5

3

1

0

2

−50

0

50

4

100

TA − Ambient Temperature − °C

With Infinite Heat Sink

Free Air

Heat Sink With θJA = 25°C/W

150

L293, L293D

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SLRS008D – SEPTEMBER 1986 – REVISED JANUARY 2016

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

L293: IOH = −1 A

VOH

High-level output voltage

VCC2 – 1.8

VCC2 – 1.4

V

L293D: IOH = − 0.6 A

L293: IOL = 1 A

VOL

Low-level output voltage

1.2

1.8

V

L293D: IOL = 0.6 A

VOKH

High-level output clamp voltage

L293D: IOK = –0.6 A

VCC2 + 1.3

V

VOKL

Low-level output clamp voltage

L293D: IOK = 0.6 A

1.3

V

A

0.2

100

IIH

High-level input current

VI = 7 V

µA

EN

0.2

10

A

–3

–10

IIL

Low-level input current

VI = 0

µA

EN

–2

–100

All outputs at high level

13

22

All outputs at low level

35

60

ICC1

Logic supply current

IO = 0

mA

All outputs at high

8

24

impedance

All outputs at high level

14

24

All outputs at low level

2

6

ICC2

Output supply current

IO = 0

mA

All outputs at high

2

4

impedance

6.6 Switching Characteristics

over operating free-air temperature range (unless otherwise noted) VCC1 = 5 V, VCC2 = 24 V, TA = 25°C

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

L293NE, L293DNE

800

Propagation delay time, low-to-

tPLH

ns

high-level output from A input

L293DWP, L293N L293DN

750

L293NE, L293DNE

400

Propagation delay time, high-to-

tPHL

ns

low-level output from A input

L293DWP, L293N L293DN

200

CL = 30 pF,

See Figure 2

L293NE, L293DNE

300

Transition time, low-to-high-level

tTLH

ns

output

L293DWP, L293N L293DN

100

L293NE, L293DNE

300

Transition time, high-to-low-level

tTHL

ns

output

L293DWP, L293N L293DN

350

6.7 Typical Characteristics

Figure 1. Maximum Power Dissipation vs Ambient Temperature

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