TPS25821 datasheet(5/35 Pages) TI1

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TPS25820, TPS25821

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SLVSE24 – NOVEMBER 2017

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(1)

For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application

report.

6.4 Thermal Information

THERMAL METRIC(1)

TPS25820,

TPS25821

UNIT

DSS (WSON)

12 PINS

RθJA

Junction-to-ambient thermal resistance

57.7

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

53.7

°C/W

RθJB

Junction-to-board thermal resistance

24.1

°C/W

ψJT

Junction-to-top characterization parameter

1.6

°C/W

ψJB

Junction-to-board characterization parameter

24.1

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

7.4

°C/W

(1)

Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must be taken into account

separately.

6.5 Electrical Characteristics

–40°C

≤ TJ ≤ 125°C, 4.5 V ≤ VIN ≤ 5.5 V, VEN = VCHG = VIN, RREF = 100 kΩ. Typical values are at 25°C. All voltages are with

respect to GND. IOUT and IOS defined positive out of the indicated pin (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUT - POWER SWITCH

RDS(on)

On resistance(1)

TJ = 25°C, IOUT = 1.5 A

mΩ

–40°C

≤ TJ ≤ 85°C, IOUT = 1.5 A

–40°C

≤ TJ ≤ 125°C, IOUT = 1.5 A

IREV

OUT to IN reverse leakage current

VOUT = 5.5 V, 0 ≤ VIN ≤ 5.5 V, VEN = 0 V,

–40°C

≤ TJ ≤ 85°C, measure IIN

µA

OUT - CURRENT LIMIT

IOS

Short circuit current limit (1)

1.6

1.72

1.84

RREF = 10 Ω

4.0

OUT - DISCHARGE

Discharge resistance

VOUT = 4 V

400

500

600

Bleed discharge resistance

VOUT = 4 V, No Sink termination on CC

lines, time > tw_OUT_DCHG

150

250

kΩ

VTH

Rising threshold for not

discharged

800

REF

IOS

Short circuit current

RREF = 10 Ω

9.5

17.5

µA

Output voltage

0.78

0.8

0.82

FAULT

VOL

Output low voltage

I FAULT = 1 mA

250

IOFF

Off-state leakage

V FAULT = 5.5 V

µA

CC1/CC2 - VCONN POWER SWITCH (TPS25820)

RDS(on)

On resistance

TJ = 25°C, ICCx = 250 mA

480

530

mΩ

-40°C

≤ TJ ≤ 85°C, ICCx = 250 mA

480

645

-40°C

≤ TJ ≤ 125°C, ICCx = 250 mA

480

755

CC1/CC2 - VCONN POWER SWITCH - CURRENT LIMIT (TPS25820)

IOS

Short circuit current limit(1)

315

370

425

RREF = 10 Ω

1000

TPS25821 Datasheet(PDF) 5 Page - Texas Instruments

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