259481A Marking, TPS259481AYWPR datasheet(8/56 Pages) TI

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7.4 Electrical Characteristics (continued)

(Test conditions unless otherwise noted) –40°C ≤ TJ ≤ 125°C, VIN = 12 V, OUT = Open, VEN/UVLO = 2 V, VOVLO = 0 V, RILM

= 536 Ω , dVdT = Open, ITIMER = Open, SPLYGD/SPLYGD = Open, FLT = Open for TPS259480x, RCBCTRL = Open for

TPS259481x/2x. All voltages referenced to GND.

Test

Parameter

Description

MIN

TYP

MAX

UNITS

RFLTB

FLT pin internal pull-down resistance, TPS259480x variants

only

11.8

IRCBCTRL

RCBCTRL pin internal pull-up current, TPS259481x/2x

variants only

µA

VIH,RCBCTRL

RCBCTRL pin logic high detection threshold,

TPS259481x/2x variants only

1.09

1.15

1.2

VIL,RCBCTRL

RCBCTRL pin logic low detection threshold, TPS259481x/2x

variants only

1.0

1.11

OVERTEMPERATURE PROTECTION (OTP)

TSD

Thermal shutdown rising threshold, TJ rising

154

°C

TSDHYS

Thermal shutdown hysteresis, TJ falling

°C

SLEW RATE CONTROL (DVDT)

Idvdt

dVdt pin charging current

2.6

5.3

µA

7.5 Timing Requirements

PARAMETER

TEST CONDITIONS

MIN

TYP MAX

UNIT

tOVLO

Overvoltage lock-out response time

VOVLO > VOV(R) to VOUT↓

µs

tLIM

Current limit response time

IOUT > 1.2 × ILIM and ITIMER expired to IOUT

settling to within 5% of ILIM

250

µs

tSC

Scalable fast-trip response time

(TPS259480x/2x only)

IOUT > 3 × ILIM to IOUT↓

900

tFT

Fixed fast-trip response time

IOUT > IFFT to IOUT↓

750

tRST

Auto-Retry interval after fault (TPS25948xA

only)

103

tSWOV

OVLO fast recovery response time

VOVLO < VOV(F) to VOUT↑

85.3

µs

tSWRCB

Reverse Current Blocking recovery time

(VIN – VOUT) > VFWDTH to VOUT↑

46.5

µs

tRCB

Reverse Current Blocking comparator

response time

(VOUT – VIN) > 1.3 × VREVTH to BFET OFF

1.1

µs

tSPLYGDA

Supply Good assertion de-glitch

14.7

µs

tSPLYGDD

Supply Good de-assertion de-glitch

14.3

µs

TPS25948

SLVSGT9A – FEBRUARY 2023 – REVISED SEPTEMBER 2023

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