L292(1993) Ver la hoja de datos (PDF) - STMicroelectronics

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L292
(Rev.:1993)

SWITCH-MODE DRIVER FOR DC MOTORS

STMicroelectronics 

L292

SWITCH-MODE DRIVER FOR DC MOTORS

DRIVING CAPABILITY : 2 A, 36 V, 30 KHz

2 LOGIC CHIP ENABLE

EXTERNAL LOOP GAIN ADJUSTEMENT

SINGLE POWER SUPPLY (18 TO 36 V)

INPUT SIGNAL SYMMETRIC TO GROUND

THERMAL PROTECTION

DESCRIPTION

The L292 is a monolithic LSI circuit in 15-lead

Multiwatt ® package. It is intended for use, together

with L290 and L291, as a complete 3-chip motor

positioning system for applications such as car-

riage/daisy-wheel position control in type-writes.

The L290/1/2 system can be directly controlled by

a microprocessor.

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Vs

Vi

Vinhibit

Io

Ptot

Tstg

Power Supply

Input Voltage

Inhibit Voltage

Output Current

Total Power Dissipation (Tcase = 75 °C)

Storage and Junction Temperature

Multiwatt 15

ORDER CODE : L292

Value

Unit

36

V

- 15 to + Vs

V

0 to Vs

V

2.5

A

25

W

- 40 to + 150

°C

TRUTH TABLE

Vinhibit

Pin 12

Pin 13

L

L

L

H

H

L

H

H

March 1993

Output Stage

Condition

Disabled

Normal Operation

Disabled

Disabled

CONNECTION DIAGRAM (top view)

1/12

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