TPS53015DGS datasheet(3/21 Pages) TI

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TPS53015

www.ti.com

SLVSBF0B – JULY 2012 – REVISED AUGUST 2012

THERMAL INFORMATION

TPS53015

THERMAL METRIC(1)

UNITS

DGS (10 PINS)

θJA

Junction-to-ambient thermal resistance

172.2

θJCtop

Junction-to-case (top) thermal resistance

44.0

θJB

Junction-to-board thermal resistance

93.0

°C/W

ψJT

Junction-to-top characterization parameter

1.6

ψJB

Junction-to-board characterization parameter

91.4

θJCbot

Junction-to-case (bottom) thermal resistance

n/a

(1)

For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.

RECOMMENDED OPERATING CONDITIONS

MIN

MAX

UNIT

Supply input voltage range

VIN

4.5

VBST

–0.1

33.5

VBST - SW

–0.1

5.5

Input voltage range

VFB

–0.1

5.5

–0.1

–1.0

DRVH

–1.0

33.5

DRVH - SW

–0.1

5.5

Output Voltage range

DRVL, VREG5, PG

–0.1

5.5

PGND

–0.1

0.1

Operating free-air temperature

–40

°C

Operating junction temperature

–40

125

°C

ELECTRICAL CHARACTERISTICS

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

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY CURRENT

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

660

IIN

VIN Supply current

μA

VSW = 0 V

IVINSDN

VIN Shutdown current

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

6.0

μA

VREG5 = OFF

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

Source, IDRVH = –50mA, TA = 25°C

3.2

4.7

RDRVH

DRVH resistance

Ω

Sink, IDRVH = 50mA, TA = 25°C

1.4

2.4

Source, IDRVL = –50mA, TA = 25°C

6.9

8.2

RDRVL

DRVL resistance

Ω

Sink, IDRVL = 50mA, TA = 25°C

0.8

1.7

DRVH-low to DRVL-on(1)

Dead time

DRVL-low to DRVH-on(1)

(1)

Ensured by design. Not production tested.

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