Compliance Codeunknown
YTEOL0
Maximum drop-back voltage 11.5 V
Maximum Differential Input-Output Voltage25 V
Minimum Differential Input-Output Voltage1.5 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 15 A
Minimum output voltage 11.2 V
Package body materialPLASTIC/EPOXY
encapsulated codeTO-220
Package shapeRECTANGULAR
Package formFLANGE MOUNT
Certification statusNot Qualified
Regulator typeADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mountNO
Terminal formTHROUGH-HOLE
Terminal locationSINGLE
AS2885
5A 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 5A
Low Dropout Voltage 1.1V Typ.
Extremely Tight Load And Line Regulation
Current & Thermal Limiting
Standard 3-Terminal Low Cost TO-220 & TO-263
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 AS2885 are low power 5A adjustable and fixed voltage regulators with 30V maximum V
IN
. They are very easy to use. It requires
only 2 external resistors to set the output voltage for adjustable version. The AS2885 are designed for low voltage applications that
offers 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 AS2885 features low dropout of a maximum of 1.2 volts.
The AS2885 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 AS2885 are offered in 3-pin TO-220 and TO-263 packages compatible with other 3 terminal regulators. For a similar 5A low
dropout voltage regulator refer to the AS2850 datasheet. Also for higher current requirements, refer to the AS2880 datasheet.
ORDERING INFORMATION
TO-220
3-PIN
AS2885YU
AS2885YU-X
TO-263
3-PIN
AS2885YT
AS2885YT-X
PIN CONNECTIONS
TO-263-3 (T)
TO-220-3 (U)
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
AS2885
1
2
3
AS2885
1
2
3
ADJ/GND V
OUT
V
IN
Top View
ADJ/GND V
OUT
V
IN
Front View
Rev. 9/29/00
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