Device

Operating

Temperature Range

Package

TDA1085C

SEMICONDUCTOR

TECHNICAL DATA

UNIVERSAL MOTOR

SPEED CONTROLLER

ORDERING INFORMATION

TDA1085CD

TDA1085C

TJ = – 10° to +120°C

SO–16

Plastic DIP

Order this document by TDA1085C/D

PLASTIC PACKAGE

CASE 648

D SUFFIX

PLASTIC PACKAGE

CASE 751B

(SO–16)

16

1

16

1

1

MOTOROLA ANALOG IC DEVICE DATA

Universal Motor

Speed Controller

The TDA1085C is a phase angle triac controller having all the necessary

functions for universal motor speed control in washing machines. It operates

in closed loop configuration and provides two ramp possibilities.

Figure 1. Representative Block Diagram and Pin Connections

Reset

Control

Amp.

=

–VCC

Current

Limiter

0.7 V

+

–

Ramp

Generator

Speed

Detector

Shunt Regulator

Ballast Resistor

+ VCC

Monitoring

Voltage

Reg

Trigger Pulse

Gen.

9

10

8

12

11

4

5

6

3

7

16

14

15

2

1

13

© Motorola, Inc. 1996

Rev 5