AS1583T-2.5 datasheet, PDF - EEWORLD Datasheet

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AS1583T-2.5: DescriptionFixed Positive LDO Regulator, 2.5V, 1.15V Dropout, PSSO5, TO-263, 5 PIN; CategoryPower/power management The power supply circuit; File Size111KB，4 Pages; ManufacturerSIPEX; Websitehttp://www.sipex.com/

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AS1583T-2.5 Overview

Fixed Positive LDO Regulator, 2.5V, 1.15V Dropout, PSSO5, TO-263, 5 PIN

AS1583T-2.5 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	SIPEX
package instruction	TO-263, 5 PIN
Reach Compliance Code	unknown
Maximum drop-back voltage 1	1.15 V
Maximum input voltage	5 V
Minimum input voltage	3 V
JESD-30 code	R-PSSO-G5
length	10.287 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	5
Working temperatureTJ-Max	125 °C
Working temperature TJ-Min
Maximum output current 1	1.5 A
Maximum output voltage 1	2.6 V
Minimum output voltage 1	2.4 V
Nominal output voltage 1	2.5 V
Package body material	PLASTIC/EPOXY
encapsulated code	TO-263
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	225
Certification status	Not Qualified
Regulator type	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	4.6 mm
surface mount	YES
Terminal form	GULL WING
Terminal pitch	1.7 mm
Terminal location	SINGLE
Maximum time at peak reflow temperature	NOT SPECIFIED
width	9.04 mm
Base Number Matches	1

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AS1583

1.5A Ultra Low Dropout Voltage Regulator

Fast Response, Adjustable & Fixed

FEATURES

•

Low Dropout Voltage 500mV at 1.5A Full Load Current

•

Adjustable Output Down to 1.2V from ATX Power Supply

•

Fixed Output Voltages of 3.3V, 2.8V, 2.5V, and 1.5V

•

Extremely Tight Voltage and Line Regulation

•

Standard 5-Terminal Low Cost TO-220 & TO-263

APPLICATIONS

•

3.3V to 2.8V ATX Power Supplies

•

3.3V to 2.9V for Portable PENTIUM Processor



•

5V to 3.5V VRE Supply

•

High Efficiency “Green” Computer Systems

PRODUCT DESCRIPTION

The AS1583 is a 1.5A 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, 2.8V or 2.5V and does not require any external

resistors. The AS1583 features a low dropout of less than 400mV(typ.) and offers fast transient response.

This device is suitable for

Pentium applications requiring 2.8V or 2.5V from 3.3V ATX power supplies,

where a low current input voltage 1V greater than

the output voltage is needed. With an external sense pin the load regulation is less than 1mV. This device is an excellent choice for

the use in powering low voltage microprocessors that require a lower dropout, fast transient response to regulate from 3.3V and 5V

supplies. The AS1583 is also an excellent choice as a post regulator for switching supplies applications.

The AS1583 offers full protection against over-current faults, reversed input polarity, over temperature operation and positive and

negative transient voltage.

The AS1583 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal regulators. For 7A, 5A and 3A

ultra low dropout versions refer to AS1580, AS1581 and AS1582 data sheets respectively.

ORDERING INFORMATION

TO-220

5 PIN

AS1583U

AS1583U-X

TO-263

5 PIN

AS1583T

AS1583T-X

OUTPUT

Adjustable

Fixed

Consult with factory for other fixed output voltages.

X= Output Voltage (3.3V, 2.8V, 2.5V and 1.5V)

PIN CONNECTIONS

TO-263-5 (T)

TO-220-5 (U)

AS1583

1 2 3 4 5

SENSE

ADJ or FIXED

OUT

CTRL

AS1583

1 2 3 4 5

1. SENSE

2. ADJ or FIXED

3. V

OUT

4. V

CTRL

5. V

Top View

Front View

Rev. 10/2/00

AS1583T-2.5 Related Products

	AS1583T-2.5	AS1583U-3.3	AS1583U-1.5	AS1583U-2.5	AS1583U-2.8	AS1583T-2.8	AS1583T-3.3	AS1583T-1.5
Description	Fixed Positive LDO Regulator, 2.5V, 1.15V Dropout, PSSO5, TO-263, 5 PIN	Fixed Positive LDO Regulator, 3.3V, 1.15V Dropout, PSFM5, TO-220, 5 PIN	Fixed Positive LDO Regulator, 1.5V, 1.15V Dropout, PSFM5, TO-220, 5 PIN	Fixed Positive LDO Regulator, 2.5V, 1.15V Dropout, PSFM5, TO-220, 5 PIN	Fixed Positive LDO Regulator, 2.8V, 1.15V Dropout, PSFM5, TO-220, 5 PIN	Fixed Positive LDO Regulator, 2.8V, 1.15V Dropout, PSSO5, TO-263, 5 PIN	Fixed Positive LDO Regulator, 3.3V, 1.15V Dropout, PSSO5, TO-263, 5 PIN	Fixed Positive LDO Regulator, 1.5V, 1.15V Dropout, PSSO5, TO-263, 5 PIN
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
package instruction	TO-263, 5 PIN	TO-220, 5 PIN	TO-220, 5 PIN	TO-220, 5 PIN	TO-220, 5 PIN	TO-263, 5 PIN	TO-263,	TO-263, 5 PIN
Reach Compliance Code	unknown	unknown	unknown	unknown	unknown	unknown	unknown	unknown
Maximum drop-back voltage 1	1.15 V	1.15 V	1.15 V	1.15 V	1.15 V	1.15 V	1.15 V	1.15 V
JESD-30 code	R-PSSO-G5	R-PSFM-T5	R-PSFM-T5	R-PSFM-T5	R-PSFM-T5	R-PSSO-G5	R-PSSO-G5	R-PSSO-G5
Humidity sensitivity level	1	1	1	1	1	1	1	1
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	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A	1.5 A
Nominal output voltage 1	2.5 V	3.3 V	1.5 V	2.5 V	2.8 V	2.8 V	3.3 V	1.5 V
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TO-263	TO-220	TO-220	TO-220	TO-220	TO-263	TO-263	TO-263
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE	FLANGE MOUNT	FLANGE MOUNT	FLANGE MOUNT	FLANGE MOUNT	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE
Peak Reflow Temperature (Celsius)	225	225	225	225	225	225	225	225
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Regulator type	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	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
surface mount	YES	NO	NO	NO	NO	YES	YES	YES
Terminal form	GULL WING	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	THROUGH-HOLE	GULL WING	GULL WING	GULL WING
Terminal location	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE	SINGLE
Maximum time at peak reflow temperature	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
Base Number Matches	1	1	1	1	1	1	1	1
Maker	SIPEX	SIPEX	SIPEX	SIPEX	SIPEX	-	-	-
Maximum input voltage	5 V	12 V	-	5 V	12 V	12 V	12 V	-
Minimum input voltage	3 V	3.3 V	-	3 V	3.3 V	3.3 V	3.3 V	-
Maximum output voltage 1	2.6 V	3.432 V	-	2.6 V	2.912 V	2.912 V	3.432 V	-
Minimum output voltage 1	2.4 V	3.168 V	-	2.4 V	2.688 V	2.688 V	3.168 V	-

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