7

TPS40077

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SLUS714E – JANUARY 2007 – REVISED JUNE 2019

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Copyright © 2007–2019, Texas Instruments Incorporated

Electrical Characteristics (continued)

TA = –40°C to 85°C, VIN = 12 Vdc, RT = 90.9 kΩ, IKFF = 300 μA, fSW = 500 kHz, and all parameters at zero power dissipation

(unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

OUTPUT DRIVERS

tHFALL

High-side driver fall time (HDRV – SW)(1)

CHDRV = 2200 pF

36

ns

tHRISE

High-side driver rise time (HDRV – SW)(1)

48

ns

tHFALL

High-side driver fall time (HDRV – SW)(1)

CHDRV = 2200 pF, VVDD = 4.5 V,

0.2 V

≤ VSS ≤ 4 V

72

ns

tHRISE

High-side driver rise time (HDRV – SW)(1)

96

ns

tLFALL

Low-side driver fall time(1)

CLDRV = 2200 pF

24

ns

tLRISE

Low-side driver rise time(1)

48

ns

tLFALL

Low-side driver fall time(1)

CLDRV = 2200 pF, VVDD = 4.5 V,

0.2 V

≤ VSS ≤ 4 V

48

ns

tLRISE

Low-side driver rise time(1)

96

ns

VOH

High-level output voltage, HDRV

(VBOOST – VHDRV)

IHDRV = –0.01 A

0.7

1

V

IHDRV = –0.1 A

0.95

1.3

VOL

Low-level output voltage, HDRV (VHDRV – VSW)

IHDRV = 0.01A

0.06

0.1

V

IHDRV = 0.1 A

0.65

1

VOH

High-level output voltage, LDRV

(VDBP – VLDRV)

ILDRV= –0.01A

0.65

1

V

ILDRV = –0.1 A

0.875

1.2

VOL

Low-level output voltage, LDRV

ILDRV = 0.01 A

0.03

0.05

V

ILDRV = 0.1 A

0.3

0.5

VBOOST

Output voltage

VDD = 12 V

15.2

17

V

UVLO

VUVLO

Programmable UVLO threshold voltage

RKFF = 90.9 kΩ, turn-on, VVDD rising

6.2

7.2

8.2

V

Programmable UVLO hysteresis

RKFF = 90.9 kΩ

1.1

1.55

2

V

Fixed UVLO threshold voltage

Turn-on, VVDD rising

4.15

4.3

4.45

V

Fixed UVLO hysteresis

275

365

mV

POWER GOOD

VPG

Power-good voltage

IPG = 1 mA

370

500

mV

VOH

High-level output voltage, FB

770

mV

VOL

Low-level output voltage, FB

630

mV

THERMAL SHUTDOWN

Shutdown temperature threshold(1)

165

°C

Hysteresis(1)

15

°C