UR5517G-SM2-R datasheet(1/9 Pages) UTC

Il numero della parte	UR5517G-SM2-R

Spiegazioni elettronici	3A DDR BUS TERMINATION REGULATOR

PDF	9 Pages

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Produttore elettronici	UTC [Unisonic Technologies]

Homepage	http://www.utc-ic.com

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1 / 9 page

UNISONIC TECHNOLOGIES CO., LTD

UR5517

LINEAR INTEGRATED CIRCUIT

www.unisonic.com.tw

1 of 9

QW-R102-041.B

3A DDR BUS TERMINATION

REGULATOR

DESCRIPTION

The UR5517 is a linear regulator which provides up to 3 Amp

bi-directional sourcing and sinking capability for DDR1/2/3 SDRAM

bus terminator applications. It only requires 20uF of ceramic output

capacitance by a integrated operational amplifier which provides fast

load transient response.

The UR5517 also includes two control pins, S3 & S5. If S3 were

set in low level, VTT will be turned off and left Hi-Z(sleep-state

mode).If setting S5 were set in low level, both VTT and VTTREF will be

turned off and discharged to ground(soft-off mode).

FEATURES

* Input Voltage Range:3~5.5V

* VLDOIN Voltage Range:1.2V~3.6V

* DDR1/2/3 Termination Voltage Applications

* Sourcing and Sinking Current up to 3A

* ±20mV Accuracy for VTT and VTTREF

* 10mA Buffered Reference(VTTREF)

* Supports High-Z in S3(STR) and Soft-off in S5(Shutdown)

* Integrated Divider Tracks 1/2 VDDQSNS for Both VTT&VTTREF

* Built-In Soft-Start

* Current Limiting Protection

* Thermal Shutdown Protection

ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

UR5517L-SM2-R

UR5517G-SM2-R

MSOP-10

Tape Reel

UR5517L-SM2-T

UR5517G-SM2-T

MSOP-10

Tube

(1) R: Tape Reel, T: Tube

(2) SM2: MSOP-10

(3) G: Halogen Free, L: Lead Free

UR5517L-SM2 -R

(1)Packing Type

(2)Package Type

(3)Lead Free

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Unisonic Technologies	UR5517G-SM2-R	193Kb / 6P	3A DDR BUS TERMINATION REGULATOR
Unisonic Technologies	UR5517G-SM2-R	814Kb / 9P	3A DDR BUS TERMINATION

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