TPS2480PW datasheet(5/60 Pages) TI2

5 / 60 page

TPS2480

TPS2481

www.ti.com

SLUS939B – APRIL 2010 – REVISED DECEMBER 2010

ELECTRICAL CHARACTERISTICS (continued)

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Power Good Output (PG)

IPG = 2 mA

0.1

0.25

VPG_L

Low voltage (sinking)

IPG = 4 mA

0.25

0.5

PG threshold voltage; VOUT

VPGTL

VSENSE = VVCC; measure V(VCC-OUT)

0.8

1.25

1.7

rising; PG goes open drain

PG threshold voltage; VOUT

VPGTH

VSENSE = VVCC; measure V(VCC-OUT)

2.2

2.7

3.2

falling; PG goes low

PG threshold hysteresis

VHYST_PG

VSENSE = VVCC

1.4

voltage; V(SENSE-OUT)

PG deglitch delay; detection

tDPG

to output; rising and falling

VSENSE = VVCC

edges

Leakage current; PG false;

open drain

Output Voltage Feedback Input (OUT)

VOUT = VVCC, VEN = Hi; sinking

IOUT

Bias current

VOUT = GND; VEN = Lo; sourcing

Enable Input (EN)

VEN_H

Threshold VEN going high

1.32

1.35

1.38

VEN_L

Threshold VEN going low

1.20

1.25

1.30

VEN hysteresis

100

Leakage current

VEN = 30 V

Input Supply UVLO (VCC)

VVCC turn on

Rising

8.4

8.8

VVCC turn off

Falling

7.2

8.3

Hysteresis

Digital Inputs (SDA in input mode, SCL, A0, A1 )

CIN

Input capacitance

ILEAKAGE

Input leakage current

0 < VIN < VS

0.1

VIN HI

Logic Hi input level

0.7(VS)

VINLO

Logic low input level

-0.3

0.3(VS)

VHYS

Hysteresis

0.5

Open Drain Digital Output (SDA)

VLO

SDA Low Output

Sinking 5 mA

0.15

0.4

ILEAKAGE

High level leakage current

VOUT = VS

0.1

1.0

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