FDMS8680 datasheet(4/34 Pages) TI1

4 / 34 page

TPS51916

SLUSAE1D – DECEMBER 2010 – REVISED JUNE 2012

www.ti.com

ELECTRICAL CHARACTERISTICS

over operating free-air temperature range, VV5IN = 5 V, VLDOIN is connected to VDDQ output, VMODE= 0 V, VS3= VS5= 5 V

(unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

IV5IN(S0)

V5IN supply current, in S0

TA = 25°C, No load, VS3 = VS5 = 5 V

590

μA

IV5IN(S3)

V5IN supply current, in S3

TA = 25°C, No load, VS3 = 0 V, VS5 = 5 V

500

μA

IV5INSDN

V5IN shutdown current

TA = 25°C, No load, VS3 = VS5 = 0 V

μA

IVLDOIN(S0)

VLDOIN supply current, in S0

TA = 25°C, No load, VS3 = VS5 = 5 V

μA

IVLDOIN(S3)

VLDOIN supply current, in S3

TA = 25°C, No load, VS3 = 0 V, VS5 = 5 V

μA

IVLDOINSDN

VLDOIN shutdown current

TA = 25°C, No load, VS3 = VS5 = 0 V

μA

VREF OUTPUT

IVREF = 30 μA, TA = 25°C

1.8000

VVREF

Output voltage

μA ≤ IVREF <300 μA, TA = –10°C to 85°C

1.7856

1.8144

μA ≤ IVREF <300 μA, TA = –40°C to 85°C

1.7820

1.8180

IVREFOCL

Current limit

VVREF = 1.7 V

0.4

0.8

VTTREF OUTPUT

VVTTREF

Output voltage

VVDDQSNS/2

|IVTTREF| <100 μA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V

49.2%

50.8%

VVTTREF

Output voltage tolerance to VVDDQ

|IVTTREF| <10 mA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V

49%

51%

IVTTREFOCLSRC

Source current limit

VVDDQSNS = 1.8 V, VVTTREF= 0 V

IVTTREFOCLSNK

Sink current limit

VVDDQSNS = 1.8 V, VVTTREF = 1.8 V

IVTTREFDIS

VTTREF discharge current

TA = 25°C, VS3 = VS5 = 0 V, VVTTREF = 0.5 V

0.8

1.3

VTT OUTPUT

VVTT

Output voltage

VVTTREF

|IVTT| ≤ 10 mA, 1.2 V ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A

–20

|IVTT| ≤ 1 A, 1.2 ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A

–30

VVTTTOL

Output voltage tolerance to VTTREF

|IVTT| ≤ 2 A, 1.4 V ≤ VVDDQSNS ≤ 1.8 V, IVTTREF= 0 A

–40

|IVTT| ≤ 1.5 A, 1.2 V ≤ VVDDQSNS ≤ 1.4 V, IVTTREF= 0 A

–40

IVTTOCLSRC

Source current limit

VVDDQSNS = 1.8 V, VVTT = VVTTSNS = 0.7 V, IVTTREF= 0 A

IVTTOCLSNK

Sink current limit

VVDDQSNS = 1.8V, VVTT = VVTTSNS = 1.1 V, IVTTREF= 0 A

IVTTLK

Leakage current

TA = 25°C , VS3 = 0 V, VS5 = 5 V, VVTT = VVTTREF

IVTTSNSBIAS

VTTSNS input bias current

VS3 = 5 V, VS5 = 5 V, VVTTSNS = VVTTREF

–0.5

0.0

0.5

μA

IVTTSNSLK

VTTSNS leakage current

VS3 = 0 V, VS5 = 5 V, VVTTSNS = VVTTREF

–1

TA = 25°C, VS3 = VS5 = 0 V, VVDDQSNS = 1.8 V,

IVTTDIS

VTT Discharge current

7.8

VVTT = 0.5 V, IVTTREF= 0 A

VDDQ OUTPUT

VVDDQSNS

VDDQ sense voltage

VREFIN

VDDQSNS regulation voltage

VVDDQSNSTOL

TA = 25°C

–3

tolerance to REFIN

IVDDQSNS

VDDQSNS input current

VVDDQSNS = 1.8 V

μA

IREFIN

REFIN input current

VREFIN = 1.8 V

–0.1

0.0

0.1

μA

VS3 = VS5 = 0 V, VVDDQSNS = 0.5 V, MODE pin pulled

IVDDQDIS

VDDQ discharge current

down to GND through 47k

Ω (Non-tracking)

VS3 = VS5 = 0 V, VVDDQSNS = 0.5 V, MODE pin pulled

IVLDOINDIS

VLDOIN discharge current

1.2

down to GND through 100k

Ω (Non-tracking)

SWITCH MODE POWER SUPPLY (SMPS) FREQUENCY

VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 100 kΩ

300

VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 200 kΩ

400

fSW

VDDQ switching frequency

kHz

VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 1 kΩ

500

VIN = 12 V, VVDDQSNS = 1.8 V, RMODE = 12 kΩ

670

tON(min)

Minimum on time

DRVH rising to falling(1)

tOFF(min)

Minimum off time

DRVH falling to rising

200

320

450

(1)

Ensured by design. Not production tested.

Submit Documentation Feedback

FDMS8680 Datasheet(PDF) 4 Page - Texas Instruments

FDMS8680 Datasheet(HTML) 4 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 28 29 30 31 32 33 34

Datasheet Download

Link URL