SLMA002 datasheet(2/55 Pages) TI1

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DEVICE RATINGS

ABSOLUTE MAXIMUM RATINGS

(1)

RECOMMENDED OPERATING CONDITIONS

ELECTROSTATIC DISCHARGE (ESD) PROTECTION

PACKAGE DISSIPATION RATINGS

(1) (2) (3)

TPS54283,, TPS54286

SLUS749C – JULY 2007 – REVISED OCTOBER 2007

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

ORDERING INFORMATION(1)

PART NUMBER

OPERATING FREQUENCY (kHz)

PACKAGE

MEDIA

UNITS (Pieces)

TPS54283PWP

Tube

300

TPS54283PWPR

Tape and Reel

2000

Plastic 14-Pin HTSSOP

TPS54286PWP

Tube

600

TPS54286PWPR

Tape and Reel

2000

(1)

For the most current package and ordering information see the Package Option Addendum at the end of this document, or see the TI

web site at www.ti.com.

VALUE

UNIT

PVDD1, PVDD2, EN1, EN2

BOOT1, BOOT2

VSW+ 7

SW1, SW2

–2 to 30

Input voltage range

SW1, SW2 transient (< 50ns)

–3 to 31

6.5

SEQ, ILIM2

–0.3 to 6.5

FB1, FB2

–0.3 to 3

SW1, SW2 output current

BP load current

Tstg

Storage temperature

–55 to +165

Operating temperature

–40 to +150

°C

Soldering temperature

+260

(1)

Permanent device damage may occur if Absolute Maximum Ratings are exceeded. Functional operation should be limited to the

Recommended DC Operating Conditions detailed in this data sheet. Exposure to conditions beyond the operational limits for extended

periods of time may affect device reliability.

MIN

MAX

UNIT

VPVDD2

Input voltage

4.5

Operating junction temperature

–40

+125

°C

MIN

UNIT

Human body model

CDM

1.5k

Machine Model

250

THERMAL IMPEDANCE

JUNTION-TO-THERMAL PAD

TA = +25°C, NO AIR FLOW

TA = +85°C, NO AIR FLOW

PACKAGE

(

°C/W)

POWER RATING (W)

Plastic 14-Pin HTSSOP (PWP)

2.07(4)

1.6

1.0

(1)

For more information on the PWP package, refer to TI Technical Brief (SLMA002A).

(2)

TI device packages are modeled and tested for thermal performance using printed circuit board designs outlined in JEDEC standards

JESD 51-3 and JESD 51-7.

(3)

For application information, see the Power Derating section.

(4)

TJ-A = +40°C/W

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Product Folder Link(s): TPS54283 TPS54286

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