©

1981

DATA SHEET

BIPOLAR ANALOG INTEGRATED CIRCUIT

Document No. S10527EJ3V0DS00 (3rd edition)

(Previous No. IC-1409)

Date Published August 1995 P

Printed in Japan

µPC1470

DESCRIPTION

The

µPC1470 is a monolithic integrated circuit intended as speed regulators for DC motors of record players, tape

and cassette recorders etc. The devices is packaged in a new developed 4-lead quase-TO-126 plastic case.

FEATURES

•

Excellent versatility in use.

•

High Output current.

•

Low Quiescent current.

•

Low Reference voltage.

•

Excellent parameters stability versus temperature.

•

Excellent characteristic at low supply voltage.

PACKAGE DIMENSIONS

in millimeters

MOTOR SPEED REGULATORS

BLOCK DIAGRAM

STARTING

CIRCUIT

CURRENT

MILLOR

COMPARATOR

Vref

VCC

RT

MOTOR

12

4

3

GND

ORDERING INFORMATION

PART NUMBER

µPC1470H-X

8.5 MAX.

3.2±0.1

φ

2.7±0.2

2.0

1.25 MAX.

1.1 MIN.

0.65±0.10

1.7 MAX.

0.55±0.10

0.20 M

123 4

Connection Diagram

1. VCC

2. RT

3. GND

4. MOTOR

14