TPS22981RGPR datasheet(6/27 Pages) TI1

6 / 27 page

TPS22981

SLVSBM6B – DECEMBER 2012 – REVISED NOVEMBER 2015

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Electrical Characteristics (continued)

Unless otherwise noted the specification applies over the VDD range and operating junction temp –40°C ≤ TJ ≤ 85°C. Typical

values are for V3P3 = 3.3 V, VHV = 15 V, and TJ = 25°C.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TRANSITION DELAYS

T3P3OFF

VHV to V3P3 OFF-time

COUT = 1.1 µF, EN = 1, HV_EN = 1→0

T0-3.3V

0-V to 3.3-V ramp time

COUT ≤ 20 pF

T3.3V-VHV

3.3-V to VHV ramp time

COUT ≤ 20 pF

TVHV-3.3V

VHV to 3.3-V ramp time

COUT ≤ 20 pF

TLIM

Overcurrent response time

COUT ≤ 20 pF, IOUT = 6 A

0.5

6.6 Dissipation Ratings

PACKAGE

POWER RATING(1)

DERATING FACTOR ABOVE(2)

TA = 25°C

TA = 70°C

TA = 25°C

RGP

2.16 W

1.02 W

25.4 mW/°C

(1)

Simulated with high-K board

(2)

Maximum power dissipation is a function of TJ(max), θJA and TA. The maximum allowable power dissipation at any allowable ambient

temperature is PD = (TJ(max) – TA) / θJA.

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