FDMS8680 datasheet(5/27 Pages) TI1

5 / 27 page

TPS51218

www.ti.com

SLUS935B

– MAY 2009 – REVISED FEBRUARY 2012

ELECTRICAL CHARACTERISTICS (continued)

over recommended free-air temperature range, V5IN=5V. (Unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

PROTECTION: CURRENT SENSE

ITRIP

TRIP source current

VTRIP = 1V, TA = 25°C

μA

TRIP current temperature

TCITRIP

On the basis of 25

°C

4700

ppm/

°C

coeffficient

Current limit threshold setting

VTRIP

VTRIP-GND Voltage

0.2

range

VTRIP = 3.0 V

355

375

395

VOCL

Current limit threshold

VTRIP = 1.6 V

185

200

215

VTRIP = 0.2 V

VTRIP = 3.0 V

–395

–375

–355

VOCLN

Negative current limit threshold

VTRIP = 1.6 V

–215

–200

–185

VTRIP = 0.2 V

–33

–25

–17

Positive

Adaptive zero cross adjustable

VAZCADJ

range

Negative

–15

–3

PROTECTION: UVP AND OVP

VOVP

OVP trip threshold

OVP detect

115%

120%

125%

tOVPDEL

OVP propagation delay time

50-mV overdrive

μs

VUVP

Output UVP trip threshold

UVP detect

65%

70%

75%

Output UVP propagation delay

tUVPDEL

0.8

1.2

time

tUVPEN

Output UVP enable delay time

From Enable to UVP workable

1.0

1.2

1.4

UVLO

Wake up

4.20

4.38

4.50

VUVV5IN

V5IN UVLO threshold

Shutdown

3.7

3.93

4.1

THERMAL SHUTDOWN

Shutdown temperature (3)

145

TSDN

Thermal shutdown threshold

°C

Hysteresis(3)

(3)

Ensured by design. Not production tested.

Submit Documentation Feedback

Product Folder Link(s): TPS51218

FDMS8680 Datasheet(PDF) 5 Page - Texas Instruments

FDMS8680 Datasheet(HTML) 5 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27

Datasheet Download

Link URL