Datasheet > UR5517L-SM1-R

UR5517L-SM1-R

更新时间： 2024-11-26 20:03:51

品牌	Logo	应用领域
友顺 - UTC		接口集成电路
页数	文件大小	规格书
9页	1213K
描述
Terminator Support Circuit,

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UR5517L-SM1-R 技术参数

生命周期：	Active	Reach Compliance Code：	unknown
风险等级：	5.58	接口集成电路类型：	BUS TERMINATOR SUPPORT CIRCUIT
Base Number Matches：	1

UR5517L-SM1-R 数据手册

UNISONIC TECHNOLOGIES CO., LTD

UR5517

LINEAR INTEGRATED CIRCUIT

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, V_TTwill be turned off and left Hi-Z(sleep-state

mode).If setting S5 were set in low level, both V_TTand V_TTREFwill be

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



FEATURES

* Input Voltage Range:3~5.5V

* V_LDOINVoltage Range:1.2V~3.6V

* DDR1/2/3 Termination Voltage Applications

* Sourcing and Sinking Current up to 3A

* ±20mV Accuracy for V_TTand V_TTREF

* 10mA Buffered Reference(V_TTREF

)

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

* Integrated Divider Tracks 1/2 V_DDQSNSfor Both V_TT&V_TTREF

* Built-In Soft-Start

* Current Limiting Protection

* Thermal Shutdown Protection



ORDERING INFORMATION

Ordering Number

Package

Packing

Lead Free

Halogen Free

UR5517L-SM1-R

UR5517L-HM1-R

UR5517L-SM2-R

UR5517L-HM2-R

UR5517G-SM1-R

UR5517G-HM1-R

UR5517G-SM2-R

UR5517G-HM2-R

MSOP-8

HMSOP-8

MSOP-10

HMSOP-10

Tape Reel

www.unisonic.com.tw

1 of 9

QW-R102-041.H

12 3 4 5 6 7...9

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