7.6 Switching Characteristics

Unless otherwise noted, the typical characteristics in the following table applies over the entire recommended power supply

voltage range of 1 V to 5.5 V at 25°C with a load of CL = 1 µF, RL = 10 Ω

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tON

Turn ON Time

VIN = 5.0 V

CT = Open

100

µs

CT ≥ 100 pF

4

µs/pF

VIN = 3.6 V

CT = Open

120

µs

CT ≥ 100 pF

3.8

µs/pF

VIN = 1.8 V

CT = Open

200

µs

CT ≥ 100 pF

3.6

µs/pF

VIN = 1.2 V

CT = Open

300

µs

CT ≥ 200 pF

3.4

µs/pF

VIN = 1.0 V

CT = Open

400

µs

CT ≥ 400 pF

3

µs/pF

tR

Output Rise Time

VIN = 5.0 V

CT = Open

55

µs

CT ≥ 100 pF

1.8

µs/pF

VIN = 3.6 V

CT = Open

65

µs

CT ≥ 100 pF

1.6

µs/pF

VIN = 1.8 V

CT = Open

100

µs

CT ≥ 100 pF

1.2

µs/pF

VIN = 1.2 V

CT = Open

150

µs

CT ≥ 200 pF

0.95

µs/pF

VIN = 1.0 V

CT = Open

200

µs

CT ≥ 400 pF

0.6

µs/pF

SRON

Turn ON Slew Rate(1)

VIN = 5.0 V

CT = Open

72

mV/µs

CT ≥ 100 pF

2300

(mV/µs)*pF

VIN = 3.6 V

CT = Open

44

mV/µs

CT ≥ 100 pF

1900

(mV/µs)*pF

VIN = 1.8 V

CT = Open

14

mV/µs

CT ≥ 100 pF

1100

(mV/µs)*pF

VIN = 1.2 V

CT = Open

6.2

mV/µs

CT ≥ 200 pF

1000

(mV/µs)*pF

VIN = 1.0 V

CT = Open

3.9

mV/µs

CT ≥ 400 pF

1100

(mV/µs)*pF

tOFF

Turn OFF Time

10

µs

tFALL

Output Fall Time(2)

RL = 10 Ω

CL = 1uF, RQOD = Short

22

µs

RL = Open

CL = 10uF, RQOD = Short

3.8

ms

CL = 10uF, RQOD = 100 Ω

5.9

ms

CL = 220uF, RQOD = Short

72

ms

(1)

SRON is the fastest Slew Rate during the turn on time (tON)

(2)

Output may not discharge completely if QOD is not connected to VOUT.

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TPS22917

SLVSDW8B – SEPTEMBER 2017 – REVISED DECEMBER 2021

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