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TPS22810

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SLVSDH0C – DECEMBER 2016 – REVISED JANUARY 2018

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Copyright © 2016–2018, Texas Instruments Incorporated

7.6 Switching Characteristics

Refer to the timing test circuit in Figure 16 (unless otherwise noted) for references to external components used for the test

condition in the switching characteristics table. Switching characteristics shown below are only valid for the power-up

sequence where VIN is already in steady state condition before the EN/UVLO pin is asserted high.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIN = 18 V, VEN/UVLO = 5 V, TA = 25 °C (unless otherwise noted)

tON

Turnon time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

520

µs

tOFF

Turnoff time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

3.3

tR

VOUT rise time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

700

tF

VOUT fall time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

2

tD

Delay time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

180

VIN = 12 V, VEN/UVLO = 5 V, TA = 25 °C (unless otherwise noted)

tON

Turnon time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

380

µs

tOFF

Turnoff time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

3.3

tR

VOUT rise time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

460

tF

VOUT fall time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

2

tD

ON delay time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

150

VIN = 3.3 V, VEN/UVLO = 5 V, TA = 25 °C (unless otherwise noted)

tON

Turnon time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

185

µs

tOFF

Turnoff time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

3.3

tR

VOUT rise time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

120

tF

VOUT fall time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

2

tD

ON delay time

RL = 10 Ω, CIN = 1 µF, CL = 0.1 µF, CT = 2200 pF

130