AT9173AG AME [Analog Microelectronics], AT9173AG Datasheet

AT9173AG

Manufacturer Part Number

AT9173AG

Description

Bus Termination Regulator

Manufacturer

AME [Analog Microelectronics]

Datasheets

1.AT9173EG.pdf (17 pages)

2.AT9173AG.pdf (17 pages)

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Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

AT9173AG

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FAIRCHILD

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Part Number:

AT9173AG

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ATTAHS

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n Applications

n Typical Application

AT9173

n General Description

convert the input voltage ranging from 1.8V to 5V to an

output voltage that user settled. The regulator can

provide sourcing or sinking current.The AT9173, used

in conjunction

provides an excellent voltage source for active

termination schemes of high speed transmission lines

as those seen in high speed memory buses and

distributed backplane designs.

termination voltage for DDR SDRAM.

on-chip thermal shutdown make the circuit tolerant of

the output fault conditions.

Current limits in both sourcing and sinking mode, plus

The voltage output of the regulator can be used as a

Rev. C.05

The AT9173 is a voltage regulator which could

●

DDRI/DDRII Memory Termination Supply

Set Top Box

Active Termination Buses

Embedded System

Desktop PC,NoTebook,Server and workstation

Graphic Card

100KO

DDR _2.5 V

AME, Inc.

with

series termination resistors,

0.1 uF

470uF

AT9173A

SOP-8

GND

REFEN

VOUT

AT9173 A-SOP 8

VIN

n Features

VCNTL

●

Integrated Power MOSFETs

Support Both DDR I (1.25VTT) and DDR II

Capable of Sourcing and Sinking Current

Current-limiting Protection

Thermal Protection

Generates Termination Voltages for SSTL-2

High Accuracy Output Voltage at Full-Load

Adjustable V

Minimum External Components

Shutdown for Standby or Suspend Mode

(0.9VTT) Requirements

Operation with High-impedance Output

Bus Termination Regulator

4.7uF

C 8

VCC_ 3.3 V

OUT

by External Resistors

1.25V/1.5A

DDR_VTT

470uF

C 6

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