TPS53014DGS datasheet(5/25 Pages) TI2

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TPS53014

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SLVSBF1A – MAY 2012 – REVISED FEBRUARY 2019

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(1)

Ensured by design. Not production tested.

6.4 Electrical Characteristics

over recommended free-air temperature range, VIN = 12 V (unless otherwise noted)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

IIN

VIN Supply current

VIN current, TA = 25°C, EN = 5V, VVFB = 0.8V,

VSW = 0 V

660

μA

IVINSDN

VIN Shutdown current

VIN current, TA = 25°C, No Load , VEN = 0V,

VREG5 = OFF

6.0

μA

VFB VOLTAGE and DISCHARGE RESISTANCE

VVFBTHL

VFB Threshold voltage

TA = 25°C , VOUT = 1.05 V

765.3

773.0

780.7

TCVFB

VFB Temperature coefficient

Relative to TA = 25°C

(1)

-140

140

ppm/°C

IVFB

VFB Input current

VFB = 0.8V, TA = 25°C

-150

-10

100

VREG5 OUTPUT

VVREG5

VREG5 Output voltage

TA=25°C, 6 V < VIN < 28 V, IVREG5 = 5 mA

5.1

IVREG5

Output current

VIN = 5.5V, VVREG5 = 4.0V, TA = 25°C

120

OUTPUT: N-CHANNEL MOSFET GATE DRIVERS

RDRVH

DRVH resistance

Source, IDRVH = –50mA, TA = 25°C

3.2

4.7

Ω

Sink, IDRVH = 50mA, TA = 25°C

1.4

2.4

RDRVL

DRVL resistance

Source, IDRVL = –50mA, TA = 25°C

6.9

8.2

Ω

Sink, IDRVL = 50mA, TA = 25°C

0.8

1.7

Dead time

DRVH-low to DRVL-on(1)

DRVL-low to DRVH-on(1)

INTERNAL BOOST DIODE

VFBST

Forward voltage

VVREG5-VBST, IF = 10mA, TA = 25°C

0.1

0.2

SOFT START

Issc

SS Charge current

VSS = 0V , TA = 25°C

-7.36

-6.4

-5.44

μA

Issd

SS Discharge current

VSS = 0.5V , TA = 25°C

4.5

5.0

TCISSC

ISSC Temperature coefficient

Relative to TA = 25°C

-4.5

4.5

nA/°C

UVLO

VUVVREG5

VREG5 UVLO threshold

VREG5 Rising

4.0

Hysteresis

0.3

LOGIC THRESHOLD

VENH

EN H-level threshold voltage

1.6

VENL

EN L-level threshold voltage

0.5

REN

EN pin resistance to GND

VEN = 12 V

225

450

900

kΩ

CURRENT SENSE

ITRIP

TRIP Source current

VDRVL = 0.1V, TA = 25°C

14.3

15.8

μA

TCVTRIP

VTRIP Temperature coefficient

Relative to TA = 25°C

4000

ppm/°C

VOCL

Current limit threshold

RTRIP = 75kΩ, TA = 25°C

234

336

424

RTRIP = 27kΩ, TA = 25°C

121

174

220

RTRIP = 6.8kΩ, TA = 25°C

ON-TIME TIMER CONTROL

TON

On time

VOUT = 1.05 V

(1)

250

TOFF(MIN)

Minimum off time

VIN = 4.5 V, VVFB = 0.7 V, TA = 25°C

230

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