TPS51020

SLUS564B − JULY 2003 − REVISED DECEMBER 2003

2

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ABSOLUTE MAXIMUM RATINGS

Over operating free-air temperature range unless otherwise noted. All voltage values are with respect to the network ground terminal unless

otherwise noted. (1)

TPS51020

UNIT

VBST1, VBST2

−0.3 to 35

Input voltage range

VBST1, VBST2 (with respect to LL )

−0.3 to 7

Input voltage range

VIN, TRIP1, TRIP2, ENBL1, ENBL2, DDR

−0.3 to 30

SKIP, INV1, INV2

−0.3 to 7

OUT1_U, OUT2_U

−1 to 35

OUT1_U, OUT2_U (with respect to LL )

−0.3 to 7

V

LL1, LL2

−1 to 30

V

Ouput voltage range

REF_X

−0.3 to 15

Ouput voltage range

PGOOD, VO1_VDDQ, VO2, OUT1_D, OUT2_D, COMP1, COMP2, VREG5,

SSTRT1, SSTRT2

−0.3 to 7

OUTGND1, OUTGND2

−0.3 to 0.3

Output current range

VREG5

70

mA

Output current range

REF_X

7

mA

Operating free-air temperature range, TA

−40 to 85

Storage temperature range, Tstg

−55 to 150

°C

Junction temperature range, TJ

−40 to 125

°C

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds

300

RECOMMENDED OPERATING CONDITIONS

MIN

TYP

MAX

UNIT

Supply voltage, VIN

4.5

28

Supply voltage, VBST1, VBST2

4.5

33

ENBL1, ENBL2, DDR, TRIP1, TRIP2

−0.1

28

OUT1_U, OUT2_U

−0.8

33

OUT1_U, OUT2_U (with respect to LL )

−0.1

5.5

LL1, LL2

−0.8

28

V

I/O Voltage

REF_X

−0.1

12

V

I/O Voltage

SSTRT1, SSTRT2, COMP1, COMP2

−0.1

5.5

SKIP, INV1, INV2

−0.1

5.5

PGOOD VO1_VDDQ, VO2

−0.1

5.5

OUT1_D, OUT2_D, VREG5

−0.1

5.5

Source current

VREG5

60

mA

Source current

REF_X

5

mA

Operating free-air temperature, TA

−40

85

°C

(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only,

and functional operation of the device at these or any other conditions beyond those indicated under ”recommended operating conditions” is

not implied. Exposure to Absolute Maximum Rated conditions for extended periods may affect device reliability

DISSIPATION RATING TABLE

PACKAGE

TA < 25°C

POWER RATING

DERATING

FACTOR ABOVE TA = 25°C

TA = 85°C

POWER RATING

30-pin DBT

874 mW

7.0 mW/

°C

454 mW