DATASHEET TABLE OF CONTENTS

ENVIRONMENTAL AND ABSOLUTE MAXIMUM RATINGS

PTH04T240F

ORDERING INFORMATION

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

the TI website at www.ti.com.

DATASHEET SECTION

PAGE NUMBER

ENVIRONMENTAL AND ABSOLUTE MAXIMUM RATINGS

3

ELECTRICAL CHARACTERISTICS TABLE (PTH04T240F)

4

TERMINAL FUNCTIONS

6

7

8

ADJUSTING THE OUTPUT VOLTAGE

9

INPUT & OUTPUT CAPACITOR RECOMMENDATIONS

11

TURBOTRANS™ INFORMATION

15

UNDERVOLTAGE LOCKOUT (UVLO)

19

SOFT-START POWER-UP

20

OUTPUT ON/OFF INHIBIT

21

SYCHRONIZATION (SMARTSYNC)

22

OVER-CURRENT PROTECTION

23

OVER-TEMPERATURE PROTECTION

23

REMOTE SENSE

23

AUTO-TRACK SEQUENCING

24

PREBIAS START-UP

27

TAPE & REEL DRAWING

28

SHIPPING TRAY DRAWING

29

(Voltages are with respect to GND)

UNIT

Track pin voltage

V

–40 to 85

Surface temperature of module body or

Wave soldering temperature

suffix AD

260

pins for 5 seconds maximum.

°C

suffix AS

Surface temperature of module body or

Solder reflow temperature

pins

suffix AZ

Storage temperature

Mechanical shock

Per Mil-STD-883D, Method 2002.3 1 msec, 1/2 sine, mounted

500

Mil-STD-883D, Method 2007.2 20-2000

suffix AD

20

G

Mechanical vibration

Hz

suffix AS & AZ

15

Weight

3.8

grams

Flammability

Meets UL94V-O

(1)

During reflow of surface mount package version do not elevate peak temperature of the module, pins or internal components above the

stated maximum.

(2)

The shipping tray or tape and reel cannot be used to bake parts at temperatures higher than 65°C.

Copyright © 2008, Texas Instruments Incorporated

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3

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