AS2885U-2.5 datasheet, PDF - EEWORLD Datasheet

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AS2885U-2.5: DescriptionFixed Positive LDO Regulator, 2.5V, 1.5V Dropout, PSFM3, TO-220, 3 PIN; CategoryPower/power management The power supply circuit; File Size127KB，5 Pages; ManufacturerExar

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AS2885U-2.5 Overview

Fixed Positive LDO Regulator, 2.5V, 1.5V Dropout, PSFM3, TO-220, 3 PIN

AS2885U-2.5 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Objectid	1906284231
package instruction	TO-220,
Reach Compliance Code	unknown
YTEOL	0
Maximum drop-back voltage 1	1.5 V
Maximum input voltage	25 V
Minimum input voltage	4 V
JESD-30 code	R-PSFM-T3
Humidity sensitivity level	1
Number of functions	1
Number of terminals	3
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min	-45 °C
Maximum output current 1	5 A
Maximum output voltage 1	2.575 V
Minimum output voltage 1	2.425 V
Nominal output voltage 1	2.5 V
Package body material	PLASTIC/EPOXY
encapsulated code	TO-220
Package shape	RECTANGULAR
Package form	FLANGE MOUNT
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount	NO
Terminal form	THROUGH-HOLE
Terminal location	SINGLE
Maximum voltage tolerance	3%

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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

. 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

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

ADJ/GND V

OUT

Top View

ADJ/GND V

OUT

Front View

Rev. 9/29/00

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