Texas Instruments L293DWPTR, L293DNE, L293DN, L293DDWPTR, L293DDWP Datasheet

...
0 (0)

L293D QUADRUPLE HALF-H DRIVER

SLRS008A ± SEPTEMBER 1986 ± REVISED MAY 1990

600-mA Output Current Capability Per Driver

Pulsed Current 1.2-A Per Driver

Output Clamp Diodes for Inductive Transient Suppression

Wide Supply Voltage Range 4.5 V to 36 V

Separate Input-Logic Supply

Thermal Shutdown

Internal ESD Protection

High-Noise-Immunity Inputs

Functional Replacement for SGS L293D

description

The L293D is a quadruple high-current half-H driver designed to provide bidirectional drive currents of up to 600-mA at voltages from 4.5 V to 36 V. It is designed to drive inductive loads such as relays, solenoids, dc and bipolar stepping motors, as well as other high-current/high-voltage loads in positive-supply applications.

NE PACKAGE

 

(TOP VIEW)

 

1, 2EN

1

16

VCC1

1A

2

15

4A

1Y

3

14

4Y

HEAT SINK AND

4

13

HEAT SINK AND

GROUND

5

12

GROUND

2Y

6

11

3Y

2A

7

10

3A

VCC2

8

9

3, 4EN

logic symbol²

 

 

 

2

 

 

3

1A

 

 

1

EN

 

1Y

 

 

1, 2EN

EN

 

6

7

 

 

 

2Y

2A

 

 

 

10

 

 

11

3A

 

 

9

EN

 

3Y

 

 

3, 4EN

EN

 

14

15

 

 

 

4Y

4A

 

 

 

²This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.

All inputs are TTL-compatible. Each output is a complete totem-pole drive circuit with a Darlington transistor sink and a pseudo-Darlington source. Drivers are enabled in pairs with drivers 1 and 2 enabled by 1,2EN and drivers 3 and 4 enabled by 3,4EN. When an enable input is high, the associated drivers are enabled, and their outputs are active and in phase with their inputs. External high-speed output clamp diodes should be used for inductive transient suppression. When the enable input is low, those drivers are disabled, and their outputs are off and in a high-impedance state. With the proper data inputs, each pair of drivers form a full-H (or bridge) reversible drive suitable for solenoid or motor applications.

A VCC1 terminal, separate from VCC2, is provided for the logic inputs to minimize device power dissipation.

The L293D is designed for operation from 0°C to 70°C.

logic diagram

1A

2

3

 

1Y

1, 2EN

1

 

 

 

2A

7

6

 

2Y

3A

10

11

 

3Y

3, 4EN

9

 

 

 

4A

15

14

 

4Y

 

FUNCTION TABLE

 

(each driver)

INPUTS³

OUTPUT

A

EN

Y

H

H

H

L

H

L

X

L

Z

H = high-level, L = low level,

X = irrelevant, Z = high-impedance (off)

³In the thermal shutdown mode, the output is in the high-impedance state regardless of the input levels.

PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.

Copyright 1990, Texas Instruments Incorporated

POST OFFICE BOX 655303 DALLAS, TEXAS 75265

3±1

Texas Instruments L293DWPTR, L293DNE, L293DN, L293DDWPTR, L293DDWP Datasheet

L293D

QUADRUPLE HALF-H DRIVER

SLRS008A ± SEPTEMBER 1986 ± REVISED MAY 1990

schematics of inputs and outputs

EQUIVALENT OF EACH INPUT

TYPICAL OF ALL OUTPUTS

VCC2

VCC1

Current

Source

Input

Output

 

GND

GND

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

Logic supply voltage range, VCC1 (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . 36

V

Output supply voltage range, VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . 36

V

Input voltage range, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . 7

V

Output voltage range, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±3 V to VCC2 + 3 V

Peak output current (nonrepetitive, t 100 s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . ± 1.2

A

Continuous output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . ± 600 mA

Continuous total dissipation at (or below) 25°C free-air temperature (see Notes 2 and 3)

. . . . . . . 2075 mW

Continuous total dissipation at 80°C case temperature (see Note 3) . . . . . . . . . . . . . . . . . .

. . . . . . . 5000 mW

Operating case or virtual junction temperature range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. ±40°C to 150°C

Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. ±65°C to 150°C

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . 260°C

NOTES: 1. All voltage values are with respect to the network ground terminal.

2.For operation above 25°C free-air temperature, derate linearly at the rate of 16.6 mW/°C.

3.For operation above 25°C case temperature, derate linearly at the rate of 71.4 mW/°C. Due to variations in individual device electrical characteristics and thermal resistance, the built-in thermal overload protection may be activated at power levels slightly above or below the rated dissipation.

recommended operating conditions

 

 

 

MIN

MAX

UNIT

 

 

 

 

 

 

Logic supply voltage, VCC1

 

 

4.5

7

V

Output supply voltage, VCC2

 

 

VCC1

36

V

High-level input voltage, VIH

VCC1 7 V

2.3

VCC1

V

VCC1

7 V

2.3

7

 

 

Low-level input voltage, VIL

 

 

± 0.3²

1.5

V

Operating free-air temperature, TA

 

 

0

70

°C

²The algebraic convention, in which the least positive (most negative) value is designated minimum, is used in this data sheet for logic voltage levels.

3±2

POST OFFICE BOX 655303 DALLAS, TEXAS 75265

Loading...
+ 3 hidden pages