TPS274C65CP_V02 datasheet(9/39 Pages) TI1

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6.5 Electrical Characteristics (continued)

VVS = 11 V to 36 V, VVDD = 3.0 V to 5.5 V, TJ = –40°C to 125°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ICL_PK1

CHx Peak current

enabling into permanent

short

TJ = -40°C to 125°C, VS

= 24V

Settting = 1.0A

2.80

ICL_PK2

CHx Peak current

threshold when short

is applied while switch

enabled

TJ = -40°C to 125°C

VS = 24V, Minimum

inductance = 2.2 uH

Settting = 1.0A

FAULT CHARACTERISTICS

IWB_OFF

Off State Wirebreak or

Open-load (OL) detection

internal pullup current

Switch disabled, DIAG_EN = HIGH

µA

VWB_OFF_T

Off state WireBreak

(WB) or Open-load (OL)

detection voltage

Channel Disabled, off-state wire-break diagnostics

enabled

5.6

6.5

TABS

Thermal shutdown

160

185

210

°C

THYS

Thermal shutdown

hysteresis

°C

Vol_FLT

Fault low-output voltage

IFLT = 2 mA, sink current into the pin

0.4

tRETRY

Retry time

Time from thermal shutdown until switch re-enable.

0.6

DIGITAL INPUT PIN CHARACTERISTIC

VIH, DIG

DIG pin Input voltage

high-level

3.0 V ≤ VDD ≤ 5.5 V

0.7 ×

VVDD

VIL, DIG

DIG pin Input voltage

low-level

3.0 V ≤ VDD ≤ 5.5 V

0.3 ×

VVDD

RREG_EN

Internal pullup resistance

for REG_EN pin

MΩ

RDIGx

Internal pulldown resistor

0.7

2.0

MΩ

IIH, DIG

Input current high-level

VDIG = 5 V

µA

DIGITAL OUTPUT PIN CHARACTERISTICS

VOL_ST

Output Logic Low Voltage ST Pin current = –4 mA

0.4

6.6 Switching Characteristics

VS = 6 V to 36 V, TJ = –40°C to +125°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tDR

CHx Turnon delay time

VS = 24 V, RL = 48 Ω 50% of EN to

10% of VOUT

µs

tDF

CHx Turnoff delay time

VS = 24 V, RL = 48 Ω 50% of EN to

90% of VOUT

µs

SR2R

VOUTx rising slew rate

VS = 24 V, 25% to 75% of VOUT,

RL = 48 Ω,

1.6

2.2

V/µs

SR2F

VOUTx falling slew rate

VS = 24 V, 75% to 25% of VOUT,

RL = 48 Ω,

1.4

1.8

V/µs

fmax

Maximum PWM frequency

kHz

tON

CHx Turnon time

VS = 24 V, RL = 48 Ω 50% of EN to

90% of VOUT

µs

tOFF

CHx Turnoff time

VS = 24 V, RL = 48 Ω 50% of EN to

10% of VOUT

µs

tON - tOFF

CHx Turnon and off matching

1ms ON time switch enable

pulse VBB = 24 V, RL = 48 Ω

–41

–7

µs

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TPS274C65CP

SLVSH35A – OCTOBER 2023 – REVISED FEBRUARY 2024

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