TPS79425 datasheet(3/15 Pages) TI

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ABSOLUTE MAXIMUM RATINGS

PACKAGE DISSIPATION RATINGS

θJA

SOT223

4in2 Top Side Only

0.5in2 Top Side Only

°C/W

110

°C/W

CONDITIONS

PACKAGE

PCB AREA

Condition 1

Condition 2

100

125

150

TA (°C)

TPS79401, TPS79418

TPS79425, TPS79428

TPS79430, TPS79433

SLVS349D – NOVEMBER 2001 – REVISED OCTOBER 2004

over operating temperature range unless otherwise noted(1)

VALUE

VIN range

-0.3 V to 6 V

VEN range

-0.3 V to VIN + 0.3 V

VOUT range

-0.3 V to 6 V

Peak output current

Internally limited

ESD rating, HBM

2 kV

ESD rating, CDM

500 V

Continuous total power dissipation

See Dissipation Ratings Table

Junction temperature range, TJ

-40

°C to 150°C

Storage temperature range, Tstg

-65

°C to 150°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.

AIR FLOW

TA ≤ 25°C

TA = 70°C

TA = 85°C

PACKAGE

RθJC(°C/W)

RθJA(°C/W)

(CFM)

POWER RATING

8.47

55.09

2.27 W

1.45 W

1.18 W

DGN

150

8.21

49.97

2.50 W

1.60 W

1.30 W

250

8.20

48.10

2.60 W

1.66 W

1.35 W

Figure 1. SOT223 Power Dissipation

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