TL-SCSI285PWLE

更新时间： 2024-11-05 13:14:51

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
12页	434K
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TL-SCSI285PWLE 数据手册

TL-SCSI285

FIXED-VOLTAGE REGULATORS

FOR SCSI ACTIVE TERMINATION

SLVS065F – NOVEMBER 1991 – REVISED JULY 1999

PW PACKAGE

(TOP VIEW)

Fully Matches Parameters for SCSI

Alternative 2 Active Termination

Fixed 2.85-V Output

±1% Maximum Output Tolerance at

HEAT

SINK

HEAT

SINK

T = 25°C

0.7-V Maximum Dropout Voltage

620-mA Output Current

GND

OUTPUT

GND

INPUT

±2% Absolute Output Variation

Internal Overcurrent-Limiting Circuitry

Internal Thermal-Overload Protection

Internal Overvoltage Protection

HEAT

SINK

HEAT

SINK

HEAT SINK – These terminals have

an internal resistive connection to

ground and should be grounded or

electrically isolated.

description

The TL-SCSI285 is

a low-dropout (0.7-V)

fixed-voltage regulator specifically designed for

small computer systems interface (SCSI)

alternative 2 active signal termination. The

TL-SCSI285 0.7-V maximum dropout ensures

compatibility with existing SCSI systems, while

providing a wide TERMPWR voltage range. At the

same time, the ±1% initial tolerance on its 2.85-V

output voltage ensures a tighter line-driver current

tolerance, thereby increasing the system noise

margin.

KC PACKAGE

(TOP VIEW)

OUTPUT

GND

INPUT

The GND terminal is in electrical

contact with the mounting base.

The fixed 2.85-V output voltage of the TL-SCSI285 supports the SCSI alternative 2 termination standard, while

reducing system power consumption. The 0.7-V maximum dropout voltage brings increased TERMPWR

isolation, making the device ideal for battery-powered systems. The TL-SCSI285, with internal current limiting,

overvoltage protection, ESD protection, and thermal protection, offers designers enhanced system protection

and reliability.

When configured as a SCSI active terminator, the TL-SCSI285 low-dropout regulator eliminates the 220-Ω and

the330-Ωresistorsrequiredforeachtransmissionlinewithapassiveterminationscheme, reducingsignificantly

the continuous system power drain. When placed in series with 110-Ω resistors, the device matches the

impedance level of the transmission cable and eliminates reflections.

The TL-SCSI285 is characterized for operation over the virtual junction temperature range of 0°C to 125°C.

AVAILABLE OPTIONS

PACKAGED DEVICES

CHIP

PLASTIC

POWER

(KC)

SURFACE

MOUNT

(PW)

FORM

(Y)

0°C to 125°C TL-SCSI285KC

TL-SCSI285PWR

TL-SCSI285Y

The PW package is only available taped and reeled. Chip forms are tested

at 25°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...12

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与TL-SCSI285PWLE相关器件

型号	品牌	获取价格	描述	数据表
TL-SCSI285PWR	TI	获取价格	FIXED-VOLTAGE REGULATORS FOR SCSI ACTIVE TERMINATION
TL-SCSI285PWRE4	TI	获取价格	FIXED-VOLTAGE REGULATORS FOR SCSI ACTIVE TERMINATION
TL-SCSI285PWRG4	TI	获取价格	FIXED-VOLTAGE REGULATORS FOR SCSI ACTIVE TERMINATION
TL-SCSI285Y	TI	获取价格	FIXED-VOLTAGE REGULATORS FOR SCSI ACTIVE TERMINATION
TLSD-03-D-02.00-01-F-N	SAMTEC	获取价格	Cable Assembly
TLSD-03-D-02.00-01-F-RW	SAMTEC	获取价格	Cable Assembly
TLSD-03-D-02.00-01-L-O	SAMTEC	获取价格	Cable Assembly
TLSD-03-D-02.00-01-L-R	SAMTEC	获取价格	Cable Assembly
TLSD-03-D-02.00-01-L-RN1	SAMTEC	获取价格	Cable Assembly
TLSD-03-D-02.00-01-L-SR	SAMTEC	获取价格	Cable Assembly

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